BCBS Alpha Prefix List from XAA to XZZ Updated 2022

BCBS Alpha Prefix List Blue Cross Blue Shield Companies – State
XAA BCBS of Alabama (AL)
XAB BCBS of Alabama (AL)
XAC BCBS of Alabama (AL)
XAD BCBS of Alabama (AL)
XAE BCBS of Alabama (AL)
XAF BCBS of Alabama (AL)
XAG BCBS of Alabama (AL)
XAH BCBS of Arizona (AZ)
XAI BCBS of Alabama (AL)
XAJ BCBS of Alabama (AL)
XAK BCBS of Alabama (AL)
XAL BCBS of Alabama (AL)
XAM BCBS of Alabama (AL)
XAN Anthem BCBS of Missouri (MO)
XAO Blue shield(BS) of California (CA)
XAP BCBS of Alabama (AL)
XAQ BCBS of Alabama (AL)
XAR BCBS of Alabama (AL)
XAS BCBS of Alabama (AL)
XAT BCBS of Alabama (AL)
XAU Anthem BCBS of Colorado (CO)
XAV BCBS of Alabama (AL)
XAW Anthem Blue Cross(BC) of California (CA)
XAX BCBS of Alabama (AL)
XAY BCBS of Alabama (AL)
XAZ BCBS of Alabama (AL)
XBA Not assigned prefix
XBB BCBS of Arizona (AZ)
XBC BCBS of Arizona (AZ)
XBD BCBS of Arizona (AZ)
XBE Not assigned prefix
XBF BCBS of Arizona (AZ)
XBG Not assigned prefix
XBH BCBS of Arizona (AZ)
XBI Not assigned prefix
XBJ Empire BCBS of New York (NY)
XBK BCBS of Arizona (AZ)
XBL Not assigned prefix
XBM BCBS of Arizona (AZ)
XBN BCBS of Arizona (AZ)
XBO BCBS of Arizona (AZ)
XBP BCBS of Arizona (AZ)
XBQ Not assigned prefix
XBR BCBS of Arizona (AZ)
XBS BCBS of Arizona (AZ)
XBT Not assigned prefix
XBU BCBS of Arizona (AZ)
XBV Not assigned prefix
XBW Anthem BCBS of Wisconsin (WI)
XBX BCBS of Arizona (AZ)
XBY BCBS of Arizona (AZ)
XBZ Not assigned prefix
XCA Arkansas (AR) Blue Cross
XCB Arkansas (AR) Blue Cross
XCC Arkansas (AR) Blue Cross
XCD Anthem BCBS of Connecticut (CT)
XCE Not assigned prefix
XCF Arkansas (AR) Blue Cross
XCG Arkansas (AR) Blue Cross
XCH Arkansas (AR) Blue Cross
XCI BCBS of Massachusetts (MA)
XCJ Arkansas (AR) Blue Cross
XCK Arkansas (AR) Blue Cross
XCL Arkansas (AR) Blue Cross
XCM Arkansas (AR) Blue Cross
XCN Not assigned prefix
XCO BCBS of Minnesota (MN)
XCP Arkansas (AR) Blue Cross
XCQ Arkansas (AR) Blue Cross
XCR Arkansas (AR) Blue Cross
XCS Arkansas (AR) Blue Cross
XCT Anthem BCBS of Connecticut (CT)
XCU Arkansas (AR) Blue Cross
XCV Not assigned prefix
XCW Arkansas (AR) Blue Cross
XCX Arkansas (AR) Blue Cross
XCY Not assigned prefix
XCZ Not assigned prefix
XDA Anthem Blue Cross(BC) of California (CA)
XDB Anthem Blue Cross(BC) of California (CA)
XDC Anthem Blue Cross(BC) of California (CA)
XDD Anthem Blue Cross(BC) of California (CA)
XDE Anthem Blue Cross(BC) of California (CA)
XDF Anthem Blue Cross(BC) of California (CA)
XDG
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
XDH Anthem Blue Cross(BC) of California (CA)
XDI Anthem Blue Cross(BC) of California (CA)
XDJ Anthem Blue Cross(BC) of California (CA)
XDK Anthem Blue Cross(BC) of California (CA)
XDL Anthem Blue Cross(BC) of California (CA)
XDM Anthem Blue Cross(BC) of California (CA)
XDN Anthem Blue Cross(BC) of California (CA)
XDO Anthem Blue Cross(BC) of California (CA)
XDP Anthem Blue Cross(BC) of California (CA)
XDQ Anthem Blue Cross(BC) of California (CA)
XDR Anthem Blue Cross(BC) of California (CA)
XDS Anthem Blue Cross(BC) of California (CA)
XDT Anthem Blue Cross(BC) of California (CA)
XDU Anthem Blue Cross(BC) of California (CA)
XDV Anthem BCBS of Ohio (OH)
XDW Anthem Blue Cross(BC) of California (CA)
XDX Anthem Blue Cross(BC) of California (CA)
XDY Anthem BCBS of Kentucky (KY)
XDZ Anthem Blue Cross(BC) of California (CA)
XEA Blue shield(BS) of California (CA)
XEB Blue shield(BS) of California (CA)
XEC Blue shield(BS) of California (CA)
XED Blue shield(BS) of California (CA)
XEE Blue shield(BS) of California (CA)
XEF Blue shield(BS) of California (CA)
XEG Blue shield(BS) of California (CA)
XEH Blue shield(BS) of California (CA)
XEI Blue shield(BS) of California (CA)
XEJ Blue shield(BS) of California (CA)
XEK Blue shield(BS) of California (CA)
XEL Blue shield(BS) of California (CA)
XEM Blue shield(BS) of California (CA)
XEN Blue shield(BS) of California (CA)
XEO Blue shield(BS) of California (CA)
XEP Blue shield(BS) of California (CA)
XEQ Blue shield(BS) of California (CA)
XER Blue shield(BS) of California (CA)
XES Blue shield(BS) of California (CA)
XET Blue shield(BS) of California (CA)
XEU Blue shield(BS) of California (CA)
XEV Blue shield(BS) of California (CA)
XEW Blue shield(BS) of California (CA)
XEX Blue shield(BS) of California (CA)
XEY Blue shield(BS) of California (CA)
XEZ Blue shield(BS) of California (CA)
XFA Anthem BCBS of Colorado (CO)
XFB Anthem BCBS of Colorado (CO)
XFC Anthem BCBS of Colorado (CO)
XFD Anthem BCBS of Colorado (CO)
XFE Anthem BCBS of Colorado (CO)
XFF Anthem BCBS of Colorado (CO)
XFG Anthem BCBS of Colorado (CO)
XFH Anthem BCBS of Colorado (CO)
XFI Anthem BCBS of Colorado (CO)
XFJ Anthem BCBS of Colorado (CO)
XFK Anthem BCBS of Colorado (CO)
XFL Anthem BCBS of Colorado (CO)
XFM Anthem BCBS of Colorado (CO)
XFN Anthem BCBS of Colorado (CO)
XFO Anthem BCBS of Colorado (CO)
XFP Anthem BCBS of Colorado (CO)
XFQ Anthem BCBS of New Hampshire (NH)
XFR Anthem BCBS of Nevada (NV)
XFS Anthem BCBS of Colorado (CO)
XFT Anthem BCBS of Colorado (CO)
XFU Blue shield(BS) of California (CA)
XFV Not assigned prefix
XFW Anthem BCBS of Colorado (CO)
XFX Anthem BCBS of Colorado (CO)
XFY Anthem BCBS of Colorado (CO)
XFZ Anthem BCBS of Colorado (CO)
XGA Anthem BCBS of Georgia (GA)
XGB Anthem BCBS of Connecticut (CT)
XGC Anthem BCBS of Connecticut (CT)
XGD Anthem BCBS of Connecticut (CT)
XGE Anthem BCBS of Connecticut (CT)
XGF Anthem BCBS of Connecticut (CT)
XGG Anthem BCBS of Connecticut (CT)
XGH Anthem BCBS of Connecticut (CT)
XGI Anthem BCBS of Connecticut (CT)
XGJ Anthem BCBS of Connecticut (CT)
XGK Anthem BCBS of Connecticut (CT)
XGL Anthem BCBS of Connecticut (CT)
XGM Anthem BCBS of Connecticut (CT)
XGN Anthem BCBS of Connecticut (CT)
XGO Anthem BCBS of Connecticut (CT)
XGP Anthem BCBS of Connecticut (CT)
XGQ Empire BCBS of New York (NY)
XGR Anthem BCBS of Connecticut (CT)
XGS Anthem BCBS of Connecticut (CT)
XGT Anthem BCBS of Connecticut (CT)
XGU Anthem BCBS of New Hampshire (NH)
XGV Anthem BCBS of Connecticut (CT)
XGW Empire BCBS of New York (NY)
XGX Empire BCBS of New York (NY)
XGY Anthem BCBS of Connecticut (CT)
XGZ Anthem BCBS of Connecticut (CT)
XHA Highmark BCBS of Delaware (DE)
XHB Anthem BCBS of Kentucky (KY)
XHC Highmark BCBS of Delaware (DE)
XHD Highmark BCBS of Delaware (DE)
XHE Not assigned prefix
XHF Anthem BCBS of Virginia (VA)
XHG Highmark BCBS of Delaware (DE)
XHH Highmark BCBS of Delaware (DE)
XHI BCBS of Rhode Island the (RI)
XHJ Anthem BCBS of Indiana (IN)
XHK BCBS of Arizona (AZ)
XHL Anthem Blue Cross(BC) of California (CA)
XHM Not assigned prefix
XHN BCBS of Massachusetts (MA)
XHO Blue Cross (BC) of Idaho (ID)
XHP Highmark BCBS of Delaware (DE)
XHQ
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
XHR Anthem BCBS of Connecticut (CT)
XHS BCBS of Illinois (IL)
XHT Premera BCBS of Alaska (AK)
XHU Blue shield(BS) of California (CA)
XHV Anthem BCBS of New Hampshire (NH)
XHW Anthem BCBS of Georgia (GA)
XHX Anthem Blue Cross(BC) of California (CA)
XHY Anthem BCBS of Virginia (VA)
XHZ Empire BCBS of New York (NY)
XIA
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XIB
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XIC
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XID Blue Cross (BC) of Idaho (ID)
XIE
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XIF
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XIG
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XIH
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XII
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XIJ
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XIK
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XIL
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XIM
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XIN
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XIO
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XIP Anthem Blue Cross(BC) of California (CA)
XIQ
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XIR
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XIS
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XIT Not assigned prefix
XIU Not assigned prefix
XIV BCBS of Rhode Island the (RI)
XIW Anthem BCBS of Ohio (OH)
XIX Anthem BCBS of Missouri (MO)
XIY Not assigned prefix
XIZ Not assigned prefix
XJA Florida (FL) Blue
XJB Florida (FL) Blue
XJC Not assigned prefix
XJD Florida (FL) Blue
XJE Florida (FL) Blue
XJF Florida (FL) Blue
XJG Florida (FL) Blue
XJH Florida (FL) Blue
XJI Florida (FL) Blue
XJJ Florida (FL) Blue
XJK Florida (FL) Blue
XJL Florida (FL) Blue
XJM Florida (FL) Blue
XJN Florida (FL) Blue
XJO Florida (FL) Blue
XJP Florida (FL) Blue
XJQ Florida (FL) Blue
XJR Florida (FL) Blue
XJS Florida (FL) Blue
XJT Florida (FL) Blue
XJU Florida (FL) Blue
XJV Anthem BCBS of Maine (ME)
XJW Florida (FL) Blue
XJX Florida (FL) Blue
XJY Florida (FL) Blue
XJZ Florida (FL) Blue
XKA Not assigned prefix
XKB Blue shield(BS) of California (CA)
XKC BCBS of Illinois (IL)
XKD Anthem BCBS of Georgia (GA)
XKE Anthem BCBS of Georgia (GA)
XKF Anthem BCBS of Georgia (GA)
XKG Anthem BCBS of Georgia (GA)
XKH Premera BCBS of Alaska (AK)
XKI Anthem BCBS of Georgia (GA)
XKJ Anthem BCBS of Georgia (GA)
XKK Anthem BCBS of Georgia (GA)
XKL Anthem BCBS of Georgia (GA)
XKM Anthem Blue Cross(BC) of California (CA)
XKN Anthem BCBS of Georgia (GA)
XKO Anthem BCBS of Georgia (GA)
XKP Anthem BCBS of Georgia (GA)
XKQ Anthem Blue Cross(BC) of California (CA)
XKR Anthem BCBS of Georgia (GA)
XKS Anthem BCBS of Georgia (GA)
XKT Anthem BCBS of Georgia (GA)
XKU Anthem BCBS of Georgia (GA)
XKV Anthem BCBS of Georgia (GA)
XKW Anthem BCBS of Georgia (GA)
XKX Anthem BCBS of Georgia (GA)
XKY Anthem BCBS of Georgia (GA)
XKZ Anthem BCBS of Georgia (GA)
XLA Hawaii (HI) Medical Service Association (HMSA) BCBS
XLB Hawaii (HI) Medical Service Association (HMSA) BCBS
XLC Hawaii (HI) Medical Service Association (HMSA) BCBS
XLD Hawaii (HI) Medical Service Association (HMSA) BCBS
XLE Hawaii (HI) Medical Service Association (HMSA) BCBS
XLF Hawaii (HI) Medical Service Association (HMSA) BCBS
XLG Hawaii (HI) Medical Service Association (HMSA) BCBS
XLH Hawaii (HI) Medical Service Association (HMSA) BCBS
XLI Hawaii (HI) Medical Service Association (HMSA) BCBS
XLJ Anthem BCBS of Kentucky (KY)
XLK Hawaii (HI) Medical Service Association (HMSA) BCBS
XLL Hawaii (HI) Medical Service Association (HMSA) BCBS
XLM Hawaii (HI) Medical Service Association (HMSA) BCBS
XLN Hawaii (HI) Medical Service Association (HMSA) BCBS
XLO Anthem Blue Cross(BC) of California (CA)
XLP Hawaii (HI) Medical Service Association (HMSA) BCBS
XLQ Hawaii (HI) Medical Service Association (HMSA) BCBS
XLR Hawaii (HI) Medical Service Association (HMSA) BCBS
XLS BCBS of Western New York (WNY)
XLT Hawaii (HI) Medical Service Association (HMSA) BCBS
XLU Empire BCBS of New York (NY)
XLV Wellmark
XLW Hawaii (HI) Medical Service Association (HMSA) BCBS
XLX Hawaii (HI) Medical Service Association (HMSA) BCBS
XLY Hawaii (HI) Medical Service Association (HMSA) BCBS
XLZ Hawaii (HI) Medical Service Association (HMSA) BCBS
XMA Blue Cross (BC) of Idaho (ID)
XMB Blue Cross (BC) of Idaho (ID)
XMC Anthem BCBS of Maine (ME)
XMD Blue Cross (BC) of Idaho (ID)
XME Blue Cross (BC) of Idaho (ID)
XMF Blue Cross (BC) of Idaho (ID)
XMG Blue Cross (BC) of Idaho (ID)
XMH Blue Cross (BC) of Idaho (ID)
XMI Blue Cross (BC) of Idaho (ID)
XMJ Blue Cross (BC) of Idaho (ID)
XMK Blue Cross (BC) of Idaho (ID)
XML Blue Cross (BC) of Idaho (ID)
XMM Blue Cross (BC) of Idaho (ID)
XMN Blue Cross (BC) of Idaho (ID)
XMO Blue Cross (BC) of Idaho (ID)
XMP Blue Cross (BC) of Idaho (ID)
XMQ Blue Cross (BC) of Idaho (ID)
XMR Blue Cross (BC) of Idaho (ID)
XMS Blue Cross (BC) of Idaho (ID)
XMT Blue Cross (BC) of Idaho (ID)
XMU Blue Cross (BC) of Idaho (ID)
XMV Blue Cross (BC) of Idaho (ID)
XMW BCBS of Illinois (IL)
XMX Blue Cross (BC) of Idaho (ID)
XMY Blue Cross (BC) of Idaho (ID)
XMZ Wellmark
XNA Anthem BCBS of Wisconsin (WI)
XNB BCBS of Illinois (IL)
XNC BCBS of North Carolina (NC)
XND Regence BCBS
XNE Regence BCBS
XNF Regence BCBS
XNG BCBS of Western New York (WNY)
XNH Regence BCBS
XNI Not assigned prefix
XNJ Regence BCBS
XNK Blue shield(BS) of California (CA)
XNL Anthem Blue Cross(BC) of California (CA)
XNM Regence BCBS
XNN Regence BCBS
XNO Regence BCBS
XNP Regence BCBS
XNQ BCBS of Western New York (WNY)
XNR Regence BCBS
XNS Anthem BCBS of New Hampshire (NH)
XNT Not assigned prefix
XNU Empire BCBS of New York (NY)
XNV Regence BCBS
XNW Anthem BCBS of Ohio (OH)
XNX Anthem Blue Cross(BC) of California (CA)
XNY Not assigned prefix
XNZ Empire BCBS of New York (NY)
XOA BCBS of Illinois (IL)
XOB BCBS of Illinois (IL)
XOC BCBS of Illinois (IL)
XOD BCBS of Illinois (IL)
XOE BCBS of Illinois (IL)
XOF BCBS of Illinois (IL)
XOG BCBS of Illinois (IL)
XOH BCBS of Illinois (IL)
XOI Not assigned prefix
XOJ BCBS of Illinois (IL)
XOK BCBS of Illinois (IL)
XOL BCBS of Illinois (IL)
XOM BCBS of Illinois (IL)
XON BCBS of Illinois (IL)
XOO BCBS of Illinois (IL)
XOP BCBS of Illinois (IL)
XOQ BCBS of Illinois (IL)
XOR BCBS of Illinois (IL)
XOS BCBS of Illinois (IL)
XOT BCBS of Illinois (IL)
XOU BCBS of Illinois (IL)
XOV Not assigned prefix
XOW BCBS of Illinois (IL)
XOX BCBS of Illinois (IL)
XOY BCBS of Illinois (IL)
XOZ BCBS of Illinois (IL)
XPA Anthem BCBS of Indiana (IN)
XPB Anthem BCBS of Indiana (IN)
XPC Anthem BCBS of Indiana (IN)
XPD Anthem BCBS of Indiana (IN)
XPE Anthem BCBS of Indiana (IN)
XPF Anthem BCBS of Indiana (IN)
XPG Anthem BCBS of Indiana (IN)
XPH Not assigned prefix
XPI Blue shield(BS) of California (CA)
XPJ Not assigned prefix
XPK Anthem BCBS of Indiana (IN)
XPL Not assigned prefix
XPM Not assigned prefix
XPN Anthem BCBS of Ohio (OH)
XPO Blue Cross (BC) of Idaho (ID)
XPP
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
XPQ Blue Cross (BC) of Idaho (ID)
XPR Anthem BCBS of Indiana (IN)
XPS Anthem BCBS of Kentucky (KY)
XPT Not assigned prefix
XPU Anthem BCBS of Indiana (IN)
XPV Anthem BCBS of Indiana (IN)
XPW Anthem BCBS of Indiana (IN)
XPX Anthem BCBS of Indiana (IN)
XPY Not assigned prefix
XPZ Anthem BCBS of Ohio (OH)
XQA Wellmark
XQB Wellmark
XQC Wellmark
XQD Wellmark
XQE Wellmark
XQF Wellmark
XQG Wellmark
XQH Wellmark
XQI Wellmark
XQJ Wellmark
XQK Wellmark
XQL Wellmark
XQM Wellmark
XQN Wellmark
XQO Wellmark
XQP Wellmark
XQQ Wellmark
XQR Wellmark
XQS Wellmark
XQT Wellmark
XQU Wellmark
XQV Wellmark
XQW Wellmark
XQX Wellmark
XQY Wellmark
XQZ Wellmark
XRA BCBS of Massachusetts (MA)
XRB Anthem BCBS of Ohio (OH)
XRC Anthem BCBS of Indiana (IN)
XRD Blue shield(BS) of California (CA)
XRE Anthem BCBS of Ohio (OH)
XRF Not assigned prefix
XRG Anthem BCBS of Ohio (OH)
XRH Anthem BCBS of Georgia (GA)
XRI Anthem BCBS of Wisconsin (WI)
XRJ Anthem BCBS of Virginia (VA)
XRK Anthem BCBS of Virginia (VA)
XRL Anthem BCBS of Ohio (OH)
XRM Capital Blue Cross of Pennsylvania (PA)
XRN Anthem BCBS of Virginia (VA)
XRO Anthem BCBS of Ohio (OH)
XRP Anthem Blue Cross(BC) of California (CA)
XRQ Anthem BCBS of Virginia (VA)
XRR Anthem Blue Cross(BC) of California (CA)
XRS Anthem BCBS of Georgia (GA)
XRT Blue shield(BS) of California (CA)
XRU Anthem BCBS of Colorado (CO)
XRV Anthem BCBS of Ohio (OH)
XRW Anthem BCBS of Maine (ME)
XRX BCBS of Massachusetts (MA)
XRY Anthem BCBS of Connecticut (CT)
XRZ
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XSA BCBS of Kansas
XSB BCBS of Kansas
XSC Not assigned prefix
XSD BCBS of Kansas
XSE BCBS of Kansas
XSF BCBS of Kansas
XSG Not assigned prefix
XSH BCBS of Kansas
XSI Not assigned prefix
XSJ BCBS of Kansas
XSK Not assigned prefix
XSL BCBS of Kansas
XSM BCBS of Kansas
XSN BCBS of Kansas
XSO Anthem BCBS of Nevada (NV)
XSP Not assigned prefix
XSQ Not assigned prefix
XSR Not assigned prefix
XSS Not assigned prefix
XST BCBS of Kansas
XSU Anthem BCBS of Georgia (GA)
XSV BCBS of Kansas
XSW Blue shield(BS) of California (CA)
XSX BCBS of Massachusetts (MA)
XSY Anthem BCBS of Virginia (VA)
XSZ BCBS of Kansas
XTA Anthem BCBS of Kentucky (KY)
XTB Anthem BCBS of Kentucky (KY)
XTC Anthem BCBS of Kentucky (KY)
XTD Anthem BCBS of Kentucky (KY)
XTE Anthem BCBS of Kentucky (KY)
XTF Anthem BCBS of Kentucky (KY)
XTG Anthem BCBS of Kentucky (KY)
XTH Anthem BCBS of Kentucky (KY)
XTI Anthem BCBS of Kentucky (KY)
XTJ Anthem BCBS of Kentucky (KY)
XTK Anthem BCBS of Kentucky (KY)
XTL Anthem BCBS of Ohio (OH)
XTM Anthem BCBS of Connecticut (CT)
XTN Anthem BCBS of Kentucky (KY)
XTO Anthem BCBS of Virginia (VA)
XTP Anthem BCBS of Virginia (VA)
XTQ Anthem BCBS of Georgia (GA)
XTR Not assigned prefix
XTS Anthem Blue Cross(BC) of California (CA)
XTT Anthem BCBS of Colorado (CO)
XTU Anthem BCBS of Ohio (OH)
XTV Anthem BCBS of Kentucky (KY)
XTW BCBS of Illinois (IL)
XTX Wellmark
XTY BCBS of Texas (TX)
XTZ Anthem BCBS of Ohio (OH)
XUA BCBS of Louisiana(LA)
XUB BCBS of Louisiana(LA)
XUC BCBS of Louisiana(LA)
XUD BCBS of Louisiana(LA)
XUE BCBS of Louisiana(LA)
XUF BCBS of Louisiana(LA)
XUG BCBS of Louisiana(LA)
XUH BCBS of Louisiana(LA)
XUI BCBS of Louisiana(LA)
XUJ BCBS of Louisiana(LA)
XUK BCBS of Louisiana(LA)
XUL BCBS of Louisiana(LA)
XUM BCBS of Louisiana(LA)
XUN BCBS of Louisiana(LA)
XUO Anthem BCBS of Indiana (IN)
XUP BCBS of Louisiana(LA)
XUQ BCBS of Louisiana(LA)
XUR BCBS of Louisiana(LA)
XUS BCBS of Louisiana(LA)
XUT BCBS of Louisiana(LA)
XUU BCBS of Louisiana(LA)
XUV BCBS of Louisiana(LA)
XUW BCBS of Louisiana(LA)
XUX BCBS of Louisiana(LA)
XUY BCBS of Louisiana(LA)
XUZ Not assigned prefix
XVA Anthem BCBS of Maine (ME)
XVB Anthem BCBS of Maine (ME)
XVC Anthem BCBS of Maine (ME)
XVD Premera BCBS of Alaska (AK)
XVE Anthem BCBS of Maine (ME)
XVF Anthem BCBS of Maine (ME)
XVG Anthem BCBS of Maine (ME)
XVH Anthem BCBS of Maine (ME)
XVI Anthem BCBS of Maine (ME)
XVJ Anthem BCBS of Maine (ME)
XVK Not assigned prefix
XVL Anthem BCBS of Maine (ME)
XVM Anthem BCBS of Maine (ME)
XVN Not assigned prefix
XVO Not assigned prefix
XVP Anthem BCBS of Maine (ME)
XVQ Horizon BCBS of New Jersey (NJ)
XVR Anthem BCBS of Maine (ME)
XVS BCBS of Illinois (IL)
XVT Regence BCBS
XVU BCBS of Illinois (IL)
XVV Anthem BCBS of Connecticut (CT)
XVW Anthem BCBS of Maine (ME)
XVX Not assigned prefix
XVY Anthem BCBS of Georgia (GA)
XVZ Not assigned prefix
XWA Not assigned prefix
XWB Not assigned prefix
XWC
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XWD Anthem BCBS of Colorado (CO)
XWE Anthem BCBS of Missouri (MO)
XWF Anthem BCBS of Missouri (MO)
XWG Empire BCBS of New York (NY)
XWH Anthem BCBS of Wisconsin (WI)
XWI Wellmark
XWJ Anthem BCBS of Connecticut (CT)
XWK BCBS of Rhode Island the (RI)
XWL Anthem BCBS of Ohio (OH)
XWM Not assigned prefix
XWN Anthem BCBS of Connecticut (CT)
XWO
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XWP Anthem BCBS of Wisconsin (WI)
XWQ Anthem BCBS of Indiana (IN)
XWR
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XWS Wellmark
XWT Premera BCBS of Alaska (AK)
XWU Anthem BCBS of Colorado (CO)
XWV
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XWW Not assigned prefix
XWX Anthem BCBS of Colorado (CO)
XWY
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XWZ
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
XXA BCBS of Massachusetts (MA)
XXB BCBS of Massachusetts (MA)
XXC BCBS of Massachusetts (MA)
XXD BCBS of Massachusetts (MA)
XXE BCBS of Massachusetts (MA)
XXF BCBS of Massachusetts (MA)
XXG BCBS of Massachusetts (MA)
XXH BCBS of Massachusetts (MA)
XXI BCBS of Massachusetts (MA)
XXJ Anthem Blue Cross(BC) of California (CA)
XXK BCBS of Massachusetts (MA)
XXL Not assigned prefix
XXM Blue Cross Prefix BCBS of Massachusetts (MA)
XXN BCBS of Massachusetts (MA)
XXO Anthem BCBS of Indiana (IN)
XXP BCBS Prefix BCBS of Massachusetts (MA)
XXQ BCBS of Massachusetts (MA)
XXR BCBS of Massachusetts (MA)
XXS BCBS of Massachusetts (MA)
XXT BCBS of Massachusetts (MA)
XXU BCBS Prefix BCBS of Massachusetts (MA)
XXV BCBS of Massachusetts (MA)
XXW BCBS of Massachusetts (MA)
XXX Not assigned prefix
XXY BCBS of Massachusetts (MA)
XXZ BCBS Prefix BCBS of Massachusetts (MA)
XYA Anthem BCBS of Virginia (VA)
XYB BCBS Blue Care Network Michigan (MI)
XYC BCBS of Oklahoma (OK)
XYD BCBS Blue Care Network Michigan (MI)
XYE BCBS Blue Care Network Michigan (MI)
XYF BCBS Blue Care Network Michigan (MI)
XYG BCBS Blue Care Network Michigan (MI)
XYH BCBS Blue Care Network Michigan (MI)
XYI Not assigned prefix
XYJ BCBS Blue Care Network Michigan (MI)
XYK BCBS Blue Care Network Michigan (MI)
XYL BCBS Prefix BCBS Blue Care Network Michigan (MI)
XYM Regence BCBS
XYN Anthem BCBS of Connecticut (CT)
XYO Anthem Blue Cross(BC) of California (CA)
XYP BCBS Blue Care Network Michigan (MI)
XYQ BCBS Blue Care Network Michigan (MI)
XYR BCBS Blue Care Network Michigan (MI)
XYS BCBS Blue Care Network Michigan (MI)
XYT BCBS of Illinois (IL)
XYU BCBS Blue Care Network Michigan (MI)
XYV BCBS Blue Care Network Michigan (MI)
XYW BCBS Blue Care Network Michigan (MI)
XYX BCBS Blue Care Network Michigan (MI)
XYY BCBS Blue Care Network Michigan (MI)
XYZ Anthem BCBS of Connecticut (CT)
XZA BCBS of Minnesota (MN)
XZB Not assigned prefix
XZC BCBS of Minnesota (MN)
XZD BCBS of Minnesota (MN)
XZE BCBS of Minnesota (MN)
XZF Not assigned prefix
XZG Not assigned prefix
XZH BCBS of Minnesota (MN)
XZI Not assigned prefix
XZJ Not assigned prefix
XZK Not assigned prefix
XZL BCBS of Minnesota (MN)
XZM Not assigned prefix
XZN Not assigned prefix
XZO Not assigned prefix
XZP Not assigned prefix
XZQ BCBS of Minnesota (MN)
XZR BCBS of Minnesota (MN)
XZS Not assigned prefix
XZT Not assigned prefix
XZU BCBS of Minnesota (MN)
XZV Not assigned prefix
XZW Not assigned prefix
XZX BCBS of Minnesota (MN)
XZY Not assigned prefix
XZZ Not assigned prefix

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