M2C | Blue Cross Blue Shield of Illinois |
M2D | Blue Cross Blue Shield of Illinois |
M2E | Blue Cross Blue Shield of Texas |
M2F | Blue Cross Blue Shield of Texas |
M2G | Blue Cross Blue Shield of Texas |
M2H | Regence Blue Cross Blue Shield of Oregon |
M2I | BCBS of Western New York |
M2J | Blue Cross Blue Shield of Illinois |
M2K | BCBS of Arizona |
M2L | Blue Cross Blue Shield of Massachusetts |
M2N | Anthem BCBS of Wisconsin |
M2P | Regence Blue Cross Blue Shield of Oregon |
M2Q | Anthem BCBS of Wisconsin |
M2R | Blue Cross Blue Shield of Texas |
M2S | Blue Cross Blue Shield of Illinois |
M2T | Regence Blue Cross Blue Shield of Oregon |
M2U | Anthem BCBS of Wisconsin |
M2V | BCBS if Arizona |
M2W | Blue Cross Blue Shield of Rhode Island |
M2X | Blue Cross Blue Shield of Illinois |
M2Y | Regence Blue Cross Blue Shield of Oregon |
M3A | BCBS of Kansas |
M3B | BCBS of Western New York |
M3C | Blue Cross Blue Shield of Rhode Island |
M3D | Regence Blue Cross Blue Shield of Oregon |
M3E | Blue Cross Blue Shield of Illinois |
M3F | Blue Cross Blue Shield of Texas |
M3G | Blue Cross Blue Shield of Rhode Island |
M3H | Blue Cross Blue Shield of Minnesota |
M3J | Empire Blue Cross Blue Shield |
M3K | Anthem BCBS of Wisconsin |
M3L | Blue Cross Blue Shield of Michigan |
M3M | Regence Blue Cross Blue Shield of Oregon |
M3P | BCBS of Arizona |
M3R | Blue Cross Blue Shield of Texas |
M3S | Blue Cross Blue Shield of Illinois |
M3T | Anthem BCBS of Georgia |
M3U | Anthem BCBS of Indiana |
M3V | BCBS of Arizona |
M3W | Regence Blue Cross Blue Shield of Oregon |
M3X | Anthem BCBS of Wisconsin |
M3Y | Anthem BCBS of Georgia |
M3Z | Anthem BCBS of Georgia |
M4A | Highmark BCBS of Pennsylvania |
M4B | Highmark BCBS of Pennsylvania |
M4C | Anthem BCBS of Kentucky |
M4D | Regence Blue Cross Blue Shield of Oregon |
M4F | Blue Cross Blue Shield of Texas |
M4G | Anthem BCBS of Virginia |
M4H | Anthem BCBS of Missouri |
M4L | Highmark BCBS of Pennsylvania |
M4M | Anthem BCBS of Missouri |
M4N | Anthem BCBS of Virginia |
M4P | Blue Cross Blue Shield of Texas |
M4Q | Blue Cross Blue Shield of Michigan |
M4R | Blue Shield of Northeastern New York |
M4S | Blue Cross Blue Shield of Illinois |
M4T | Regence Blue Cross Blue Shield of Oregon |
M4U | Blue Cross Blue Shield of Minnesota |
M4Y | Blue Cross of Idaho |
M5A | Blue Cross Blue Shield of Minnesota |
M5C | Anthem BCBS of Missouri |
M5D | Anthem BCBS of Missouri |
M5E | Anthem BCBS of Missouri |
M5F | Blue Cross Blue Shield of Texas |
M5K | Blue Cross Blue Shield of Illinois |
M5M | Blue Cross Blue Shield of Texas |
M5R | BCBS of Western New York |
M5X | Blue Cross Blue Shield of Illinois |
M6A | Blue Cross Blue Shield of Texas |
M6C | Empire Blue Cross Blue Shield |
M6F | Blue Cross Blue Shield of Texas |
M6S | Blue Cross Blue Shield of Illinois |
M6U | Anthem BCBS of Ohio |
M7A | Blue Cross of California |
M7B | Premera Blue Cross |
M7C | Empire Blue Cross Blue Shield |
M7D | Blue Cross Blue Shield of North Dakota |
M7E | Blue Cross of California |
M7F | Blue Cross Blue Shield of Texas |
M7M | Anthem BCBS of Colorado |
M7S | Blue Cross Blue Shield of Illinois |
M7V | Anthem BCBS of Missouri |
M7W | Anthem BCBS of Indiana |
M7X | Anthem BCBS of Kentucky |
M8A | Anthem BCBS of Colorado |
M8F | Blue Cross Blue Shield of Texas |
M8H | Empire Blue Cross Blue Shield |
M8S | Blue Cross Blue Shield of Illinois |
M8W | Anthem BCBS of Maine |
M8X | Anthem BCBS of New Hampshire |
M8Z | Unassigned Prefix |
M9A | Empire Blue Cross Blue Shield |
M9C | Empire Blue Cross Blue Shield |
M9F | Blue Cross Blue Shield of Texas |
M9N | Blue Cross of California |
M9S | Blue Cross Blue Shield of Illinois |
M9T | Blue Cross Blue Shield of Texas |
M9X | Unassigned Prefix |
MAA | Premera Blue Cross |
MAB | BCBS of Florida |
MAC | BCBS of Minnesota |
MAD | Premera Blue Cross |
MAE | Anthem BCBS of Ohio |
MAF | Carefirst BCBS of Maryland |
MAG | BCBS of New Mexico |
MAH | Anthem BCBS of Virginia |
MAI | Wellmark BCBS |
MAJ | Blue Shield of California |
MAK | Anthem BCBS of Kentucky |
MAL | Carefirst BCBS of Maryland |
MAM | Carefirst BCBS |
MAN | Carefirst BCBS of Maryland |
MAO | BCBS of South Carolina |
MAP | Anthem BCBS of Colorado |
MAQ | BCBS of Florida |
MAR | Anthem BCBS of Georgia |
MAS | Anthem BCBS of Georgia |
MAT | BCBS of Texas |
MAU | Wellmark BCBS |
MAV | Anthem BCBS of Ohio |
MAW | Carefirst BCBS of Maryland |
MAX | BCBS of Illinois |
MAY | BCBS of Nebraska |
MAZ | Wellmark BCBS |
MBA | Anthem BCBS of Ohio |
MBB | Anthem BCBS of Colorado |
MBC | BCBS of Tennessee |
MBD | Carefirst BCBS of Maryland |
MBE | BCBS of South Carolina |
MBF | Anthem Blue Cross of California |
MBG | BCBS of Alabama |
MBH | BCBS of Alabama |
MBI | BCBS of Michigan |
MBJ | Regence Blue Shield of Washington |
MBK | Empire BCBS of New York |
MBL | Anthem Blue Cross of California |
MBM | BCBS of Illinois |
MBN | BCBS of Michigan |
MBO | BCBS of Florida |
MBP | Anthem BCBS of Indiana |
MBQ | Wellmark BCBS |
MBR | Anthem Blue Cross of California |
MBS | Carefirst BCBS |
MBT | Anthem BCBS of Missouri |
MBU | BCBS of Massachusetts |
MBV | Carefirst BCBS of Maryland |
MBW | Anthem BCBS of Ohio |
MBX | Unassigned Prefix |
MBY | Unassigned Prefix |
MBZ | Carefirst BCBS of Maryland |
MCA | Blue Shield of California |
MCB | Unassigned Prefix |
MCC | BCBS of Texas |
MCD | BCBS of Illinois |
MCE | Premera Blue Cross |
MCF | Carefirst BCBS of Maryland |
MCG | Carefirst BCBS of Maryland |
MCH | BCBS of Florida |
MCI | Anthem Blue Cross of California |
MCJ | Highmark BCBS |
MCK | Wellmark BCBS |
MCL | Wellmark BCBS |
MCM | Premera Blue Cross |
MCN | BCBS of Kansas City |
MCO | Anthem BCBS of Virginia |
MCP | Unassigned Prefix |
MCQ | BCBS of Illinois |
MCR | Carefirst BCBS of Maryland |
MCS | Carefirst BCBS of Maryland |
MCT | Wellmark BCBS |
MCU | Anthem Blue Cross of California |
MCV | Wellmark BCBS |
MCW | Wellmark BCBS |
MCX | BCBS of Massachusetts |
MCY | Highmark BCBS |
MCZ | Anthem BCBS of Ohio |
MDA | BCBS of Michigan |
MDB | BCBS of Alabama |
MDC | BCBS of Minnesota |
MDD | BCBS of Georgia |
MDE | Anthem Blue Cross of California |
MDF | Independence Blue Cross |
MDG | BCBS of Michigan |
MDH | BCBS of Rhose Island |
MDI | Wellmark BCBS |
MDJ | Anthem BCBS of Indiana |
MDK | BCBS of Arizona |
MDL | BCBS of Illinois |
MDM | Carefirst BCBS of Maryland |
MDN | Anthem BCBS of Wisconsin |
MDO | Wellmark BCBS |
MDP | Blue Shield of California |
MDQ | BCBS of Minnesota |
MDR | Anthem BCBS of Wisconsin |
MDS | Carefirst BCBS of Maryland |
MDT | Carefirst Administrators |
MDU | Wellmark BCBS |
MDV | BCBS of Illinois |
MDW | Wellmark BCBS |
MDX | BCBS of Alabama |
MDY | BCBS of Kansas City |
MDZ | BCBS of Minnesota |
MEA | Blue Shield of California |
MEB | Unassigned Prefix |
MEC | Anthem BCBS of Virginia |
MED | Anthem BCBS of Ohio |
MEE | BCBS of Massachusetts |
MEF | Carefirst BCBS of Maryland |
MEG | Anthem BCBS of Georgia |
MEH | Carefirst BCBS of Maryland |
MEI | BCBS of Michigan |
MEJ | Carefirst BCBS of Maryland |
MEK | Blue Shield of California |
MEL | Wellmark BCBS |
MEM | Wellmark BCBS |
MEN | Anthem BCBS of Maine |
MEO | Blue Shield of California |
MEP | Anthem BCBS of Maine |
MEQ | Blue Shield of California |
MER | Anthem BCBS of Wisconsin |
MES | BCBS of Illinois |
MET | BCBS of Nebraska |
MEU | BCBS of Texas |
MEV | Unassigned Prefix |
MEW | Anthem BCBS of Maine |
MEX | BCBS of New Mexico |
MEY | Anthem BCBS of Maine |
MEZ | BCBS of New Mexico |
MFA | BCBS of Illinois |
MFB | Wellmark BCBS |
MFC | Carefirst BCBS of Maryland |
MFD | Anthem BCBS of Georgia |
MFE | Anthem Blue Cross of California |
MFF | Regence BCBS of Oregon |
MFG | Anthem BCBS of Ohio |
MFH | Anthem BCBS of Georgia |
MFI | Wellmark BCBS |
MFJ | BCBS of Wisconsin |
MFK | BCBS of Mississippi |
MFL | Independence Blue Cross |
MFM | Anthem BCBS of Georgia |
MFN | Anthem BCBS of Virginia |
MFO | Anthem BCBS of Wisconsin |
MFP | Regence BCBS of Oregon |
MFQ | Anthem BCBS of Virginia |
MFR | Unassigned Prefix |
MFS | Carefirst Administrators |
MFT | Anthem Blue Cross of California |
MFU | Wellmark BCBS |
MFV | BCBS of Illinois |
MFW | Anthem Blue Cross of California |
MFX | BCBS of Michigan |
MFY | BCBS of Minnesota |
MGA | Independence Blue Cross |
MGB | Capital Blue Cross |
MGC | Unassigned Prefix |
MGD | Premera Blue Cross |
MGE | BCBS of Rhode Island |
MGF | Anthem BCBS of Nevada |
MGG | Independence Blue Cross |
MGH | BCBS of Massachusetts |
MGI | Highmark BCBS |
MGJ | Anthem BCBS of Missouri |
MGK | Wellmark BCBS |
MGL | Independence Blue Cross |
MGM | Carefirst BCBS of Maryland |
MGN | Unassigned Prefix |
MGO | BCBS of Michigan |
MGP | Wellmark BCBS |
MGQ | BCBS of Minnesota |
MGR | BCBS of Michigan |
MGS | BCBS of Georgia |
MGT | Regence BCBS of Oregon |
MGU | Anthem BCBS of Virginia |
MGV | BCBS of South Carolina |
MGW | BCBS of Arkansas |
MGX | BCBS of Massachusetts |
MGY | Blue Shield of California |
MGZ | Horizon BCBS of New Jersey |
MHA | BCBS of South Carolina |
MHB | BCBS of Texas |
MHC | Highmark BCBS |
MHD | Empire BCBS of New York |
MHE | Unassigned Prefix |
MHF | Wellmark BCBS |
MHG | Anthem Blue Cross of California |
MHH | BCBS of Michigan |
MHI | Anthem BCBS of Georgia |
MHJ | Unassigned Prefix |
MHK | Wellmark BCBS |
MHL | BCBS of South Carolina |
MHM | Carefirst BCBS of Maryland |
MHN | Anthem BCBS of Ohio |
MHO | Unassigned Prefix |
MHP | Empire BCBS |
MHQ | Anthem BCBS of Georgia |
MHR | Unassigned Prefix |
MHS | BCBS of Nebraska |
MHT | Carefirst BCBS of Maryland |
MHU | Unassigned Prefix |
MHV | Unassigned Prefix |
MHW | BCBS of Alabama |
MHX | BCBS of Georgia |
MHY | Anthem Blue Cross of California |
MHZ | Wellmark BCBS |
MIA | Blue Shield of California |
MIB | BCBS of Minnesota |
MIC | BCBS of South Carolina |
MID | Unassigned Prefix |
MIE | BCBS of Minnesota |
MIF | Anthem BCBS of Ohio |
MIG | BCBS of Michigan |
MIH | BCBS of Georgia |
MII | BCBS of Kansas City |
MIJ | BCBS of Michigan |
MIK | Unassigned Prefix |
MIL | BCBS of Massachusetts |
MIM | Highmark BCBS |
MIN | Premera Blue Cross |
MIO | Blue Shield of California |
MIP | Blue Cross of Idaho |
MIQ | Anthem BCBS of Ohio |
MIR | Unassigned Prefix |
MIS | Anthem BCBS of Ohio |
MIT | Wellmark BCBS |
MIU | BCBS of South Carolina |
MIV | BCBS of Western New York |
MIW | BCBS of Michigan |
MIX | Blue Shield of California |
MIY | Unassigned Prefix |
MIZ | Blue Shield of California |
MJA | Blue Shield of Northeastern New York |
MJB | Anthem BCBS of Colorado |
MJC | BCBS of Texas |
MJD | BCBS of Alabama |
MJE | BCBS of Michigan |
MJF | Carefirst BCBS |
MJG | Premera Blue Cross |
MJH | Anthem BCBS of Wisconsin |
MJI | Carefirst BCBS of Maryland |
MJJ | BCBS of Michigan |
MJK | Carefirst BCBS |
MJL | Anthem Blue Cross of California |
MJM | Highmark BCBS |
MJN | Highmark BCBS |
MJO | Anthem BCBS of Connecticut |
MJP | Wellmark BCBS |
MJQ | Anthem Blue Cross of California |
MJR | BCBS of Michigan |
MJS | BCBS of Texas |
MJT | BCBS of Michigan |
MJU | BCBS of Michigan |
MJV | Anthem BCBS of Missouri |
MJW | BCBS of Georgia |
MJX | BCBS of Michigan |
MJY | Unassigned Prefix |
MJZ | Unassigned Prefix |
MKA | Wellmark BCBS |
MKB | Blue Shield of California |
MKC | BCBS of South Carolina |
MKD | BCBS of Massachusetts |
MKE | BCBS of Tennessee |
MKF | Premera Blue Cross |
MKG | Anthem BCBS of Ohio |
MKH | BCBS of Tennessee |
MKI | BCBS of Tennessee |
MKJ | Anthem BCBS of Ohio |
MKK | Anthem Blue Cross of California |
MKL | BCBS of Mississippi |
MKM | Carefirst BCBS of Maryland |
MKN | Anthem BCBS of Virginia |
MKO | BCBS of Michigan |
MKP | Anthem BCBS of Virginia |
MKQ | Anthem Blue Cross of California |
MKR | BCBS of Illinois |
MKS | BCBS of Massachusetts |
MKT | Wellmark BCBS |
MKU | Premera Blue Cross |
MKV | Horizon BCBS of New Jersey |
MKW | BCBS of Florida |
MKX | Anthem BCBS of Virginia |
MKY | Horizon BCBS of New Jersey |
MKZ | Carefirst BCBS of Maryland |
MLA | Wellmark BCBS |
MLB | Unassigned Prefix |
MLC | BCBS of Illinois |
MLD | Unassigned Prefix |
MLE | BCBS of Illinois |
MLF | Carefirst BCBS |
MLG | Highmark BCBS |
MLH | Carefirst BCBS of Maryland |
MLI | Independence Blue Cross |
MLJ | Carefirst BCBS of Maryland |
MLK | Anthem BCBS of Virginia |
MLL | Blue Shield of California |
MLM | Highmark BCBS |
MLN | Blue Shield of California |
MLO | BCBS of Western New York |
MLP | Anthem BCBS of Virginia |
MLQ | BCBS of Minnesota |
MLR | BCBS of Massachusetts |
MLS | BCBS of Alabama |
MLT | BCBS of Nebraska |
MLU | BCBS of Minnesota |
MLV | BCBS of Minnesota |
MLW | BCBS of Georgia |
MLX | Carefirst BCBS of Maryland |
MLY | Premera Blue Cross |
MLZ | BCBS of Rhode Island |
MMA | Empire BCBS |
MMB | Carefirst BCBS of Maryland |
MMC | Unassigned Prefix |
MMD | Premera Blue Cross |
MME | Carefirst BCBS |
MMF | Excellus BCBS of New York |
MMG | BCBS of Mississippi |
MMH | Empire BCBS |
MMI | Independence Blue Cross |
MMJ | BCBS of Michigan |
MMK | BCBS of Illinois |
MML | BCBS of Illinois |
MMM | BCBS of Minnesota |
MMN | BCBS of Tennessee |
MMO | BCBS of Michigan |
MMP | BCBS of North Carolina |
MMQ | Anthem BCBS of Ohio |
MMR | BCBS of Massachusetts |
MMS | Anthem BCBS of Ohio |
MMT | Carefirst Administrators |
MMU | BCBS of Illinois |
MMV | Anthem BCBS of Ohio |
MMW | BCBS of Illinois |
MMX | BCBS of Alabama |
MMY | Unassigned Prefix |
MMZ | Wellmark BCBS |
MNA | BCBS of Minnesota |
MNB | BCBS of Massachusetts |
MNC | Anthem Blue Cross of California |
MND | Anthem BCBS of Wisconsin |
MNE | Anthem BCBS of Wisconsin |
MNF | Independence Blue Cross |
MNG | BCBS of Tennessee |
MNH | Anthem BCBS of Virginia |
MNI | BCBS of Georgia |
MNJ | Anthem BCBS of Ohio |
MNK | BCBS of Michigan |
MNL | BCBS of South Carolina |
MNM | BCBS of Minnesota |
MNN | Highmark BCBS |
MNO | BCBS of North Carolina |
MNP | Blue Shield of California |
MNQ | BCBS of Minnesota |
MNR | BCBS of Minnesota |
MNS | Anthem BCBS of Kentucky |
MNT | BCBS of Illinois |
MNU | BCBS of North Carolina |
MNV | Unassigned Prefix |
MNW | Premera Blue Cross |
MNX | BCBS of Illinois |
MNY | Premera Blue Cross |
MNZ | Wellmark BCBS |
MOA | BCBS of Massachusetts |
MOB | Unassigned Prefix |
MOC | BCBS of Georgia |
MOD | BCBS of Massachusetts |
MOE | BCBS of Illinois |
MOF | Blue Shield of California |
MOG | BCBS of South Carolina |
MOH | Unassigned Prefix |
MOI | BCBS of Massachusetts |
MOJ | Anthem BCBS of Ohio |
MOK | Independence Blue Cross |
MOL | Unassigned Prefix |
MOM | Anthem Blue Cross of California |
MON | Unassigned Prefix |
MOO | Unassigned Prefix |
MOP | Unassigned Prefix |
MOQ | Independence Blue Cross |
MOR | Premera Blue Cross |
MOS | Blue Shield of California |
MOT | BCBS of Massachusetts |
MOU | BCBS of Michigan |
MOV | BCBS of Arkansas |
MOW | Anthem BCBS of Kentucky |
MOX | BCBS of Illinois |
MOY | Wellmark BCBS |
MOZ | Unassigned Prefix |
MPA | BCBS of Mississippi |
MPB | Unassigned Prefix |
MPC | BCBS of Rhose Island |
MPD | BCBS of Texas |
MPE | BCBS of Michigan |
MPF | Excellus BCBS of New York |
MPG | Independence Blue Cross |
MPH | BCBS of Massachusetts |
MPI | Anthem Blue Cross of California |
MPJ | Unassigned Prefix |
MPK | Unassigned Prefix |
MPL | BCBS of Illinois |
MPM | Highmark BCBS |
MPN | Wellmark BCBS |
MPO | BCBS of Alabama |
MPP | Anthem BCBS of Wisconsin |
MPQ | BCBS of Minnesota |
MPR | Anthem Blue Cross of California |
MPS | BCBS of Georgia |
MPT | BCBS of Minnesota |
MPU | Anthem BCBS of Ohio |
MPV | BCBS of Minnesota |
MPW | BCBS of Nebraska |
MPX | BCBS of Minnesota |
MPY | BCBS of Florida |
MPZ | Unassigned Prefix |
MQA | BCBS of Michigan |
MQB | Empire BCBS |
MQC | Anthem Blue Cross of California |
MQD | Carefirst Administrators |
MQE | Anthem BCBS of Georgia |
MQF | BCBS of Western New York |
MQG | Carefirst BCBS |
MQH | BCBS of Michigan |
MQI | Wellmark BCBS |
MQJ | BCBS of Michigan |
MQK | BCBS of Michigan |
MQL | Anthem BCBS of Georgia |
MQM | Unassigned Prefix |
MQN | BCBS of North Carolina |
MQO | BCBS of Michigan |
MQP | Anthem Blue Cross of California |
MQQ | Blue Cross of Idaho |
MQR | Highmark BCBS |
MQS | Unassigned Prefix |
MQT | BCBS of Minnesota |
MQU | Anthem BCBS of Ohio |
MQV | BCBS of Nebraska |
MQW | BCBS of Michigan |
MQX | Anthem Blue Cross of California |
MQY | BCBS of North Carolina |
MQZ | Anthem Blue Cross of California |
MRA | Anthem BCBS of Virginia |
MRB | Unassigned Prefix |
MRC | BCBS of Illinois |
MRD | Unassigned Prefix |
MRE | Wellmark BCBS |
MRF | BCBS of Michigan |
MRG | BCBS of Illinois |
MRH | Anthem BCBS of Wisconsin |
MRI | Blue Shield of California |
MRJ | Carefirst BCBS of Maryland |
MRK | BCBS of Massachusetts |
MRL | Wellmark BCBS |
MRM | BCBS of Kansas City |
MRN | Anthem BCBS of Wisconsin |
MRO | Unassigned Prefix |
MRP | Anthem BCBS of Wisconsin |
MRQ | BCBS of Western New York |
MRR | Anthem Blue Cross of California |
MRS | Wellmark BCBS |
MRT | BCBS of Texas |
MRU | Highmark BCBS |
MRV | Anthem Blue Cross of California |
MRW | BCBS of Illinois |
MRX | Anthem BCBS of Wisconsin |
MRY | BCBS of Alabama |
MRZ | BCBS of Illinois |
MSA | BCBS of Alabama |
MSB | Wellmark BCBS |
MSC | BCBS of Alabama |
MSD | Independence Blue Cross |
MSE | BCBS of Michigan |
MSF | Empire BCBS of New York |
MSG | BCBS of Michigan |
MSH | BCBS of Michigan |
MSI | Regence BCBS of Oregon |
MSJ | Premera Blue Cross |
MSK | BCBS of Massachusetts |
MSL | Carefirst Administrators |
MSM | Carefirst BCBS of Maryland |
MSN | Anthem BCBS of Ohio |
MSO | BCBS of Nebraska |
MSP | Premera Blue Cross |
MSQ | Premera Blue Cross |
MSR | BCBS of Michigan |
MSS | Highmark BCBS |
MST | Premera Blue Cross |
MSU | Anthem BCBS of Ohio |
MSV | BCBS of Alabama |
MSW | BCBS of Illinois |
MSX | Anthem Blue Cross of California |
MSY | Premera Blue Cross |
MSZ | Anthem Blue Cross of California |
MTA | Anthem BCBS of Virginia |
MTB | Wellmark BCBS |
MTC | Anthem BCBS of Virginia |
MTD | Premera Blue Cross |
MTE | Blue Shield of California |
MTF | Anthem BCBS of Georgia |
MTG | Carefirst BCBS of Maryland |
MTH | Wellmark BCBS |
MTI | Empire BCBS of New York |
MTJ | Blue Cross of Idaho |
MTK | Wellmark BCBS |
MTL | BCBS of Texas |
MTM | BCBS of South Carolina |
MTN | BCBS of Massachusetts |
MTO | Blue Shield of California |
MTP | BCBS of Massachusetts |
MTQ | Blue Shield of California |
MTR | BCBS of Tennessee |
MTS | Carefirst BCBS of Maryland |
MTT | Blue Shield of California |
MTU | Premera Blue Cross |
MTV | Anthem BCBS of Indiana |
MTW | Anthem BCBS of Ohio |
MTX | Carefirst Administrators |
MTY | Anthem Blue Cross of California |
MTZ | BCBS of Illinois |
MUA | BCBS of Texas |
MUB | Carefirst BCBS of Maryland |
MUC | Wellmark BCBS |
MUD | Carefirst BCBS of Maryland |
MUE | Wellmark BCBS |
MUF | Anthem BCBS of Wisconsin |
MUG | BCBS of Arkansas |
MUH | Carefirst BCBS of Maryland |
MUI | Unassigned Prefix |
MUJ | BCBS of Georgia |
MUK | Anthem BCBS of Wisconsin |
MUL | BCBS of Illinois |
MUM | BCBS of Arizona |
MUN | BCBS of Illinois |
MUO | Anthem BCBS of Wisconsin |
MUP | BCBS of Minnesota |
MUQ | Premera Blue Cross |
MUR | BCBS of Michigan |
MUS | BCBS of Texas |
MUT | BCBS of Minnesota |
MUU | BCBS of Michigan |
MUV | Carefirst BCBS |
MUW | Highmark BCBS |
MUX | Wellmark BCBS |
MUY | BCBS of Alabama |
MUZ | BCBS of Michigan |
MVA | BCBS of Montana |
MVB | BCBS of Vermont |
MVC | BCBS of South Carolina |
MVD | Premera Blue Cross |
MVE | BCBS of Massachusetts |
MVF | Empire BCBS of New York |
MVG | BCBS of Minnesota |
MVH | Unassigned Prefix |
MVI | BCBS of Michigan |
MVJ | Blue Shield of California |
MVK | BCBS of Georgia |
MVL | BCBS of Massachusetts |
MVM | BCBS of Alabama |
MVN | Empire BCBS of New York |
MVO | Blue Shield of California |
MVP | Carefirst BCBS |
MVQ | Blue Cross of Idaho |
MVR | Highmark BCBS |
MVS | Blue Shield of California |
MVT | BCBS of Minnesota |
MVU | Anthem BCBS of Ohio |
MVV | Wellmark BCBS |
MVW | Unassigned Prefix |
MVX | BCBS of South Carolina |
MVY | Anthem BCBS of Ohio |
MVZ | Highmark BCBS |
MWA | BCBS of Illinois |
MWB | Unassigned Prefix |
MWC | Unassigned Prefix |
MWD | Carefirst Administrators |
MWE | Anthem BCBS of Wisconsin |
MWF | BCBS of Illinois |
MWG | BCBS of Minnesota |
MWH | BCBS of Illinois |
MWI | Unassigned Prefix |
MWJ | Horizon BCBS of New Jersey |
MWK | Horizon BCBS of New Jersey |
MWL | BCBS of Illinois |
MWM | BCBS of Georgia |
MWN | BCBS of Illinois |
MWO | Independence Blue Cross |
MWP | BCBS of Massachusetts |
MWQ | Anthem BCBS of Virginia |
MWR | BCBS of Kansas City |
MWS | Anthem BCBS of Virginia |
MWT | Blue Shield of California |
MWU | Anthem BCBS of Wisconsin |
MWV | Anthem BCBS of Wisconsin |
MWW | Anthem BCBS of Nevada |
MWX | BCBS of Alabama |
MWY | Unassigned Prefix |
MWZ | Independence Blue Cross |
MXA | Anthem Blue Cross of California |
MXB | Highmark BCBS |
MXC | Unassigned Prefix |
MXD | BCBS of Texas |
MXE | BCBS of Texas |
MXF | Empire BCBS of New York |
MXG | BCBS of Massachusetts |
MXH | Carefirst BCBS of Maryland |
MXI | Blue Shield of California |
MXJ | Anthem BCBS of Virginia |
MXK | Capital Blue Cross |
MXL | Wellmark BCBS |
MXM | Wellmark BCBS |
MXN | BCBS of Massachusetts |
MXO | Wellmark BCBS |
MXP | BCBS of Massachusetts |
MXQ | Empire BCBS |
MXR | Anthem Blue Cross of California |
MXS | Anthem BCBS of Georgia |
MXT | Unassigned Prefix |
MXU | Anthem BCBS of Connecticut |
MXV | Blue Cross of Idaho |
MXW | Blue Cross of Idaho |
MXX | BCBS of Minnesota |
MXY | BCBS of Massachusetts |
MXZ | Premera Blue Cross |
MYA | Unassigned Prefix |
MYB | Regence BCBS of Oregon |
MYC | Unassigned Prefix |
MYD | BCBS of Massachusetts |
MYE | Anthem BCBS of Ohio |
MYF | Empire BCBS of New York |
MYG | Wellmark BCBS |
MYH | BCBS of Massachusetts |
MYI | BCBS of Massachusetts |
MYJ | Unassigned Prefix |
MYK | BCBS of Massachusetts |
MYL | BCBS of Massachusetts |
MYM | Anthem BCBS of Ohio |
MYN | Anthem BCBS of Ohio |
MYO | Unassigned Prefix |
MYP | BCBS of Georgia |
MYQ | BCBS of Massachusetts |
MYR | BCBS of Alabama |
MYS | BCBS of Massachusetts |
MYT | BCBS of Michigan |
MYU | BCBS of Massachusetts |
MYV | Regence Blue Cross Blue Shield of Utah |
MYW | Carefirst BCBS of Maryland |
MYX | BCBS of Oklahoma |
MYY | Carefirst BCBS of Maryland |
MYZ | BCBS of Massachusetts |
MZA | Wellmark BCBS |
MZB | Highmark BCBS |
MZC | BCBS of Rhose Island |
MZD | BCBS of Illinois |
MZE | BCBS of Massachusetts |
MZF | BCBS of Illinois |
MZG | BCBS of Illinois |
MZH | Unassigned Prefix |
MZI | Blue Shield of California |
MZJ | BCBS of Massachusetts |
MZK | Anthem BCBS of Virginia |
MZL | BCBS of Alabama |
MZM | BCBS of Minnesota |
MZN | BCBS of North Carolina |
MZO | BCBS of Michigan |
MZP | BCBS of Michigan |
MZQ | BCBS of Minnesota |
MZR | BCBS of Minnesota |
MZS | BCBS of North Carolina |
MZT | BCBS of Minnesota |
MZU | BCBS of South Carolina |
MZV | BCBS of Michigan |
MZW | BCBS of Minnesota |
MZX | BCBS of Minnesota |
MZY | BCBS of Michigan |
MZZ | BCBS of Minnesota |