BCBS Alpha Prefix List from BAA to BZZ Updated (2022)

BCBS Alpha Prefix List of “B”-series Blue Cross Blue Shield insurance Companies – Statewise
BAA Anthem BCBS of Ohio (OH)
BAB Anthem BCBS of Connecticut (CT)
BAC Carefirst BCBS of Maryland (MD), District of Columbia (DC), and Northern Virginia (VA)
BAD BCBS of Kansas City
BAE Empire BCBS of New York (NY)
BAF BCBS of Oklahoma (OK)
BAG BCBS of Alabama (AL)
BAH Not assigned prefix
BAI Not assigned prefix
BAJ Wellmark
BAK Anthem BCBS of Missouri (MO)
BAL BCBS of North Dakota (ND)
BAM BCBS of Illinois (IL)
BAN Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BAO Not assigned prefix
BAP BCBS of Illinois (IL)
BAQ BCBS of Kansas City
BAR Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BAS BCBS of Texas (TX)
BAT BCBS of South Carolina (SC) / Southcarolinablues
BAU Anthem BCBS of Ohio (OH)
BAV Anthem BCBS of Maine (ME)
BAW Empire BCBS of New York (NY)
BAX Horizon BCBS of New Jersey (NJ)
BAY Anthem Blue Cross(BC) of California (CA)
BAZ BCBS of Texas (TX)
BBA Florida (FL) Blue
BBB Not assigned prefix
BBC Premera BCBS of Alaska (AK)
BBD Not assigned prefix
BBE BCBS of Illinois (IL)
BBF Not assigned prefix
BBG BCBS of Texas (TX)
BBH Anthem BCBS of Connecticut (CT)
BBI BCBS Blue Care Network Michigan (MI)
BBJ Premera BCBS of Alaska (AK)
BBK Anthem Blue Cross(BC) of California (CA)
BBL Anthem Blue Cross(BC) of California (CA)
BBM Highmark BCBS of Pennsylvania (PA)
BBN Not assigned prefix
BBO Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BBP BCBS of Massachusetts (MA)
BBQ BCBS of Alabama (AL)
BBR Not assigned prefix
BBS BCBS of Alabama (AL)
BBT BCBS of Kansas City
BBU BCBS of Illinois (IL)
BBV Anthem BCBS of Wisconsin (WI)
BBW Anthem Blue Cross(BC) of California (CA)
BBX Not assigned prefix
BBY BCBS Blue Care Network Michigan (MI)
BBZ BCBS of Illinois (IL)
BCA Arkansas (AR) Blue Cross
BCB BCBS of Illinois (IL)
BCC Premera BCBS of Alaska (AK)
BCD Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BCE Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BCF Wellmark
BCG BCBS of Texas (TX)
BCH Arkansas (AR) Blue Cross
BCI BCBS of Massachusetts (MA)
BCJ Anthem BCBS of Indiana (IN)
BCK Anthem BCBS of Indiana (IN)
BCL Anthem Blue Cross(BC) of California (CA)
BCM Highmark BCBS of Pennsylvania (PA)
BCN Anthem BCBS of Ohio (OH)
BCO Wellmark
BCP Anthem Blue Cross(BC) of California (CA)
BCQ Arkansas (AR) Blue Cross
BCR Wellmark
BCS BCBS of Illinois (IL)
BCT Regence BCBS of Oregon (OR) and Utah (UT)
Regence Blue Shield (BS) of Idaho (ID) and select counties of Washington (WA)
BCU Not assigned prefix
BCV Blue shield(BS) of California (CA)
BCW Empire BCBS of New York (NY)
BCX BCBS of Illinois (IL)
BCY Florida (FL) Blue
BCZ Regence BCBS of Oregon (OR) and Utah (UT)
Regence Blue Shield (BS) of Idaho (ID) and select counties of Washington (WA)
BDA BCBS Blue Care Network Michigan (MI)
BDB Arkansas (AR) Blue Cross
BDC BCBS Blue Care Network Michigan (MI)
BDD Anthem BCBS of Maine (ME)
BDE Not assigned prefix
BDF BCBS of Kansas City
BDG BCBS of Illinois (IL)
BDH Wellmark
BDI Wellmark
BDJ Anthem BCBS of Indiana (IN)
BDK Not assigned prefix
BDL BCBS of Illinois (IL)
BDM BCBS of Alabama (AL)
BDN Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BDO Anthem BCBS of Ohio (OH)
BDP Anthem BCBS of Ohio (OH)
BDQ Not assigned prefix
BDR Arkansas (AR) Blue Cross
BDS BCBS Blue Care Network Michigan (MI)
BDT Anthem BCBS of Indiana (IN)
BDU BCBS of Tennessee (TN)
BDV Not assigned prefix
BDW Horizon BCBS of New Jersey (NJ)
BDX Not assigned prefix
BDY Not assigned prefix
BDZ Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BEA Florida (FL) Blue
BEB BCBS of South Carolina (SC) / Southcarolinablues
BEC BCBS Blue Care Network Michigan (MI)
BED Not assigned prefix
BEE BCBS Blue Care Network Michigan (MI)
BEF BCBS Blue Care Network Michigan (MI)
BEG BCBS of Alabama (AL)
BEH Anthem BCBS of Ohio (OH)
BEI BCBS Blue Care Network Michigan (MI)
BEJ BCBS of Texas (TX)
BEK Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BEL Anthem BCBS of Wisconsin (WI)
BEM BCBS of Illinois (IL)
BEN Anthem BCBS of Ohio (OH)
BEO Horizon BCBS of New Jersey (NJ)
BEP Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BEQ Not assigned prefix
BER BCBS of Massachusetts (MA)
BES Anthem BCBS of Ohio (OH)
BET Highmark BCBS of Pennsylvania (PA)
BEU Florida (FL) Blue
BEV Not assigned prefix
BEW Horizon BCBS of New Jersey (NJ)
BEX Not assigned prefix
BEY Anthem BCBS of Maine (ME)
BEZ Wellmark
BFA Not assigned prefix
BFB BCBS of Louisiana(LA)
BFC Anthem BCBS of Ohio (OH)
BFD Anthem BCBS of Kentucky (KY)
BFE BCBS of Tennessee (TN)
BFF BCBS of Tennessee (TN)
BFG BCBS of Texas (TX)
BFH Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BFI BCBS of Western New York (WNY)
BFJ Anthem BCBS of Virginia (VA)
BFK Anthem BCBS of Ohio (OH)
BFL Florida (FL) Blue
BFM Highmark BCBS of Pennsylvania (PA)
BFN Wellmark
BFO BCBS Blue Care Network Michigan (MI)
BFP BCBS of North Carolina (NC)
BFQ BCBS of Texas (TX)
BFR Florida (FL) Blue
BFS BCBS of Texas (TX)
BFT Not assigned prefix
BFU Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BFV Horizon BCBS of New Jersey (NJ)
BFW BCBS of Western New York (WNY)
BFX Anthem BCBS of Indiana (IN)
BFY Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BFZ Anthem BCBS of Maine (ME)
BGA BCBS of Massachusetts (MA)
BGB BCBS Blue Care Network Michigan (MI)
BGC BCBS Blue Care Network Michigan (MI)
BGD BCBS of Massachusetts (MA)
BGE Anthem BCBS of Virginia (VA)
BGF Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BGG Anthem BCBS of Wisconsin (WI)
BGH BCBS of South Carolina (SC) / Southcarolinablues
BGI BCBS of Alabama (AL)
BGJ Blue shield(BS) of California (CA)
BGK Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BGL BCBS of Alabama (AL)
BGM Anthem Blue Cross(BC) of California (CA)
BGN BCBS of Kansas City
BGO Florida (FL) Blue
BGP BCBS Blue Care Network Michigan (MI)
BGQ Not assigned prefix
BGR BCBS of Illinois (IL)
BGS Premera BCBS of Alaska (AK)
BGT BCBS of South Carolina (SC) / Southcarolinablues
BGU Not assigned prefix
BGV Not assigned prefix
BGW Empire BCBS of New York (NY)
BGX BCBS of Texas (TX)
BGY Capital Blue Cross of Pennsylvania (PA)
BGZ Anthem BCBS of Wisconsin (WI)
BHA Not assigned prefix
BHB Capital Blue Cross of Pennsylvania (PA)
BHC Not assigned prefix
BHD Not assigned prefix
BHE BCBS of Texas (TX)
BHF BCBS of Massachusetts (MA)
BHG Wellmark
BHH BCBS of Minnesota (MN)
BHI Anthem BCBS of Maine (ME)
BHJ Not assigned prefix
BHK Anthem BCBS of Ohio (OH)
BHL BCBS of Nebraska (NE)
BHM BCBS Blue Care Network Michigan (MI)
BHN Not assigned prefix
BHO Wellmark
BHP BCBS of Illinois (IL)
BHQ Anthem BCBS of Georgia (GA)
BHR Anthem BCBS of Connecticut (CT)
BHS Blue Cross (BC) of Idaho (ID)
BHT BCBS of Massachusetts (MA)
BHU BCBS of South Carolina (SC) / Southcarolinablues
BHV BCBS of Minnesota (MN)
BHW Capital Blue Cross of Pennsylvania (PA)
BHX BCBS of Montana (MT)
BHY Not assigned prefix
BHZ Not assigned prefix
BIA Anthem BCBS of Ohio (OH)
BIB Wellmark
BIC Anthem BCBS of Georgia (GA)
BID Not assigned prefix
BIE BCBS Blue Care Network Michigan (MI)
BIF Not assigned prefix
BIG Anthem BCBS of Ohio (OH)
BIH Not assigned prefix
BII BCBS of North Carolina (NC)
BIJ Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BIK Regence BCBS of Oregon (OR) and Utah (UT)
Regence Blue Shield (BS) of Idaho (ID) and select counties of Washington (WA)
BIL BCBS of South Carolina (SC) / Southcarolinablues
BIM BCBS Blue Care Network Michigan (MI)
BIN Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BIO Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BIP Regence BCBS of Oregon (OR) and Utah (UT)
Regence Blue Shield (BS) of Idaho (ID) and select counties of Washington (WA)
BIQ Not assigned prefix
BIR Anthem BCBS of Missouri (MO)
BIS BCBS Blue Care Network Michigan (MI)
BIT BCBS of Massachusetts (MA)
BIU BCBS of Massachusetts (MA)
BIV Not assigned prefix
BIW Anthem BCBS of Georgia (GA)
BIX BCBS of South Carolina (SC) / Southcarolinablues
BIY Anthem BCBS of Georgia (GA)
BIZ Not assigned prefix
BJA Anthem BCBS of Ohio (OH)
BJB Horizon BCBS of New Jersey (NJ)
BJC Not assigned prefix
BJD Anthem BCBS of New Hampshire (NH)
BJE Not assigned prefix
BJF Not assigned prefix
BJG BCBS of Illinois (IL)
BJH Wellmark
BJI Florida (FL) Blue
BJJ Not assigned prefix
BJK Anthem BCBS of Virginia (VA)
BJL Anthem BCBS of Ohio (OH)
BJM Anthem BCBS of Wisconsin (WI)
BJN Highmark BCBS of Pennsylvania (PA)
BJO BCBS of Nebraska (NE)
BJP BCBS of Minnesota (MN)
BJQ BCBS of Illinois (IL)
BJR Not assigned prefix
BJS BCBS of North Carolina (NC)
BJT Not assigned prefix
BJU Not assigned prefix
BJV Florida (FL) Blue
BJW Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BJX Not assigned prefix
BJY Anthem BCBS of Wisconsin (WI)
BJZ Anthem BCBS of Maine (ME)
BKA Anthem BCBS of New Hampshire (NH)
BKB Wellmark
BKC BCBS of Illinois (IL)
BKD Premera BCBS of Alaska (AK)
BKE Not assigned prefix
BKF Not assigned prefix
BKG Wellmark
BKH Premera BCBS of Alaska (AK)
BKI Anthem Blue Cross(BC) of California (CA)
BKJ Anthem BCBS of Colorado (CO)
BKK BCBS of Texas (TX)
BKL BCBS of Massachusetts (MA)
BKM Anthem BCBS of Missouri (MO)
BKN Blue shield(BS) of California (CA)
BKO Anthem BCBS of Missouri (MO)
BKP Blue shield(BS) of California (CA)
BKQ BCBS of South Carolina (SC) / Southcarolinablues
BKR Wellmark
BKS BCBS of Alabama (AL)
BKT Empire BCBS of New York (NY)
BKU Not assigned prefix
BKV Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BKW BCBS of Massachusetts (MA)
BKX BCBS of Massachusetts (MA)
BKY Blue Cross (BC) of Idaho (ID)
BKZ BCBS of Massachusetts (MA)
BLA Florida (FL) Blue
BLB Anthem BCBS of Indiana (IN)
BLC BCBS of Western New York (WNY)
BLD BCBS of Nebraska (NE)
BLE Florida (FL) Blue
BLF Not assigned prefix
BLG Not assigned prefix
BLH Blue Cross (BC) of Idaho (ID)
BLI Not assigned prefix
BLJ Anthem BCBS of Indiana (IN)
BLK Anthem BCBS of Indiana (IN)
BLL Anthem BCBS of Wisconsin (WI)
BLM Florida (FL) Blue
BLN Anthem BCBS of Ohio (OH)
BLO Anthem BCBS of Georgia (GA)
BLP Anthem BCBS of Ohio (OH)
BLQ Anthem BCBS of Wisconsin (WI)
BLR BCBS of Illinois (IL)
BLS Empire BCBS of New York (NY)
BLT BCBS of South Carolina (SC) / Southcarolinablues
BLU BCBS of Alabama (AL)
BLV Not assigned prefix
BLW BCBS of Illinois (IL)
BLX BCBS of Illinois (IL)
BLY Anthem BCBS of Virginia (VA)
BLZ Anthem BCBS of Ohio (OH)
BMA Anthem BCBS of Wisconsin (WI)
BMB BCBS of Illinois (IL)
BMC BCBS of North Carolina (NC)
BMD Not assigned prefix
BME Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BMF Not assigned prefix
BMG Not assigned prefix
BMH Anthem BCBS of Wisconsin (WI)
BMI Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BMJ Anthem BCBS of Missouri (MO)
BMK Wellmark
BML Anthem BCBS of Wisconsin (WI)
BMM Wellmark
BMN Anthem BCBS of Ohio (OH)
BMO BCBS of Illinois (IL)
BMP Regence BCBS of Oregon (OR) and Utah (UT)
Regence Blue Shield (BS) of Idaho (ID) and select counties of Washington (WA)
BMQ BCBS of Kansas City
BMR Not assigned prefix
BMS Wellmark
BMT BCBS of Illinois (IL)
BMU Not assigned prefix
BMV Florida (FL) Blue
BMW Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA)
BMX Not assigned prefix
BMY BCBS of Texas (TX)
BMZ Not assigned prefix
BNA Anthem BCBS of Indiana (IN)
BNB Not assigned prefix
BNC BCBS of Massachusetts (MA)
BND BCBS of Massachusetts (MA)
BNE Not assigned prefix
BNF BCBS of Illinois (IL)
BNG Anthem Blue Cross(BC) of California (CA)
BNH Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BNI Not assigned prefix
BNJ Not assigned prefix
BNK BCBS of Illinois (IL)
BNL Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BNM BCBS of New Mexico (NM)
BNN BCBS of Texas (TX)
BNO Not assigned prefix
BNP Wellmark
BNQ Anthem BCBS of Nevada (NV)
BNR Not assigned prefix
BNS Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BNT BCBS of Illinois (IL)
BNU BCBS of Illinois (IL)
BNV Anthem BCBS of Ohio (OH)
BNW Blue shield(BS) of California (CA)
BNX Anthem BCBS of Missouri (MO)
BNY Anthem Blue Cross(BC) of California (CA)
BNZ Horizon BCBS of New Jersey (NJ)
BOA BCBS of South Carolina (SC) / Southcarolinablues
BOB Florida (FL) Blue
BOC BCBS Blue Care Network Michigan (MI)
BOD Anthem BCBS of Ohio (OH)
BOE Blue shield(BS) of California (CA)
BOF BCBS Blue Care Network Michigan (MI)
BOG BCBS Blue Care Network Michigan (MI)
BOH Blue shield(BS) of California (CA)
BOI Not assigned prefix
BOJ Blue shield(BS) of California (CA)
BOK BCBS of Oklahoma (OK)
BOL Wellmark
BOM Wellmark
BON Not assigned prefix
BOO Not assigned prefix
BOP BCBS Blue Care Network Michigan (MI)
BOQ Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BOR Premera BCBS of Alaska (AK)
BOS BCBS of Massachusetts (MA)
BOT Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BOU BCBS of Rhode Island (RI)
BOV Highmark BCBS of Pennsylvania (PA)
BOW BCBS of Texas (TX)
BOX Blue shield(BS) of California (CA)
BOY Anthem BCBS of Missouri (MO)
BOZ BCBS of Minnesota (MN)
BPA BCBS of Illinois (IL)
BPB Wellmark
BPC BCBS of Minnesota (MN)
BPD BCBS of Illinois (IL)
BPE Wellmark
BPF Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BPG BCBS of Illinois (IL)
BPH BCBS of Massachusetts (MA)
BPI Wellmark
BPJ BCBS Blue Care Network Michigan (MI)
BPK BCBS Blue Care Network Michigan (MI)
BPL Anthem BCBS of Indiana (IN)
BPM Anthem BCBS of Kentucky (KY)
BPN BCBS of Massachusetts (MA)
BPO Anthem BCBS of Ohio (OH)
BPP Anthem BCBS of New Hampshire (NH)
BPQ BCBS of Louisiana(LA)
BPR Empire BCBS of New York (NY)
BPS BCBS of Louisiana(LA)
BPT Not assigned prefix
BPU Not assigned prefix
BPV Anthem BCBS of Georgia (GA)
BPW BCBS Blue Care Network Michigan (MI)
BPX Regence BCBS of Oregon (OR) and Utah (UT)
Regence Blue Shield (BS) of Idaho (ID) and select counties of Washington (WA)
BPY BCBS of Minnesota (MN)
BPZ Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BQA Not assigned prefix
BQB Regence BCBS of Oregon (OR) and Utah (UT)
Regence Blue Shield (BS) of Idaho (ID) and select counties of Washington (WA)
BQC Wellmark
BQD Not assigned prefix
BQE Anthem BCBS of New Hampshire (NH)
BQF Not assigned prefix
BQG Not assigned prefix
BQH Anthem BCBS of Georgia (GA)
BQI Blue shield(BS) of California (CA)
BQJ Not assigned prefix
BQK Not assigned prefix
BQL Anthem BCBS of Ohio (OH)
BQM Not assigned prefix
BQN Not assigned prefix
BQO BCBS of North Carolina (NC)
BQP Anthem BCBS of Missouri (MO)
BQQ BCBS of Western New York (WNY)
BQR Not assigned prefix
BQS Not assigned prefix
BQT BCBS of Massachusetts (MA)
BQU Not assigned prefix
BQV Not assigned prefix
BQW BCBS Blue Care Network Michigan (MI)
BQX Blue shield(BS) of California (CA)
BQY Not assigned prefix
BQZ Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BRA Blue shield(BS) of California (CA)
BRB Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BRC Blue shield(BS) of California (CA)
BRD Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA)
BRE BCBS Blue Care Network Michigan (MI)
BRF BCBS of Minnesota (MN)
BRG BCBS of Illinois (IL)
BRH BCBS of Texas (TX)
BRI Not assigned prefix
BRJ BCBS of Rhode Island (RI)
BRK BCBS of Texas (TX)
BRL Anthem BCBS of Indiana (IN)
BRM BCBS Blue Care Network Michigan (MI)
BRN Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BRO BCBS of Alabama (AL)
BRP BCBS Blue Care Network Michigan (MI)
BRQ BCBS of Oklahoma (OK)
BRR Regence BCBS of Oregon (OR) and Utah (UT)
Regence Blue Shield (BS) of Idaho (ID) and select counties of Washington (WA)
BRS Wellmark
BRT Anthem BCBS of Indiana (IN)
BRU BCBS of Illinois (IL)
BRV BCBS Blue Care Network Michigan (MI)
BRW BCBS of Illinois (IL)
BRX Anthem Blue Cross(BC) of California (CA)
BRY Blue shield(BS) of California (CA)
BRZ Wellmark
BSA BCBS of Massachusetts (MA)
BSB Not assigned prefix
BSC BCBS of Massachusetts (MA)
BSD Wellmark
BSE BCBS of Texas (TX)
BSF Not assigned prefix
BSG Anthem BCBS of Virginia (VA)
BSH Not assigned prefix
BSI BCBS Blue Care Network Michigan (MI)
BSJ Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA)
BSK Not assigned prefix
BSL BCBS of Texas (TX)
BSM BCBS of Massachusetts (MA)
BSN BCBS of Massachusetts (MA)
BSO Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BSP Not assigned prefix
BSQ Not assigned prefix
BSR Premera BCBS of Alaska (AK)
BSS Not assigned prefix
BST Not assigned prefix
BSU Florida (FL) Blue
BSV Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BSW Wellmark
BSX Anthem BCBS of Wisconsin (WI)
BSY Blue shield(BS) of California (CA)
BSZ BCBS of South Carolina (SC) / Southcarolinablues
BTA BCBS of Illinois (IL)
BTB BCBS of North Carolina (NC)
BTC Not assigned prefix
BTD Empire BCBS of New York (NY)
BTE Anthem BCBS of Ohio (OH)
BTF Wellmark
BTG Premera BCBS of Alaska (AK)
BTH Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BTI Regence BCBS of Oregon (OR) and Utah (UT)
Regence Blue Shield (BS) of Idaho (ID) and select counties of Washington (WA)
BTJ Not assigned prefix
BTK Anthem BCBS of Ohio (OH)
BTL Not assigned prefix
BTM Wellmark
BTN Blue Cross (BC) of Idaho (ID)
BTO Anthem BCBS of New Hampshire (NH)
BTP Anthem BCBS of Wisconsin (WI)
BTQ Not assigned prefix
BTR Not assigned prefix
BTS Wellmark
BTT Wellmark
BTU Arkansas (AR) Blue Cross
BTV Not assigned prefix
BTW Anthem Blue Cross(BC) of California (CA)
BTX Anthem BCBS of Virginia (VA)
BTY Anthem BCBS of Georgia (GA)
BTZ Wellmark
BUA Not assigned prefix
BUB BCBS Blue Care Network Michigan (MI)
BUC Not assigned prefix
BUD BCBS Blue Care Network Michigan (MI)
BUE Anthem BCBS of Missouri (MO)
BUF BCBS Blue Care Network Michigan (MI)
BUG Not assigned prefix
BUH Highmark BCBS of Pennsylvania (PA)
BUI Anthem BCBS of Virginia (VA)
BUJ BCBS of Western New York (WNY)
BUK Anthem BCBS of Ohio (OH)
BUL BCBS of South Carolina (SC) / Southcarolinablues
BUM Anthem BCBS of Virginia (VA)
BUN BCBS of South Carolina (SC) / Southcarolinablues
BUO BCBS of Massachusetts (MA)
BUP Not assigned prefix
BUQ Not assigned prefix
BUR Anthem BCBS of Ohio (OH)
BUS Wellmark
BUT Not assigned prefix
BUU BCBS of North Carolina (NC)
BUV Not assigned prefix
BUW Wellmark
BUX BCBS Blue Care Network Michigan (MI)
BUY Not assigned prefix
BUZ BCBS of Minnesota (MN)
BVA Anthem BCBS of Virginia (VA)
BVB Wellmark
BVC Not assigned prefix
BVD Blue shield(BS) of California (CA)
BVE Premera BCBS of Alaska (AK)
BVF Wellmark
BVG BCBS of Illinois (IL)
BVH BCBS of Massachusetts (MA)
BVI BCBS of Louisiana(LA)
BVJ Not assigned prefix
BVK Not assigned prefix
BVL Not assigned prefix
BVM BCBS of Kansas City
BVN Anthem BCBS of Virginia (VA)
BVO Blue Cross (BC) of Idaho (ID)
BVP BCBS of Tennessee (TN)
BVQ Wellmark
BVR BCBS of North Carolina (NC)
BVS Not assigned prefix
BVT BCBS of Vermont (VT)
BVU Not assigned prefix
BVV Not assigned prefix
BVW Not assigned prefix
BVX Not assigned prefix
BVY Not assigned prefix
BVZ BCBS of Minnesota (MN)
BWA BCBS of Vermont (VT)
BWB Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BWC BCBS of Texas (TX)
BWD BCBS Blue Care Network Michigan (MI)
BWE Anthem BCBS of Ohio (OH)
BWF BCBS of South Carolina (SC) / Southcarolinablues
BWG Anthem BCBS of Virginia (VA)
BWH Wellmark
BWI Anthem BCBS of Virginia (VA)
BWJ Not assigned prefix
BWK Wellmark
BWL BCBS of Illinois (IL)
BWM Wellmark
BWN BCBS Blue Care Network Michigan (MI)
BWO BCBS of South Carolina (SC) / Southcarolinablues
BWP Not assigned prefix
BWQ Not assigned prefix
BWR Anthem BCBS of Virginia (VA)
BWS Not assigned prefix
BWT Anthem BCBS of Virginia (VA)
BWU Wellmark
BWV Not assigned prefix
BWW Independence Blue Cross(BC) of Philadelphia(Phi) and Southeastern Pennsylvania(PA)
BWX Regence BCBS of Oregon (OR) and Utah (UT)
Regence Blue Shield (BS) of Idaho (ID) and select counties of Washington (WA)
BWY Anthem BCBS of Ohio (OH)
BWZ Anthem Blue Cross(BC) of California (CA)
BXA Anthem BCBS of Missouri (MO)
BXB BCBS of Montana (MT)
BXC Anthem BCBS of Colorado (CO)
BXD Not assigned prefix
BXE BCBS of Illinois (IL)
BXF BCBS of Western New York (WNY)
BXG BCBS of Massachusetts (MA)
BXH BCBS of Western New York (WNY)
BXI Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BXJ Not assigned prefix
BXK Not assigned prefix
BXL Blue Cross (BC) of Idaho (ID)
BXM Not assigned prefix
BXN Anthem BCBS of Maine (ME)
BXO Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BXP BCBS of Western New York (WNY)
BXQ BCBS of Illinois (IL)
BXR Anthem BCBS of Ohio (OH)
BXS Not assigned prefix
BXT BCBS of Minnesota (MN)
BXU BCBS of Massachusetts (MA)
BXV BCBS Blue Care Network Michigan (MI)
BXW Not assigned prefix
BXX Not assigned prefix
BXY Not assigned prefix
BXZ Not assigned prefix
BYA Horizon BCBS of New Jersey (NJ)
BYB Anthem BCBS of Indiana (IN)
BYC Anthem BCBS of Ohio (OH)
BYD Not assigned prefix
BYE Not assigned prefix
BYF Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BYG Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BYH Not assigned prefix
BYI Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BYJ Anthem Blue Cross(BC) of California (CA)
BYK Anthem BCBS of Indiana (IN)
BYL Not assigned prefix
BYM Anthem BCBS of Nevada (NV)
BYN Anthem BCBS of Connecticut (CT)
BYO Blue Cross (BC) of Idaho (ID)
BYP Anthem BCBS of Indiana (IN)
BYQ Regence BCBS of Oregon (OR) and Utah (UT)
Regence Blue Shield (BS) of Idaho (ID) and select counties of Washington (WA)
BYR BCBS of Illinois (IL)
BYS Capital Blue Cross of Pennsylvania (PA)
BYT Not assigned prefix
BYU Anthem BCBS of Maine (ME)
BYV Anthem BCBS of New Hampshire (NH)
BYW Regence BCBS of Oregon (OR) and Utah (UT)
Regence Blue Shield (BS) of Idaho (ID) and select counties of Washington (WA)
BYX Not assigned prefix
BYY Not assigned prefix
BYZ Anthem BCBS of Indiana (IN)
BZA Not assigned prefix
BZB Premera BCBS of Alaska (AK)
BZC Not assigned prefix
BZD Not assigned prefix
BZE Not assigned prefix
BZF Not assigned prefix
BZG Wellmark
BZH BCBS Blue Care Network Michigan (MI)
BZI Wellmark
BZJ BCBS of North Carolina (NC)
BZK Premera BCBS of Alaska (AK)
BZL Not assigned prefix
BZM Anthem BCBS of Ohio (OH)
BZN Not assigned prefix
BZO BCBS of South Carolina (SC) / Southcarolinablues
BZP BCBS of North Carolina (NC)
BZQ Not assigned prefix
BZR Wellmark
BZS BCBS of South Carolina (SC) / Southcarolinablues
BZT Blue shield(BS) of California (CA)
BZU BCBS Blue Care Network Michigan (MI)
BZV Carefirst BCBS of Maryland (MD), District of Columbia (DC) and Northern Virginia (VA)
BZW Not assigned prefix
BZX BCBS Blue Care Network Michigan (MI)
BZY Anthem BCBS of Kentucky (KY)
BZZ BCBS of North Carolina (NC)

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