BCBS Alpha Prefix List from LAA to LZZ
| BCBS Alpha Prefix List | Blue Cross Blue Shield Companies | BCBS Phone Numbers |
|---|---|---|
| LAA | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LAB | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LAC | Anthem | |
| LAD | Unassigned Prefix | |
| LAE | Blue Cross Blue Shield of Georgia | 855-295-5840 800-676-2583 - Blue Card Eligibility 800-282-2473 - Facility Claims 800-535-8291 -Guest Membership or HMO Away from Home Care |
| LAF | Anthem Blue Cross Blue Shield of Virginia | 800-533-1120 855-856-9286 - Anthem Affordable Care Act 800-901-0020 - Anthem Medicare or Medicaid dual eligible program 888-290-9160 - Anthem Medicare Advantage 800-676-2583 - Blue Card |
| LAG | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LAH | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LAJ | Blue Cross Blue Shield of New Mexico | 888-349-3706 |
| LAK | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LAL | Unassigned Prefix | |
| LAM | Unassigned Prefix | |
| LAN | Anthem | |
| LAO | Unassigned Prefix | |
| LAP | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LAQ | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LAR | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LAS | Blue Cross Blue Shield of Texas | 800-451-0287 877-299-2377 - Blue Essentials 877-774-8591 - Blue Cross Medicare Advantage 855-462-1781 - Care Management Programs |
| LAT | Unassigned Prefix | |
| LAU | Unassigned Prefix | |
| LAV | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LAW | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LAX | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LAY | Unassigned Prefix | |
| LAZ | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LBA | Capital Blue Cross | 866-688-2242 |
| LBB | Anthem Central Region (OH, IN, KY) | |
| LBC | Capital Blue Cross | 866-688-2242 |
| LBD | Anthem Central Region (OH, IN, KY) | |
| LBE | Blue Cross Blue Shield of Tennessee | 800-924-7141 800-468-9736 - Blue Care 800-276-1978 - TennCare Select |
| LBF | Blue Cross Blue Shield of Tennessee | 800-924-7141 800-468-9736 - Blue Care 800-276-1978 - TennCare Select |
| LBG | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LBH | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LBI | Anthem Central Region (OH, IN, KY) | |
| LBJ | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LBK | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LBL | Blue Cross Blue Shield of Massachusetts | 800-882-2060 - Provider 800-451-8123 - Facility 800-882-1178 - Dental Providers 800-451-8124 - Ancillary Providers |
| LBM | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LBN | Anthem | |
| LBO | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LBP | Blue Cross Blue Shield of Oklahoma | 800-496-5774 |
| LBQ | Unassigned Prefix | |
| LBR | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LBS | Blue Cross Blue Shield of Massachusetts | 800-882-2060 - Provider 800-451-8123 - Facility 800-882-1178 - Dental Providers 800-451-8124 - Ancillary Providers |
| LBT | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LBU | Anthem Blue Cross Blue Shield of Virginia | 800-533-1120 855-856-9286 - Anthem Affordable Care Act 800-901-0020 - Anthem Medicare or Medicaid dual eligible program 888-290-9160 - Anthem Medicare Advantage 800-676-2583 - Blue Card |
| LBV | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LBW | Unassigned Prefix | |
| LBX | Unassigned Prefix | |
| LBY | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LBZ | Anthem | |
| LCA | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LCB | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LCC | Blue Cross Blue Shield of Georgia | 855-295-5840 800-676-2583 - Blue Card Eligibility 800-282-2473 - Facility Claims 800-535-8291 -Guest Membership or HMO Away from Home Care |
| LCD | Anthem | |
| LCE | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LCF | Unassigned Prefix | |
| LCG | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LCH | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LCI | Regence Blue Shield of Washington | 866-227-0913 |
| LCJ | Blue Cross Blue Shield of Florida | 800-727-2227 |
| LCK | Blue Cross Blue Shield of Florida | 800-727-2227 |
| LCL | Anthem | |
| LCM | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LCN | Blue Cross Blue Shield of Tennessee | 800-924-7141 800-468-9736 - Blue Care 800-276-1978 - TennCare Select |
| LCO | Blue Cross Blue Shield of Alabama | 800-760-6852 |
| LCP | Blue Cross Blue Shield of Nebraska | 800-635-0579 Option 2 |
| LCQ | Unassigned Prefix | |
| LCR | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LCS | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LCT | Unassigned Prefix | |
| LCU | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LCV | Blue Cross Blue Shield of Florida | 800-727-2227 |
| LCW | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LCX | Blue Cross Blue Shield of Kansas | 816-395-3929 816-395-2176 - Prior Authorization 800-320-9550 - Blue Card Claims 800-676-2583 - Eligibility |
| LCY | Blue Cross Blue Shield of Florida | 800-727-2227 |
| LCZ | Anthem Central Region (OH, IN, KY) | |
| LDA | Regence Blue Cross Blue Shield of Utah | 866-227-0913 |
| LDB | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LDC | Unassigned Prefix | |
| LDD | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LDE | Blue Cross Blue Shield of Texas | 800-451-0287 877-299-2377 - Blue Essentials 877-774-8591 - Blue Cross Medicare Advantage 855-462-1781 - Care Management Programs |
| LDF | Unassigned Prefix | |
| LDH | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LDI | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LDJ | Unassigned Prefix | |
| LDK | Unassigned Prefix | |
| LDL | Anthem Central Region (OH, IN, KY) | |
| LDM | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LDN | Unassigned Prefix | |
| LDO | Blue Cross Blue Shield of Georgia | 855-295-5840 800-676-2583 - Blue Card Eligibility 800-282-2473 - Facility Claims 800-535-8291 -Guest Membership or HMO Away from Home Care |
| LDP | Unassigned Prefix | |
| LDQ | Anthem Central Region (OH, IN, KY) | |
| LDR | Anthem | |
| LDS | Unassigned Prefix | |
| LDT | Unassigned Prefix | |
| LDU | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LDV | Unassigned Prefix | |
| LDW | Unassigned Prefix | |
| LDX | Unassigned Prefix | |
| LDY | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LDZ | Anthem Central Region (OH, IN, KY) | |
| LEA | Anthem Central Region (OH, IN, KY) | |
| LEB | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LED | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LEE | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LEF | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LEG | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LEH | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LEJ | Blue Shield of Northeastern New York | 800-444-4552 800-429-9886 - Blue Card |
| LEK | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LEL | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LEM | Unassigned Prefix | |
| LEO | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LEP | Unassigned Prefix | |
| LEQ | Unassigned Prefix | |
| LER | Blue Cross Blue Shield of Massachusetts | 800-882-2060 - Provider 800-451-8123 - Facility 800-882-1178 - Dental Providers 800-451-8124 - Ancillary Providers |
| LES | Horizon Blue Cross Blue Shield of New Jersey | 800-355-2583 |
| LET | Blue Cross Blue Shield of Western New York | 800-950-0052 800-444-2012 - Blue Card |
| LEU | Unassigned Prefix | |
| LEV | Blue Cross Blue Shield of Louisiana | 800-495-2583 800-392-4076 - IVR 800-272-3029 - Blue Card |
| LEW | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LEX | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LEY | Unassigned Prefix | |
| LEZ | Unassigned Prefix | |
| LFA | Blue Cross Blue Shield of Georgia | 855-295-5840 800-676-2583 - Blue Card Eligibility 800-282-2473 - Facility Claims 800-535-8291 -Guest Membership or HMO Away from Home Care |
| LFB | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LFC | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LFE | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LFF | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LFG | Anthem | |
| LFH | Blue Cross Blue Shield of Florida | 800-727-2227 |
| LFI | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LFJ | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LFK | Blue Cross Blue Shield of Texas | 800-451-0287 877-299-2377 - Blue Essentials 877-774-8591 - Blue Cross Medicare Advantage 855-462-1781 - Care Management Programs |
| LFL | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LFM | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LFN | Blue Cross of Idaho | 866-482-2250 |
| LFO | Unassigned Prefix | |
| LFP | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LFR | Blue Cross Blue Shield of North Carolina | 800-446-8053 |
| LFS | Independence Blue Cross | 800-275-2583 - Key Stone health Plan/Personal choice PPO 215-241-2365 - Key Stone 65 215-561-4877 - Personal Choice 65 888-926-1212 - Medigap |
| LFT | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LFU | Anthem Central Region (OH, IN, KY) | |
| LFV | Unassigned Prefix | |
| LFW | Anthem | |
| LFX | Blue Cross Blue Shield of Kansas | 816-395-3929 816-395-2176 - Prior Authorization 800-320-9550 - Blue Card Claims 800-676-2583 - Eligibility |
| LFY | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LFZ | Unassigned Prefix | |
| LGA | Anthem | |
| LGB | Blue Cross Blue Shield of Alabama | 800-760-6852 |
| LGC | Anthem Central Region (OH, IN, KY) | |
| LGD | Unassigned Prefix | |
| LGE | Anthem Central Region (OH, IN, KY) | |
| LGF | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LGG | Unassigned Prefix | |
| LGH | Anthem Central Region (OH, IN, KY) | |
| LGJ | Anthem | |
| LGK | Unassigned Prefix | |
| LGL | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LGM | Blue Cross Blue Shield of Arkansas | 800-827-4814 501-378-2307 800-451-7302 - Pre Certification |
| LGN | Unassigned Prefix | |
| LGO | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LGP | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LGQ | Anthem Blue Cross Blue Shield of Colorado | 877-833-5742 - HMO, Anthem BCBS PPO/Indemnity Plans 800-827-6422 - HMO Guest mebmership or Away from Home Care 866-438-9969 - Medicare Supplement Plans Anthem Associates and Retirees 877-833-5742 800-433-5447 800-234-0111 Anthem Dental 800-231-2583 800-627-0004 888-209-7852 Anthem Vision 800-231-2583 866-723-0515 800-433-5447 - National Par Accounts 888-817-3717 - Blue Card 800-676-2583 - Eligibility |
| LGR | Unassigned Prefix | |
| LGS | Blue Cross Blue Shield of Alabama | 800-760-6852 |
| LGT | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LGV | Unassigned Prefix | |
| LGX | Unassigned Prefix | |
| LGY | Unassigned Prefix | |
| LGZ | Unassigned Prefix | |
| LHA | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LHB | Blue Cross Blue Shield of Georgia | 855-295-5840 800-676-2583 - Blue Card Eligibility 800-282-2473 - Facility Claims 800-535-8291 -Guest Membership or HMO Away from Home Care |
| LHC | Unassigned Prefix | |
| LHD | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LHE | Unassigned Prefix | |
| LHF | Blue Cross Blue Shield of Georgia | 855-295-5840 800-676-2583 - Blue Card Eligibility 800-282-2473 - Facility Claims 800-535-8291 -Guest Membership or HMO Away from Home Care |
| LHG | Horizon Blue Cross Blue Shield of New Jersey | 800-355-2583 |
| LHH | Unassigned Prefix | |
| LHI | Unassigned Prefix | |
| LHJ | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LHK | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LHL | Blue Cross Blue Shield of Massachusetts | 800-882-2060 - Provider 800-451-8123 - Facility 800-882-1178 - Dental Providers 800-451-8124 - Ancillary Providers |
| LHM | Unassigned Prefix | |
| LHN | Unassigned Prefix | |
| LHO | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LHP | Blue Cross Blue Shield of Rhose Island | 800-230-9050 800-676-2583 - Out of State 800-637-3718 - Facility 800-831-2400 - Dental |
| LHQ | Carefirst Administrators | 866-945-9839 |
| LHR | Anthem Central Region (OH, IN, KY) | |
| LHS | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LHT | Anthem | |
| LHU | Regence Blue Cross Blue Shield of Oregon | 866-227-0913 |
| LHV | Unassigned Prefix | |
| LHW | Anthem Central Region (OH, IN, KY) | |
| LHX | Blue Cross Blue Shield of Texas | 800-451-0287 877-299-2377 - Blue Essentials 877-774-8591 - Blue Cross Medicare Advantage 855-462-1781 - Care Management Programs |
| LHY | Anthem Blue Cross Blue Shield of Virginia | 800-533-1120 855-856-9286 - Anthem Affordable Care Act 800-901-0020 - Anthem Medicare or Medicaid dual eligible program 888-290-9160 - Anthem Medicare Advantage 800-676-2583 - Blue Card |
| LHZ | Anthem | |
| LIA | Unassigned Prefix | |
| LIB | Anthem Blue Cross Blue Shield of Virginia | 800-533-1120 855-856-9286 - Anthem Affordable Care Act 800-901-0020 - Anthem Medicare or Medicaid dual eligible program 888-290-9160 - Anthem Medicare Advantage 800-676-2583 - Blue Card |
| LIC | Anthem Blue Cross Blue Shield of Virginia | 800-533-1120 855-856-9286 - Anthem Affordable Care Act 800-901-0020 - Anthem Medicare or Medicaid dual eligible program 888-290-9160 - Anthem Medicare Advantage 800-676-2583 - Blue Card |
| LID | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LIF | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LIG | Blue Cross of Idaho | 866-482-2250 |
| LIH | Unassigned Prefix | |
| LIJ | Unassigned Prefix | |
| LIK | Unassigned Prefix | |
| LIL | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LIN | Unassigned Prefix | |
| LIO | Unassigned Prefix | |
| LIP | Unassigned Prefix | |
| LIQ | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LIR | Anthem Central Region (OH, IN, KY) | |
| LIS | Carefirst Administrators | 866-945-9839 |
| LIT | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LIU | Blue Cross Blue Shield of Rhose Island | 800-230-9050 800-676-2583 - Out of State 800-637-3718 - Facility 800-831-2400 - Dental |
| LIV | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LIW | Regence Blue Cross Blue Shield of Washington | 866-227-0913 |
| LIX | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LIY | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LIZ | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LJA | Blue Cross Blue Shield of Georgia | 855-295-5840 800-676-2583 - Blue Card Eligibility 800-282-2473 - Facility Claims 800-535-8291 -Guest Membership or HMO Away from Home Care |
| LJB | Anthem | |
| LJC | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LJD | Blue Cross Blue Shield of Western New York | 800-950-0052 800-444-2012 - Blue Card |
| LJE | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LJF | Unassigned Prefix | |
| LJG | Excellus Blue Cross Blue Shield of New York | 800-920-8889 800-662-1220 - Blue Option Plus 800-724-1675 - Dental |
| LJH | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LJJ | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LJK | Blue Cross Blue Shield of Massachusetts | 800-882-2060 - Provider 800-451-8123 - Facility 800-882-1178 - Dental Providers 800-451-8124 - Ancillary Providers |
| LJL | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LJM | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LJN | Horizon Blue Cross Blue Shield of New Jersey | 800-355-2583 |
| LJP | Unassigned Prefix | |
| LJQ | Anthem | |
| LJR | Anthem Central Region (OH, IN, KY) | |
| LJS | Unassigned Prefix | |
| LJT | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LJU | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LJW | Horizon Blue Cross Blue Shield of New Jersey | 800-355-2583 |
| LJX | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LJY | Carefirst Administrators | 866-945-9839 |
| LJZ | Anthem Blue Cross Blue Shield of Virginia | 800-533-1120 855-856-9286 - Anthem Affordable Care Act 800-901-0020 - Anthem Medicare or Medicaid dual eligible program 888-290-9160 - Anthem Medicare Advantage 800-676-2583 - Blue Card |
| LKA | Blue Cross Blue Shield of Massachusetts | 800-882-2060 - Provider 800-451-8123 - Facility 800-882-1178 - Dental Providers 800-451-8124 - Ancillary Providers |
| LKB | Unassigned Prefix | |
| LKC | Blue Cross Blue Shield of Western New York | 800-950-0052 800-444-2012 - Blue Card |
| LKD | Unassigned Prefix | |
| LKE | Unassigned Prefix | |
| LKF | Horizon Blue Cross Blue Shield of New Jersey | 800-355-2583 |
| LKG | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LKH | Unassigned Prefix | |
| LKI | Unassigned Prefix | |
| LKJ | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LKK | Unassigned Prefix | |
| LKL | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LKN | Unassigned Prefix | |
| LKP | Blue Cross Blue Shield of Florida | 800-727-2227 |
| LKQ | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LKR | Blue Cross Blue Shield of Massachusetts | 800-882-2060 - Provider 800-451-8123 - Facility 800-882-1178 - Dental Providers 800-451-8124 - Ancillary Providers |
| LKS | Unassigned Prefix | |
| LKT | Unassigned Prefix | |
| LKU | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LKV | Unassigned Prefix | |
| LKX | Empire Blue Cross Blue Shield of New York | 800-552-6630 800-713-4173 - out of area Members 800-343-7283 - Traditional Indemnity |
| LKY | Anthem Blue Cross Blue Shield of Virginia | 800-533-1120 855-856-9286 - Anthem Affordable Care Act 800-901-0020 - Anthem Medicare or Medicaid dual eligible program 888-290-9160 - Anthem Medicare Advantage 800-676-2583 - Blue Card |
| LKZ | Unassigned Prefix | |
| LLA | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LLB | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LLC | Blue Cross Blue Shield of Louisiana | 800-495-2583 800-392-4076 - IVR 800-272-3029 - Blue Card |
| LLD | Unassigned Prefix | |
| LLE | Unassigned Prefix | |
| LLF | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LLG | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LLH | Independence Blue Cross | 800-275-2583 - Key Stone health Plan/Personal choice PPO 215-241-2365 - Key Stone 65 215-561-4877 - Personal Choice 65 888-926-1212 - Medigap |
| LLI | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LLJ | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LLK | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LLL | Blue Cross Blue Shield of Texas | 800-451-0287 877-299-2377 - Blue Essentials 877-774-8591 - Blue Cross Medicare Advantage 855-462-1781 - Care Management Programs |
| LLM | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LLN | Anthem Central Region (OH, IN, KY) | |
| LLO | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LLP | Unassigned Prefix | |
| LLQ | Unassigned Prefix | |
| LLR | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LLS | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LLT | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LLU | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LLV | Unassigned Prefix | |
| LLW | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LLX | Anthem Central Region (OH, IN, KY) | |
| LLY | Anthem Central Region (OH, IN, KY) | |
| LLZ | Anthem Blue Cross Blue Shield of Virginia | 800-533-1120 855-856-9286 - Anthem Affordable Care Act 800-901-0020 - Anthem Medicare or Medicaid dual eligible program 888-290-9160 - Anthem Medicare Advantage 800-676-2583 - Blue Card |
| LMA | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LMB | Anthem | |
| LMD | Empire Blue Cross Blue Shield of New York | 800-552-6630 800-713-4173 - out of area Members 800-343-7283 - Traditional Indemnity |
| LME | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LMF | Blue Cross Blue Shield of Nebraska | 800-635-0579 Option 2 |
| LMG | Regence Blue Cross Blue Shield of Oregon | 866-227-0913 |
| LMH | Blue Cross Blue Shield of Massachusetts | 800-882-2060 - Provider 800-451-8123 - Facility 800-882-1178 - Dental Providers 800-451-8124 - Ancillary Providers |
| LMI | Regence Blue Cross Blue Shield of Utah | 866-227-0913 |
| LMJ | Unassigned Prefix | |
| LMK | Anthem Central Region (OH, IN, KY) | |
| LML | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LMM | Blue Cross Blue Shield of Vermont | 888-222-9206 800-395-3389 - Blue Card |
| LMN | Unassigned Prefix | |
| LMO | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LMP | Carefirst Administrators | 866-945-9839 |
| LMQ | Anthem | |
| LMR | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LMS | Independence Blue Cross | 800-275-2583 - Key Stone health Plan/Personal choice PPO 215-241-2365 - Key Stone 65 215-561-4877 - Personal Choice 65 888-926-1212 - Medigap |
| LMT | Regence Blue Cross Blue Shield of Oregon | 866-227-0913 |
| LMU | Regence Blue Cross Blue Shield of Utah | 866-227-0913 |
| LMV | Anthem Central Region (OH, IN, KY) | |
| LMW | Unassigned Prefix | |
| LMX | Unassigned Prefix | |
| LMY | Anthem Central Region (OH, IN, KY) | |
| LMZ | Anthem Central Region (OH, IN, KY) | |
| LNA | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LNB | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LNC | Anthem Central Region (OH, IN, KY) | |
| LND | Anthem | |
| LNE | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LNF | Blue Cross Blue Shield of Georgia | 855-295-5840 800-676-2583 - Blue Card Eligibility 800-282-2473 - Facility Claims 800-535-8291 -Guest Membership or HMO Away from Home Care |
| LNG | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LNH | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LNI | Unassigned Prefix | |
| LNJ | Anthem | |
| LNK | Blue Cross Blue Shield of Arkansas Blue Advantage | 800-827-4814 501-378-2307 800-451-7302 - Pre Certification |
| LNL | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LNM | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LNN | Anthem Blue Cross Blue Shield of Virginia | 800-533-1120 855-856-9286 - Anthem Affordable Care Act 800-901-0020 - Anthem Medicare or Medicaid dual eligible program 888-290-9160 - Anthem Medicare Advantage 800-676-2583 - Blue Card |
| LNP | Unassigned Prefix | |
| LNQ | Blue Cross Blue Shield of Texas | 800-451-0287 877-299-2377 - Blue Essentials 877-774-8591 - Blue Cross Medicare Advantage 855-462-1781 - Care Management Programs |
| LNR | Anthem Central Region (OH, IN, KY) | |
| LNS | Blue Cross Blue Shield of Alabama | 800-760-6852 |
| LNT | Blue Cross Blue Shield of Arizona | Tucson 800-752-0193 520-745-1883 Phoenix 602-864-4400 800-232-2345 Flagstaff 800-423-6484 928-526-0232 |
| LNU | Anthem Central Region (OH, IN, KY) | |
| LNV | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LNW | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LNX | Blue Cross Blue Shield of Texas | 800-451-0287 877-299-2377 - Blue Essentials 877-774-8591 - Blue Cross Medicare Advantage 855-462-1781 - Care Management Programs |
| LNY | Unassigned Prefix | |
| LNZ | Unassigned Prefix | |
| LOC | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LOD | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LOE | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LOK | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LOL | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LOM | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LON | Anthem Central Region (OH, IN, KY) | |
| LOP | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LOQ | Blue Cross Blue Shield of Georgia | 855-295-5840 800-676-2583 - Blue Card Eligibility 800-282-2473 - Facility Claims 800-535-8291 -Guest Membership or HMO Away from Home Care |
| LOR | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LOS | Unassigned Prefix | |
| LOT | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LOU | Unassigned Prefix | |
| LOV | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LOX | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LOY | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LOZ | Unassigned Prefix | |
| LPA | Carefirst Administrators | 866-945-9839 |
| LPB | Blue Cross Blue Shield of Kansas | 816-395-3929 816-395-2176 - Prior Authorization 800-320-9550 - Blue Card Claims 800-676-2583 - Eligibility |
| LPC | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LPD | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LPF | Unassigned Prefix | |
| LPG | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LPH | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LPI | Blue Cross Blue Shield of Texas | 800-451-0287 877-299-2377 - Blue Essentials 877-774-8591 - Blue Cross Medicare Advantage 855-462-1781 - Care Management Programs |
| LPJ | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LPK | Unassigned Prefix | |
| LPL | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LPM | Unassigned Prefix | |
| LPN | Unassigned Prefix | |
| LPO | Blue Cross of Northeast Pennsylvania | 800-294-9568 Medicare Customer Service 800-290-3914 - Blue Rx PDP 800-345-7808 - Medigap 800-935-2583 - Security Blue HMO 800-550-8722 - Freedom Blue PPO 888-234-5397 - Community Blue Medicare HMO |
| LPP | Anthem | |
| LPQ | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LPR | Anthem | |
| LPS | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LPT | Regence Blue Cross Blue Shield of Oregon | 866-227-0913 |
| LPU | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LPV | Unassigned Prefix | |
| LPW | Blue Cross Blue Shield of Georgia | 855-295-5840 800-676-2583 - Blue Card Eligibility 800-282-2473 - Facility Claims 800-535-8291 -Guest Membership or HMO Away from Home Care |
| LPX | Blue Cross Blue Shield of Tennessee | 800-924-7141 800-468-9736 - Blue Care 800-276-1978 - TennCare Select |
| LPY | Unassigned Prefix | |
| LPZ | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LQA | Blue Cross Blue Shield of Alabama | 800-760-6852 |
| LQB | Blue Cross Blue Shield of Western New York | 800-950-0052 800-444-2012 - Blue Card |
| LQC | Unassigned Prefix | |
| LQE | Unassigned Prefix | |
| LQF | Unassigned Prefix | |
| LQG | Unassigned Prefix | |
| LQH | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LQJ | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LQK | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LQL | Unassigned Prefix | |
| LQM | Blue Cross Blue Shield of Rhose Island | 800-230-9050 800-676-2583 - Out of State 800-637-3718 - Facility 800-831-2400 - Dental |
| LQN | Unassigned Prefix | |
| LQP | Unassigned Prefix | |
| LQQ | Unassigned Prefix | |
| LQR | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LQS | Blue Cross Blue Shield of Massachusetts | 800-882-2060 - Provider 800-451-8123 - Facility 800-882-1178 - Dental Providers 800-451-8124 - Ancillary Providers |
| LQT | Unassigned Prefix | |
| LQU | Unassigned Prefix | |
| LQV | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LQW | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LQY | Anthem | |
| LQZ | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LRA | Blue Cross Blue Shield of Tennessee | 800-924-7141 800-468-9736 - Blue Care 800-276-1978 - TennCare Select |
| LRB | Unassigned Prefix | |
| LRC | Independence Blue Cross | 800-275-2583 - Key Stone health Plan/Personal choice PPO 215-241-2365 - Key Stone 65 215-561-4877 - Personal Choice 65 888-926-1212 - Medigap |
| LRD | Blue Cross Blue Shield of Tennessee | 800-924-7141 800-468-9736 - Blue Care 800-276-1978 - TennCare Select |
| LRE | Blue Cross Blue Shield of Tennessee | 800-924-7141 800-468-9736 - Blue Care 800-276-1978 - TennCare Select |
| LRF | Anthem Central Region (OH, IN, KY) | |
| LRH | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LRI | Unassigned Prefix | |
| LRJ | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LRK | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LRL | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LRM | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LRN | Unassigned Prefix | |
| LRP | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LRQ | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LRR | Unassigned Prefix | |
| LRS | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LRT | Unassigned Prefix | |
| LRU | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LRV | Unassigned Prefix | |
| LRX | Unassigned Prefix | |
| LRY | Unassigned Prefix | |
| LRZ | Anthem | |
| LSA | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LSB | Unassigned Prefix | |
| LSC | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LSD | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LSE | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LSF | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LSG | Unassigned Prefix | |
| LSH | Horizon Blue Cross Blue Shield of New Jersey | 800-355-2583 |
| LSI | Unassigned Prefix | |
| LSJ | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LSK | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LSL | Regence Blue Cross Blue Shield of Oregon | 866-227-0913 |
| LSM | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LSN | Unassigned Prefix | |
| LSP | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LSQ | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LSR | Blue Cross Blue Shield of Kansas | 816-395-3929 816-395-2176 - Prior Authorization 800-320-9550 - Blue Card Claims 800-676-2583 - Eligibility |
| LSS | Unassigned Prefix | |
| LSU | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LSV | Anthem | |
| LSW | Horizon Blue Cross Blue Shield of New Jersey | 800-355-2583 |
| LSX | Blue Cross Blue Shield of Texas | 800-451-0287 877-299-2377 - Blue Essentials 877-774-8591 - Blue Cross Medicare Advantage 855-462-1781 - Care Management Programs |
| LSY | Unassigned Prefix | |
| LSZ | Anthem | |
| LTA | Blue Cross Blue Shield of Tennessee | 800-924-7141 800-468-9736 - Blue Care 800-276-1978 - TennCare Select |
| LTB | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LTC | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LTD | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LTE | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LTF | Regence Blue Cross Blue Shield of Oregon | 866-227-0913 |
| LTG | Anthem Central Region (OH, IN, KY) | |
| LTH | Unassigned Prefix | |
| LTI | Blue Cross Blue Shield of Massachusetts | 800-882-2060 - Provider 800-451-8123 - Facility 800-882-1178 - Dental Providers 800-451-8124 - Ancillary Providers |
| LTJ | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LTK | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LTL | Anthem | |
| LTM | Unassigned Prefix | |
| LTN | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LTO | Blue Cross Blue Shield of Nebraska | 800-635-0579 Option 2 |
| LTP | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LTQ | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LTR | Unassigned Prefix | |
| LTS | Unassigned Prefix | |
| LTT | Blue Shield of California | 800-541-6652 800-622-0632 - Blue Card out of area 800-241-4896 - Blue Shield of California NASCO |
| LTU | Anthem Central Region (OH, IN, KY) | |
| LTV | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LTW | Unassigned Prefix | |
| LTX | Anthem Central Region (OH, IN, KY) | |
| LTY | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LTZ | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LUA | Anthem | |
| LUB | Capital Blue Cross | 866-688-2242 |
| LUC | Blue Cross Blue Shield of Florida | 800-727-2227 |
| LUD | Capital Blue Cross | 866-688-2242 |
| LUE | Unassigned Prefix | |
| LUF | Independence Blue Cross | 800-275-2583 - Key Stone health Plan/Personal choice PPO 215-241-2365 - Key Stone 65 215-561-4877 - Personal Choice 65 888-926-1212 - Medigap |
| LUI | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LUJ | Anthem Central Region (OH, IN, KY) | |
| LUK | Anthem Central Region (OH, IN, KY) | |
| LUL | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LUM | Anthem Central Region (OH, IN, KY) | |
| LUN | Unassigned Prefix | |
| LUO | Unassigned Prefix | |
| LUP | Capital Blue Cross | 866-688-2242 |
| LUQ | Unassigned Prefix | |
| LUR | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LUS | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LUT | Capital Blue Cross | 866-688-2242 |
| LUU | Blue Cross Blue Shield of Tennessee | 800-924-7141 800-468-9736 - Blue Care 800-276-1978 - TennCare Select |
| LUV | Unassigned Prefix | |
| LUW | Unassigned Prefix | |
| LUX | Anthem Central Region (OH, IN, KY) | |
| LUY | Blue Cross Blue Shield of New Mexico | 888-349-3706 |
| LUZ | Anthem Central Region (OH, IN, KY) | |
| LVA | Anthem Central Region (OH, IN, KY) | |
| LVC | Anthem | |
| LVD | Empire Blue Cross Blue Shield of New York | 800-552-6630 800-713-4173 - out of area Members 800-343-7283 - Traditional Indemnity |
| LVE | Blue Cross Blue Shield of North Carolina | 800-446-8053 |
| LVF | Anthem Blue Cross Blue Shield of Virginia | 800-533-1120 855-856-9286 - Anthem Affordable Care Act 800-901-0020 - Anthem Medicare or Medicaid dual eligible program 888-290-9160 - Anthem Medicare Advantage 800-676-2583 - Blue Card |
| LVG | Unassigned Prefix | |
| LVH | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LVI | Blue Cross Blue Shield of Western New York | 800-950-0052 800-444-2012 - Blue Card |
| LVJ | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LVK | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LVL | Unassigned Prefix | |
| LVM | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LVN | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LVP | Empire Blue Cross Blue Shield of New York | 800-552-6630 800-713-4173 - out of area Members 800-343-7283 - Traditional Indemnity |
| LVQ | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LVR | Regence Blue Cross Blue Shield of Utah | 866-227-0913 |
| LVS | Blue Cross Blue Shield of Arkansas Blue Advantage | 800-827-4814 501-378-2307 800-451-7302 - Pre Certification |
| LVU | Anthem Central Region (OH, IN, KY) | |
| LVV | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LVW | Blue Cross Blue Shield of Florida | 800-727-2227 |
| LVX | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LVY | Unassigned Prefix | |
| LWA | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LWB | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LWC | Blue Cross Blue Shield of Western New York | 800-950-0052 800-444-2012 - Blue Card |
| LWD | Blue Cross Blue Shield of South Carolina | 800-868-2510 |
| LWE | Blue Cross Blue Shield of Alabama | 800-760-6852 |
| LWF | Unassigned Prefix | |
| LWG | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LWH | Unassigned Prefix | |
| LWI | Blue Cross Blue Shield of Tennessee | 800-924-7141 800-468-9736 - Blue Care 800-276-1978 - TennCare Select |
| LWJ | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LWK | Empire Blue Cross Blue Shield of New York | 800-552-6630 800-713-4173 - out of area Members 800-343-7283 - Traditional Indemnity |
| LWL | Anthem | |
| LWM | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LWN | Unassigned Prefix | |
| LWO | Anthem | |
| LWP | Empire Blue Cross Blue Shield of New York | 800-552-6630 800-713-4173 - out of area Members 800-343-7283 - Traditional Indemnity |
| LWQ | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LWR | Horizon Blue Cross Blue Shield of New Jersey | 800-355-2583 |
| LWU | Unassigned Prefix | |
| LWV | Unassigned Prefix | |
| LWW | Excellus Blue Cross Blue Shield of New York | 800-920-8889 800-662-1220 - Blue Option Plus 800-724-1675 - Dental |
| LWY | Blue Cross Blue Shield of Tennessee | 800-924-7141 800-468-9736 - Blue Care 800-276-1978 - TennCare Select |
| LWZ | Blue Cross Blue Shield of Alabama | 800-760-6852 |
| LXA | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LXB | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LXC | Blue Cross Blue Shield of Western New York | 800-950-0052 800-444-2012 - Blue Card |
| LXD | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LXE | Anthem Central Region (OH, IN, KY) | |
| LXF | Blue Cross Blue Shield of Louisiana | 800-495-2583 800-392-4076 - IVR 800-272-3029 - Blue Card |
| LXG | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LXH | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LXI | Anthem | |
| LXJ | Anthem | |
| LXK | Blue Cross Blue Shield of Western New York | 800-950-0052 800-444-2012 - Blue Card |
| LXL | Anthem Central Region (OH, IN, KY) | |
| LXN | Blue Cross Blue Shield of Arkansas | 800-827-4814 501-378-2307 800-451-7302 - Pre Certification |
| LXP | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LXQ | Blue Cross Blue Shield of Western New York | 800-950-0052 800-444-2012 - Blue Card |
| LXR | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LXS | Blue Cross Blue Shield of Louisiana | 800-495-2583 800-392-4076 - IVR 800-272-3029 - Blue Card |
| LXT | Blue Cross Blue Shield of Western New York | 800-950-0052 800-444-2012 - Blue Card |
| LXU | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LXV | Unassigned Prefix | |
| LXW | Anthem Central Region (OH, IN, KY) | |
| LXX | Blue Cross Blue Shield of Minnesota | 800-262-0820 |
| LXY | Unassigned Prefix | |
| LXZ | Unassigned Prefix | |
| LYA | Carefirst Blue Cross Blue Shield of Maryland | 800-248-8410 |
| LYB | Blue Cross of Northeast Pennsylvania | 800-294-9568 Medicare Customer Service 800-290-3914 - Blue Rx PDP 800-345-7808 - Medigap 800-935-2583 - Security Blue HMO 800-550-8722 - Freedom Blue PPO 888-234-5397 - Community Blue Medicare HMO |
| LYC | Anthem Blue Cross of California | 800-677-6669 800-444-2726 - National Accounts 866-700-2168 - Workers Compensation medical provider network Senior Services Medicare Advantage 888-230-7338 - Blue Cross Senior HMO 877-811-3107 - Anthem Medicare PPO 800-333-3883 - Senior Services Medicare supplement 800-645-9785 - Meridian |
| LYD | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LYE | Unassigned Prefix | |
| LYF | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LYG | Anthem Blue Cross Blue Shield of Virginia | 800-533-1120 855-856-9286 - Anthem Affordable Care Act 800-901-0020 - Anthem Medicare or Medicaid dual eligible program 888-290-9160 - Anthem Medicare Advantage 800-676-2583 - Blue Card |
| LYH | Unassigned Prefix | |
| LYJ | Anthem Central Region (OH, IN, KY) | |
| LYK | Highmark Blue Cross Blue Shield | 800-572-2872 - Delaware 800-294-9568 - Pennsylvania |
| LYL | Blue Cross Blue Shield of Texas | 800-451-0287 877-299-2377 - Blue Essentials 877-774-8591 - Blue Cross Medicare Advantage 855-462-1781 - Care Management Programs |
| LYM | Unassigned Prefix | |
| LYN | Premera Blue Cross | 800-722-4714 888-261-9562 - Blue Card 800-276-2583 - Eligibility and Benefits |
| LYO | Unassigned Prefix | |
| LYP | Blue Cross Blue Shield of Louisiana | 800-495-2583 800-392-4076 - IVR 800-272-3029 - Blue Card |
| LYQ | Unassigned Prefix | |
| LYR | Blue Cross Blue Shield of Massachusetts | 800-882-2060 - Provider 800-451-8123 - Facility 800-882-1178 - Dental Providers 800-451-8124 - Ancillary Providers |
| LYS | Unassigned Prefix | |
| LYT | Anthem Blue Cross Blue Shield of Virginia | 800-533-1120 855-856-9286 - Anthem Affordable Care Act 800-901-0020 - Anthem Medicare or Medicaid dual eligible program 888-290-9160 - Anthem Medicare Advantage 800-676-2583 - Blue Card |
| LYU | Unassigned Prefix | |
| LYV | Anthem Blue Cross Blue Shield of Virginia | 800-533-1120 855-856-9286 - Anthem Affordable Care Act 800-901-0020 - Anthem Medicare or Medicaid dual eligible program 888-290-9160 - Anthem Medicare Advantage 800-676-2583 - Blue Card |
| LYW | Independence Blue Cross | 800-275-2583 - Key Stone health Plan/Personal choice PPO 215-241-2365 - Key Stone 65 215-561-4877 - Personal Choice 65 888-926-1212 - Medigap |
| LYX | Blue Cross Blue Shield of Kansas | 816-395-3929 816-395-2176 - Prior Authorization 800-320-9550 - Blue Card Claims 800-676-2583 - Eligibility |
| LYY | Unassigned Prefix | |
| LYZ | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LZA | Unassigned Prefix | |
| LZC | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LZD | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LZE | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LZF | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LZG | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LZH | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LZJ | Anthem Central Region (OH, IN, KY) | |
| LZK | Anthem Central Region (OH, IN, KY) | |
| LZL | Blue Cross Blue Shield of Massachusetts | 800-882-2060 - Provider 800-451-8123 - Facility 800-882-1178 - Dental Providers 800-451-8124 - Ancillary Providers |
| LZM | Unassigned Prefix | |
| LZN | Anthem Central Region (OH, IN, KY) | |
| LZP | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LZQ | Blue Cross Blue Shield of Western New York | 800-950-0052 800-444-2012 - Blue Card |
| LZR | Blue Cross Blue Shield of Nebraska | 800-635-0579 Option 2 |
| LZS | Wellmark Blue Cross Blue Shield | IOWA State 800-524-9242 800-362-2218 - Out of State Claims South Dakota State 800-774-3892 800-774-3892 - Out of State Claims |
| LZT | Blue Cross Blue Shield of Michigan | 800-344-8525 |
| LZU | Horizon Blue Cross Blue Shield of New Jersey | 800-355-2583 |
| LZV | Unassigned Prefix | |
| LZW | Blue Cross Blue Shield of Illinois | 800-972-8088 |
| LZX | Unassigned Prefix | |
| LZY | Unassigned Prefix | |
| LZZ | Blue Cross Blue Shield of Massachusetts | 800-882-2060 - Provider 800-451-8123 - Facility 800-882-1178 - Dental Providers 800-451-8124 - Ancillary Providers |