BCBS Alpha Prefix List from EAA to EZZ Updated (2022)

BCBS Alpha Prefix List of “E”-series Blue Cross Blue Shield insurance Companies – Statewise
EAA Not assigned prefix
EAB BCBS of Kansas City
EAC Anthem BCBS of Virginia (VA)
EAD BCBS of Illinois (IL)
EAE Regence BCBS
EAF BCBS of Massachusetts (MA)
EAG Capital Blue Cross of Pennsylvania (PA)
EAH BCBS of Alabama (AL)
EAI Not assigned prefix
EAJ Not assigned prefix
EAK Anthem BCBS of Ohio (OH)
EAL Anthem BCBS of Connecticut (CT)
EAM BCBS of Alabama (AL)
EAN Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EAO Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EAP Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EAQ Florida (FL) Blue
EAR Not assigned prefix
EAS Blue shield(BS) of California (CA)
EAT BCBS of Texas (TX)
EAU Not assigned prefix
EAV BCBS of Texas (TX)
EAW Not assigned prefix
EAX Not assigned prefix
EAY BCBS of Texas (TX)
EAZ BCBS of Arizona (AZ)
EBA Anthem Blue Cross(BC) of California (CA)
EBB Not assigned prefix
EBC BCBS of Texas (TX)
EBD Wellmark
EBE Not assigned prefix
EBF Not assigned prefix
EBG BCBS of Kansas City
EBH Capital Blue Cross of Pennsylvania (PA)
EBI BCBS of Alabama (AL)
EBJ Anthem BCBS of Wisconsin (WI)
EBK Wellmark
EBL Wellmark
EBM Not assigned prefix
EBN Empire BCBS of New York (NY)
EBO Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EBP Not assigned prefix
EBQ BCBS of Illinois (IL)
EBR Wellmark
EBS Not assigned prefix
EBT BCBS of Louisiana (LA)
EBU Highmark BCBS of Pennsylvania (PA)
EBV Anthem Blue Cross(BC) of California (CA)
EBW BCBS of Tennessee (TN)
EBX Wellmark
EBY BCBS of Illinois (IL)
EBZ Blue shield(BS) of California (CA)
ECA Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ECB BCBS of Alabama (AL)
ECC BCBS of Tennessee (TN)
ECD Blue shield(BS) of Northeastern New York (NeNY)
ECE BCBS of Mississippi (MS)
ECF Not assigned prefix
ECG Anthem BCBS of Wisconsin (WI)
ECH Anthem BCBS of Ohio (OH)
ECI Not assigned prefix
ECJ Anthem BCBS of Ohio (OH)
ECK BCBS of North Carolina (NC)
ECL Anthem BCBS of Ohio (OH)
ECM Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ECN Anthem BCBS of Missouri (MO)
ECO BCBS of Illinois (IL)
ECP BCBS of Texas (TX)
ECQ Not assigned prefix
ECR Anthem BCBS of Ohio (OH)
ECS Anthem BCBS of Ohio (OH)
ECT Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ECU Blue Cross (BC) of Idaho (ID)
ECV Anthem BCBS of Ohio (OH)
ECW Not assigned prefix
ECX BCBS of Minnesota (MN)
ECY BCBS of Texas (TX)
ECZ BCBS of Texas (TX)
EDA Anthem BCBS of Georgia (GA)
EDB Anthem BCBS of Ohio (OH)
EDC Florida (FL) Blue
EDD Anthem BCBS of Georgia (GA)
EDE Not assigned prefix
EDF Anthem BCBS of Wisconsin (WI)
EDG Capital Blue Cross of Pennsylvania (PA)
EDH Blue Cross (BC) of Idaho (ID)
EDI Blue shield(BS) of California (CA)
EDJ BCBS of Illinois (IL)
EDK Not assigned prefix
EDL Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EDM Premera BCBS of Alaska (AK)
EDN Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EDO Arkansas (AR) Blue Cross
EDP BCBS Blue Care Network Michigan (MI)
EDQ Not assigned prefix
EDR Not assigned prefix
EDS Florida (FL) Blue
EDT Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EDU BCBS of Alabama (AL)
EDV Florida (FL) Blue
EDW Anthem BCBS of Ohio (OH)
EDX BCBS of Texas (TX)
EDY Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EDZ BCBS of Massachusetts (MA)
EEA Not assigned prefix
EEB Florida (FL) Blue
EEC BCBS of Illinois (IL)
EED BCBS of Illinois (IL)
EEE Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EEF BCBS of Minnesota (MN)
EEG BCBS of Alabama (AL)
EEH Not assigned prefix
EEI Not assigned prefix
EEJ BCBS of Illinois (IL)
EEK Not assigned prefix
EEL BCBS of North Carolina (NC)
EEM Not assigned prefix
EEN Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
EEO Blue shield(BS) of California (CA)
EEP Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EEQ Wellmark
EER Blue shield(BS) of California (CA)
EES Florida (FL) Blue
EET Not assigned prefix
EEU Anthem BCBS of Ohio (OH)
EEV Not assigned prefix
EEW Anthem BCBS of Wisconsin (WI)
EEX Capital Blue Cross of Pennsylvania (PA)
EEY Empire BCBS of New York (NY)
EEZ BCBS of Illinois (IL)
EFA Anthem Blue Cross(BC) of California (CA)
EFB Not assigned prefix
EFC Wellmark
EFD Blue shield(BS) of California (CA)
EFE Not assigned prefix
EFF Not assigned prefix
EFG BCBS of Minnesota (MN)
EFH Not assigned prefix
EFI Highmark BCBS of Pennsylvania (PA)
EFJ BCBS of Massachusetts (MA)
EFK Wellmark
EFL BCBS of Texas (TX)
EFM Anthem BCBS of Colorado (CO)
EFN Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EFO Not assigned prefix
EFP Anthem BCBS of Georgia (GA)
EFQ BCBS of Massachusetts (MA)
EFR Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EFS BCBS of South Carolina (SC) / Southcarolinablues
EFT Not assigned prefix
EFU Anthem BCBS of Virginia (VA)
EFV Not assigned prefix
EFW Anthem Blue Cross(BC) of California (CA)
EFX Wellmark
EFY Not assigned prefix
EFZ BCBS of Illinois (IL)
EGA BCBS of Illinois (IL)
EGB Highmark BCBS of Pennsylvania (PA)
EGC Not assigned prefix
EGD Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
EGE Not assigned prefix
EGF Anthem BCBS of Ohio (OH)
EGG Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EGH Not assigned prefix
EGI Wellmark
EGJ Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EGK Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EGL Anthem BCBS of Missouri (MO)
EGM BCBS of Texas (TX)
EGN Premera BCBS of Alaska (AK)
EGO Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
EGP Blue shield(BS) of California (CA)
EGQ Not assigned prefix
EGR BCBS of Texas (TX)
EGS Not assigned prefix
EGT Not assigned prefix
EGU Regence BCBS
EGV Not assigned prefix
EGW Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EGX Not assigned prefix
EGY Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EGZ Premera BCBS of Alaska (AK)
EHA Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EHB Not assigned prefix
EHC Not assigned prefix
EHD Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EHE Not assigned prefix
EHF Anthem BCBS of Connecticut (CT)
EHG Anthem BCBS of Maine (ME)
EHH Anthem BCBS of New Hampshire (NH)
EHI BCBS of Illinois (IL)
EHJ BCBS of Massachusetts (MA)
EHK Anthem BCBS of New Hampshire (NH)
EHL Not assigned prefix
EHM Blue shield(BS) of California (CA)
EHN BCBS of Nebraska (NE)
EHO Horizon BCBS of New Jersey (NJ)
EHP BCBS of Illinois (IL)
EHQ Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EHR Not assigned prefix
EHS Blue shield(BS) of California (CA)
EHT Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EHU Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EHV Not assigned prefix
EHW Not assigned prefix
EHX Not assigned prefix
EHY BCBS of Illinois (IL)
EHZ Not assigned prefix
EIA Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EIB BCBS of Alabama (AL)
EIC Not assigned prefix
EID Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EIE Not assigned prefix
EIF Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EIG Not assigned prefix
EIH Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EII BCBS of South Carolina (SC) / Southcarolinablues
EIJ Not assigned prefix
EIK Not assigned prefix
EIL BCBS of North Carolina (NC)
EIM Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
EIN Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EIO Not assigned prefix
EIP Not assigned prefix
EIQ Premera BCBS of Alaska (AK)
EIR Highmark BCBS of Pennsylvania (PA)
EIS Blue shield(BS) of California (CA)
EIT Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EIU BCBS of Illinois (IL)
EIV BCBS of South Carolina (SC) / Southcarolinablues
EIW BCBS Blue Care Network Michigan (MI)
EIX BCBS of Alabama (AL)
EIY Blue shield(BS) of California (CA)
EIZ Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
EJA Anthem BCBS of Wisconsin (WI)
EJB Anthem BCBS of Colorado (CO)
EJC BCBS of Texas (TX)
EJD Not assigned prefix
EJE BCBS Blue Care Network Michigan (MI)
EJF Not assigned prefix
EJG Not assigned prefix
EJH Not assigned prefix
EJI BCBS Blue Care Network Michigan (MI)
EJJ Anthem Blue Cross(BC) of California (CA)
EJK Anthem Blue Cross(BC) of California (CA)
EJL BCBS of Mississippi (MS)
EJM Anthem BCBS of Missouri (MO)
EJN Anthem Blue Cross(BC) of California (CA)
EJO Not assigned prefix
EJP BCBS of Minnesota (MN)
EJQ Anthem Blue Cross(BC) of California (CA)
EJR Not assigned prefix
EJS Not assigned prefix
EJT BCBS of Texas (TX)
EJU Anthem Blue Cross(BC) of California (CA)
EJV Anthem Blue Cross(BC) of California (CA)
EJW BCBS Blue Care Network Michigan (MI)
EJX BCBS of Arizona (AZ)
EJY BCBS of Arizona (AZ)
EJZ BCBS of Tennessee (TN)
EKA Not assigned prefix
EKB Wellmark
EKC Anthem BCBS of Ohio (OH)
EKD Not assigned prefix
EKE BCBS of Texas (TX)
EKF Florida (FL) Blue
EKG Wellmark
EKH BCBS of New Mexico (NM)
EKI Not assigned prefix
EKJ BCBS of South Carolina (SC) / Southcarolinablues
EKK BCBS of Minnesota (MN)
EKL BCBS of Kansas City
EKM Anthem BCBS of Ohio (OH)
EKN Premera BCBS of Alaska (AK)
EKO Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EKP BCBS of South Carolina (SC) / Southcarolinablues
EKQ Not assigned prefix
EKR Not assigned prefix
EKS Highmark BCBS of Pennsylvania (PA)
EKT Blue shield(BS) of California (CA)
EKU Anthem BCBS of Ohio (OH)
EKV Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EKW Not assigned prefix
EKX Wellmark
EKY Anthem BCBS of Ohio (OH)
EKZ Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ELA BCBS of Minnesota (MN)
ELB BCBS of Texas (TX)
ELC Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ELD Anthem BCBS of Ohio (OH)
ELE BCBS of Texas (TX)
ELF Anthem BCBS of Wisconsin (WI)
ELG BCBS of Minnesota (MN)
ELH Anthem BCBS of Connecticut (CT)
ELI BCBS of Massachusetts (MA)
ELJ Not assigned prefix
ELK Wellmark
ELL Not assigned prefix
ELM BCBS of Illinois (IL)
ELN Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ELO BCBS of South Carolina (SC) / Southcarolinablues
ELP BCBS of Minnesota (MN)
ELQ Anthem BCBS of Missouri (MO)
ELR Not assigned prefix
ELS Not assigned prefix
ELT BCBS of Illinois (IL)
ELU Not assigned prefix
ELV BCBS of South Carolina (SC) / Southcarolinablues
ELW Anthem BCBS of Missouri (MO)
ELX Wellmark
ELY Anthem BCBS of Ohio (OH)
ELZ Anthem BCBS of Kentucky (KY)
EMA Florida (FL) Blue
EMB Anthem BCBS of Ohio (OH)
EMC Not assigned prefix
EMD Wellmark
EME Wellmark
EMF Blue shield(BS) of California (CA)
EMG Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EMH Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
EMI Anthem BCBS of Indiana (IN)
EMJ Anthem BCBS of Ohio (OH)
EMK BCBS of South Carolina (SC) / Southcarolinablues
EML Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EMM Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EMN Highmark BCBS of Pennsylvania (PA)
EMO BCBS of Louisiana (LA)
EMP BCBS of Illinois (IL)
EMQ BCBS of Alabama (AL)
EMR BCBS of Alabama (AL)
EMS Anthem BCBS of Georgia (GA)
EMT Anthem Blue Cross(BC) of California (CA)
EMU Anthem BCBS of Ohio (OH)
EMV BCBS of Alabama (AL)
EMW BCBS Blue Care Network Michigan (MI)
EMX Not assigned prefix
EMY Premera BCBS of Alaska (AK)
EMZ Anthem BCBS of Indiana (IN)
ENA Anthem Blue Cross(BC) of California (CA)
ENB Florida (FL) Blue
ENC Anthem BCBS of Virginia (VA)
END BCBS of Oklahoma (OK)
ENE Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ENF BCBS of Texas (TX)
ENG Wellmark
ENH Not assigned prefix
ENI Not assigned prefix
ENJ Not assigned prefix
ENK Not assigned prefix
ENL BCBS of Massachusetts (MA)
ENM Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ENN BCBS of South Carolina (SC) / Southcarolinablues
ENO Anthem BCBS of Kentucky (KY)
ENP Not assigned prefix
ENQ Wellmark
ENR Not assigned prefix
ENS Capital Blue Cross of Pennsylvania (PA)
ENT BCBS of Texas (TX)
ENU BCBS of Alabama (AL)
ENV Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ENW Not assigned prefix
ENX Blue Cross (BC) of Idaho (ID)
ENY Anthem BCBS of Wisconsin (WI)
ENZ BCBS of Illinois (IL)
EOA Anthem BCBS of Ohio (OH)
EOB Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EOC Blue shield(BS) of California (CA)
EOD Highmark BCBS of Pennsylvania (PA)
EOE Blue Cross (BC) of Idaho (ID)
EOF Capital Blue Cross of Pennsylvania (PA)
EOG Anthem BCBS of Missouri (MO)
EOH Anthem BCBS of Georgia (GA)
EOI Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EOJ BCBS Blue Care Network Michigan (MI)
EOK Wellmark
EOL Not assigned prefix
EOM Highmark BCBS of Pennsylvania (PA)
EON Not assigned prefix
EOO Not assigned prefix
EOP Anthem BCBS of Georgia (GA)
EOQ Not assigned prefix
EOR Not assigned prefix
EOS Not assigned prefix
EOT BCBS of South Carolina (SC) / Southcarolinablues
EOU Wellmark
EOV BCBS Blue Care Network Michigan (MI)
EOW Not assigned prefix
EOX Premera BCBS of Alaska (AK)
EOY Florida (FL) Blue
EOZ Not assigned prefix
EPA Anthem BCBS of Ohio (OH)
EPB Not assigned prefix
EPC Anthem BCBS of Missouri (MO)
EPD BCBS Blue Care Network Michigan (MI)
EPE Blue Cross (BC) of Idaho (ID)
EPF Blue shield(BS) of California (CA)
EPG Blue shield(BS) of California (CA)
EPH BCBS of South Carolina (SC) / Southcarolinablues
EPI Not assigned prefix
EPJ Not assigned prefix
EPK BCBS of Tennessee (TN)
EPL Anthem BCBS of Missouri (MO)
EPM Blue shield(BS) of Northeastern New York (NeNY)
EPN BCBS Prefix BCBS of Texas (TX)
EPO Blue shield(BS) of California (CA)
EPP Not assigned prefix
EPQ Capital Blue Cross of Pennsylvania (PA)
EPR Not assigned prefix
EPS Not assigned prefix
EPT BCBS of Alabama (AL)
EPU Not assigned prefix
EPV BCBS of Massachusetts (MA)
EPW Not assigned prefix
EPX Not assigned prefix
EPY Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EPZ Not assigned prefix
EQA Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EQB BCBS of Alabama (AL)
EQC Blue shield(BS) of California (CA)
EQD Not assigned prefix
EQE BCBS of Nebraska (NE)
EQF BCBS of Western New York (WNY)
EQG BCBS of Tennessee (TN)
EQH Not assigned prefix
EQI Not assigned prefix
EQJ Not assigned prefix
EQK Anthem BCBS of Indiana (IN)
EQL BCBS of Western New York (WNY)
EQM BCBS of Massachusetts (MA)
EQN Florida (FL) Blue
EQO Florida (FL) Blue
EQP Empire BCBS of New York (NY)
EQQ Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EQR BCBS of Western New York (WNY)
EQS Not assigned prefix
EQT Anthem BCBS of Ohio (OH)
EQU BCBS of Texas (TX)
EQV Empire BCBS of New York (NY)
EQW Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EQX BCBS of Louisiana (LA)
EQY Anthem Blue Cross(BC) of California (CA)
EQZ BCBS of Minnesota (MN)
ERA BCBS of Western New York (WNY)
ERB Not assigned prefix
ERC Regence BCBS
ERD Florida (FL) Blue
ERE Premera BCBS of Alaska (AK)
ERF Not assigned prefix
ERG BCBS of Alabama (AL)
ERH BCBS of Massachusetts (MA)
ERI Not assigned prefix
ERJ BCBS of South Carolina (SC) / Southcarolinablues
ERK BCBS of Massachusetts (MA)
ERL Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ERM Not assigned prefix
ERN Anthem BCBS of Ohio (OH)
ERO BCBS of South Carolina (SC) / Southcarolinablues
ERP Capital Blue Cross of Pennsylvania (PA)
ERQ Not assigned prefix
ERR Arkansas (AR) Blue Cross
ERS Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ERT Wellmark
ERU Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ERV BCBS of Rhode Island the (RI)
ERW Wellmark
ERX Blue shield(BS) of California (CA)
ERY Anthem BCBS of Ohio (OH)
ERZ Not assigned prefix
ESA Not assigned prefix
ESB BCBS Blue Care Network Michigan (MI)
ESC Not assigned prefix
ESD BCBS of Massachusetts (MA)
ESE Anthem BCBS of Ohio (OH)
ESF Blue shield(BS) of California (CA)
ESG BCBS of Texas (TX)
ESH Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ESI Capital Blue Cross of Pennsylvania (PA)
ESJ Not assigned prefix
ESK Wellmark
ESL Florida (FL) Blue
ESM Anthem BCBS of Missouri (MO)
ESN Anthem BCBS of Wisconsin (WI)
ESO Regence BCBS
ESP Not assigned prefix
ESQ Wellmark
ESR Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ESS BCBS of Massachusetts (MA)
EST BCBS of Western New York (WNY)
ESU Blue shield(BS) of California (CA)
ESV Blue shield(BS) of California (CA)
ESW Blue shield(BS) of California (CA)
ESX Wellmark
ESY Not assigned prefix
ESZ BCBS of Tennessee (TN)
ETA BCBS of Illinois (IL)
ETB BCBS of Minnesota (MN)
ETC Anthem BCBS of Virginia (VA)
ETD Not assigned prefix
ETE Premera BCBS of Alaska (AK)
ETF Anthem BCBS of Georgia (GA)
ETG BCBS of Illinois (IL)
ETH Not assigned prefix
ETI Anthem BCBS of Missouri (MO)
ETJ Anthem BCBS of Georgia (GA)
ETK Anthem BCBS of Wisconsin (WI)
ETL Blue shield(BS) of Northeastern New York (NeNY)
ETM Highmark BCBS of Pennsylvania (PA)
ETN Not assigned prefix
ETO Not assigned prefix
ETP Anthem BCBS of Georgia (GA)
ETQ BCBS of Kansas City
ETR BCBS Prefix Empire BCBS of New York (NY)
ETS BCBS of Massachusetts (MA)
ETT Highmark BCBS of Pennsylvania (PA)
ETU BCBS of Massachusetts (MA)
ETV Anthem BCBS of Missouri (MO)
ETW Not assigned prefix
ETX Florida (FL) Blue
ETY Not assigned prefix
ETZ Anthem BCBS of Georgia (GA)
EUA Anthem Blue Cross(BC) of California (CA)
EUB Not assigned prefix
EUC Anthem BCBS of Ohio (OH)
EUD BCBS of Louisiana (LA)
EUE Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EUF Regence BCBS
EUG Not assigned prefix
EUH BCBS of Illinois (IL)
EUI Not assigned prefix
EUJ Wellmark
EUK BCBS of Illinois (IL)
EUL Not assigned prefix
EUM BCBS of Vermont (VT)
EUN Blue shield(BS) of California (CA)
EUO BCBS of South Carolina (SC) / Southcarolinablues
EUP Not assigned prefix
EUQ Not assigned prefix
EUR BCBS of Nebraska (NE)
EUS Florida (FL) Blue
EUT Not assigned prefix
EUU Florida (FL) Blue
EUV BCBS Blue Care Network Michigan (MI)
EUW Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EUX Not assigned prefix
EUY Anthem BCBS of Georgia (GA)
EUZ Not assigned prefix
EVA Not assigned prefix
EVB Not assigned prefix
EVC BCBS of Massachusetts (MA)
EVD Not assigned prefix
EVE BCBS of North Carolina (NC)
EVF BCBS of Alabama (AL)
EVG Not assigned prefix
EVH Wellmark
EVI Arkansas (AR) Blue Cross
EVJ Not assigned prefix
EVK Wellmark
EVL Anthem BCBS of Georgia (GA)
EVM Anthem BCBS of Missouri (MO)
EVN Regence BCBS
EVO Blue shield(BS) of California (CA)
EVP BCBS of South Carolina (SC) / Southcarolinablues
EVQ Anthem BCBS of Colorado (CO)
EVR Anthem Blue Cross(BC) of California (CA)
EVS BCBS of South Carolina (SC) / Southcarolinablues
EVT BCBS of Vermont (VT)
EVU Not assigned prefix
EVV Not assigned prefix
EVW Not assigned prefix
EVX BCBS of Massachusetts (MA)
EVY Not assigned prefix
EVZ Not assigned prefix
EWA Anthem BCBS of Ohio (OH)
EWB Anthem BCBS of Ohio (OH)
EWC Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EWD Not assigned prefix
EWE Not assigned prefix
EWF Empire BCBS of New York (NY)
EWG Anthem BCBS of Ohio (OH)
EWH Wellmark
EWI Not assigned prefix
EWJ Anthem Blue Cross(BC) of California (CA)
EWK Not assigned prefix
EWL Not assigned prefix
EWM Anthem BCBS of Ohio (OH)
EWN Not assigned prefix
EWO BCBS of South Carolina (SC) / Southcarolinablues
EWP Anthem BCBS of Missouri (MO)
EWQ Anthem BCBS of Connecticut (CT)
EWR Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
EWS Horizon BCBS of New Jersey (NJ)
EWT Anthem BCBS of Georgia (GA)
EWU Anthem BCBS of Connecticut (CT)
EWV Not assigned prefix
EWW Anthem BCBS of Ohio (OH)
EWX BCBS of Arizona (AZ)
EWY Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EWZ Anthem Blue Cross(BC) of California (CA)
EXA Arkansas (AR) Blue Cross
EXB Not assigned prefix
EXC Anthem BCBS of Ohio (OH)
EXD Premera BCBS of Alaska (AK)
EXE Anthem BCBS of Georgia (GA)
EXF Anthem BCBS of Missouri (MO)
EXG Not assigned prefix
EXH Anthem BCBS of Ohio (OH)
EXI Anthem BCBS of Ohio (OH)
EXJ Empire BCBS of New York (NY)
EXK Anthem BCBS of Ohio (OH)
EXL Empire BCBS of New York (NY)
EXM Anthem BCBS of Missouri (MO)
EXN BCBS of Texas (TX)
EXO Not assigned prefix
EXP Wellmark
EXQ Anthem Blue Cross(BC) of California (CA)
EXR Not assigned prefix
EXS BCBS of Illinois (IL)
EXT Anthem BCBS of Virginia (VA)
EXU BCBS of Massachusetts (MA)
EXV Not assigned prefix
EXW Not assigned prefix
EXX BCBS Prefix Arkansas (AR) Blue Cross
EXY BCBS of Massachusetts (MA)
EXZ Premera BCBS of Alaska (AK)
EYA BCBS of Massachusetts (MA)
EYB Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EYC Not assigned prefix
EYD Anthem BCBS of Connecticut (CT)
EYE Wellmark
EYF Wellmark
EYG Not assigned prefix
EYH Anthem BCBS of Ohio (OH)
EYI Anthem BCBS of Georgia (GA)
EYJ Florida (FL) Blue
EYK Wellmark
EYL Horizon BCBS of New Jersey (NJ)
EYM Not assigned prefix
EYN BCBS of Minnesota (MN)
EYO Anthem BCBS of Georgia (GA)
EYP Wellmark
EYQ BCBS of South Carolina (SC) / Southcarolinablues
EYR BCBS of Illinois (IL)
EYS Not assigned prefix
EYT Not assigned prefix
EYU Anthem BCBS of Ohio (OH)
EYV Blue Cross (BC) of Idaho (ID)
EYW Not assigned prefix
EYX Not assigned prefix
EYY Capital Blue Cross of Pennsylvania (PA)
EYZ BCBS of Tennessee (TN)
EZA BCBS of Oklahoma (OK)
EZB Regence BCBS
EZC Anthem BCBS of Wisconsin (WI)
EZD Premera BCBS of Alaska (AK)
EZE Anthem BCBS of Missouri (MO)
EZF Capital Blue Cross of Pennsylvania (PA)
EZG BCBS of Texas (TX)
EZH Not assigned prefix
EZI Not assigned prefix
EZJ Anthem BCBS of Georgia (GA)
EZK Anthem BCBS of Georgia (GA)
EZL Not assigned prefix
EZM Anthem BCBS of Indiana (IN)
EZN BCBS of Louisiana (LA)
EZO Capital Blue Cross of Pennsylvania (PA)
EZP Not assigned prefix
EZQ BCBS of South Carolina (SC) / Southcarolinablues
EZR Anthem BCBS of Missouri (MO)
EZS Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
EZT Anthem Blue Cross(BC) of California (CA)
EZU BCBS of South Carolina (SC) / Southcarolinablues
EZV BCBS Prefix Anthem BCBS of Ohio (OH)
EZW BCBS of Louisiana (LA)
EZX Not assigned prefix
EZY BCBS of Alabama (AL)
EZZ Wellmark

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