BCBS Alpha Prefix List from ZAA to ZZZ Updated 2022

BCBS Alpha Prefix List of “Z”-series Blue Cross Blue Shield insurance Companies – Statewise
ZAA
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ZAB Highmark BCBS of Pennsylvania (PA)
ZAC
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ZAD
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ZAE
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ZAF
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ZAG
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ZAH Highmark BCBS of Pennsylvania (PA)
ZAI Highmark BCBS of Pennsylvania (PA)
ZAJ Highmark BCBS of Pennsylvania (PA)
ZAK Highmark BCBS of Pennsylvania (PA)
ZAL Highmark BCBS of Pennsylvania (PA)
ZAM Highmark BCBS of Pennsylvania (PA)
ZAN Highmark BCBS of Pennsylvania (PA)
ZAO Highmark BCBS of Pennsylvania (PA)
ZAP
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ZAQ Highmark BCBS of Pennsylvania (PA)
ZAR Highmark BCBS of Pennsylvania (PA)
ZAS
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ZAT
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ZAU Highmark BCBS of Pennsylvania (PA)
ZAV
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ZAW Not assigned prefix
ZAX
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ZAY Highmark BCBS of Pennsylvania (PA)
ZAZ Highmark BCBS of Pennsylvania (PA)
ZBA BCBS of Rhode Island the (RI)
ZBB BCBS of Massachusetts (MA)
ZBC Anthem BCBS of Virginia (VA)
ZBD BCBS of Rhode Island the (RI)
ZBE BCBS of Rhode Island the (RI)
ZBF BCBS of Rhode Island the (RI)
ZBG BCBS of Rhode Island the (RI)
ZBH BCBS of Rhode Island the (RI)
ZBI BCBS of Rhode Island the (RI)
ZBJ Not assigned prefix
ZBK Regence BCBS
ZBL Blue Shield (BS) of California
ZBM BCBS of Rhode Island the (RI)
ZBN BCBS of Rhode Island the (RI)
ZBO BCBS of Rhode Island the (RI)
ZBP BCBS of Rhode Island the (RI)
ZBQ Anthem BCBS of Ohio (OH)
ZBR BCBS of Rhode Island the (RI)
ZBS BCBS of Rhode Island the (RI)
ZBT Regence BCBS
ZBU BCBS of Illinois (IL)
ZBV Anthem BCBS of Wisconsin (WI)
ZBW Wellmark
ZBX Anthem Blue Cross(BC) of California (CA)
ZBY BCBS of Minnesota (MN)
ZBZ Anthem BCBS of Wisconsin (WI)
ZCA BCBS of South Carolina (SC) / Southcarolinablues
ZCB BCBS of Costa Rica (CR)
ZCC BCBS of South Carolina (SC) / Southcarolinablues
ZCD Not assigned prefix
ZCE BCBS of South Carolina (SC) / Southcarolinablues
ZCF BCBS of South Carolina (SC) / Southcarolinablues
ZCG Not assigned prefix
ZCH BCBS of South Carolina (SC) / Southcarolinablues
ZCI Anthem BCBS of Kentucky (KY)
ZCJ BCBS of South Carolina (SC) / Southcarolinablues
ZCK BCBS of South Carolina (SC) / Southcarolinablues
ZCL BCBS of South Carolina (SC) / Southcarolinablues
ZCM Not assigned prefix
ZCN BCBS of South Carolina (SC) / Southcarolinablues
ZCO BCBS of South Carolina (SC) / Southcarolinablues
ZCP BCBS of South Carolina (SC) / Southcarolinablues
ZCQ Not assigned prefix
ZCR Not assigned prefix
ZCS BCBS of South Carolina (SC) / Southcarolinablues
ZCT Not assigned prefix
ZCU BCBS of South Carolina (SC) / Southcarolinablues
ZCV BCBS of South Carolina (SC) / Southcarolinablues
ZCW BCBS of South Carolina (SC) / Southcarolinablues
ZCX BCBS of South Carolina (SC) / Southcarolinablues
ZCY BCBS of South Carolina (SC) / Southcarolinablues
ZCZ BCBS of South Carolina (SC) / Southcarolinablues
ZDA Blue Shield (BS) of California
ZDB Blue Shield (BS) of California
ZDC Not assigned prefix
ZDD Anthem BCBS of Kentucky (KY)
ZDE Anthem BCBS of Nevada (NV)
ZDF Not assigned prefix
ZDG Anthem BCBS of Nevada (NV)
ZDH Anthem BCBS of Ohio (OH)
ZDI Anthem Blue Cross(BC) of California (CA)
ZDJ Anthem BCBS of Ohio (OH)
ZDK Blue Shield (BS) of California
ZDL BCBS of Illinois (IL)
ZDM BCBS of Western New York (WNY)
ZDN Not assigned prefix
ZDO Anthem Blue Cross(BC) of California (CA)
ZDP Empire BCBS of New York (NY)
ZDQ BCBS of Western New York (WNY)
ZDR Not assigned prefix
ZDS Anthem BCBS of Virginia (VA)
ZDT Wellmark
ZDU Wellmark
ZDV Regence BCBS
ZDW Empire BCBS of New York (NY)
ZDX Anthem BCBS of Connecticut (CT)
ZDY Blue Shield (BS) of California
ZDZ Not assigned prefix
ZEA BCBS of Tennessee (TN)
ZEB BCBS of Tennessee (TN)
ZEC BCBS of Tennessee (TN)
ZED BCBS of Tennessee (TN)
ZEE BCBS of Tennessee (TN)
ZEF Wellmark
ZEG BCBS of Illinois (IL)
ZEH BCBS of Tennessee (TN)
ZEI Anthem Blue Cross(BC) of California (CA)
ZEJ BCBS of Tennessee (TN)
ZEK BCBS of Tennessee (TN)
ZEL Not assigned prefix
ZEM BCBS of Tennessee (TN)
ZEN BCBS of Tennessee (TN)
ZEO Anthem Blue Cross(BC) of California (CA)
ZEP Not assigned prefix
ZEQ Anthem Blue Cross(BC) of California (CA)
ZER BCBS of Tennessee (TN)
ZES BCBS of Tennessee (TN)
ZET BCBS of Tennessee (TN)
ZEU BCBS of Tennessee (TN)
ZEV BCBS of Tennessee (TN)
ZEW BCBS of Tennessee (TN)
ZEX BCBS of Tennessee (TN)
ZEY Not assigned prefix
ZEZ Anthem BCBS of Wisconsin (WI)
ZFA Anthem BCBS of Missouri (MO)
ZFB Anthem BCBS of Missouri (MO)
ZFC BCBS of Illinois (IL)
ZFD BCBS of Alabama (AL)
ZFE Anthem BCBS of Georgia (GA)
ZFF Premera Blue Cross (BC) of Alaska (AK)
ZFG BCBS of Minnesota (MN)
ZFH Anthem BCBS of Wisconsin (WI)
ZFI BCBS Blue Care Network Michigan (MI)
ZFJ Not assigned prefix
ZFK Not assigned prefix
ZFL Blue Shield (BS) of California
ZFM BCBS of Western New York (WNY)
ZFN BCBS of Illinois (IL)
ZFO Anthem Blue Cross(BC) of California (CA)
ZFP Anthem BCBS of Missouri (MO)
ZFQ Anthem Blue Cross(BC) of California (CA)
ZFR BCBS of Illinois (IL)
ZFS
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ZFT Anthem BCBS of Virginia (VA)
ZFU BCBS of Illinois (IL)
ZFV BCBS of Illinois (IL)
ZFW BCBS of Illinois (IL)
ZFX Anthem BCBS of Missouri (MO)
ZFY Anthem BCBS of Connecticut (CT)
ZFZ Anthem BCBS of Ohio (OH)
ZGA BCBS of Texas (TX)
ZGB BCBS of Texas (TX)
ZGC BCBS of Texas (TX)
ZGD BCBS of Texas (TX)
ZGE BCBS of Texas (TX)
ZGF Not assigned prefix
ZGG Not assigned prefix
ZGH BCBS of Texas (TX)
ZGI BCBS of Texas (TX)
ZGJ BCBS of Texas (TX)
ZGK Not assigned prefix
ZGL BCBS of Texas (TX)
ZGM BCBS of Texas (TX)
ZGN BCBS of Texas (TX)
ZGO BCBS of Texas (TX)
ZGP BCBS of Texas (TX)
ZGQ BCBS of Texas (TX)
ZGR BCBS of Texas (TX)
ZGS BCBS of Texas (TX)
ZGT BCBS of Texas (TX)
ZGU BCBS of Texas (TX)
ZGV BCBS of Texas (TX)
ZGW BCBS of Texas (TX)
ZGX BCBS of Texas (TX)
ZGY BCBS of Texas (TX)
ZGZ BCBS of Texas (TX)
ZHA Blue Shield (BS) of California
ZHB Regence BCBS
ZHC Blue Shield (BS) of California
ZHD Regence BCBS
ZHE Empire BCBS of New York (NY)
ZHF Wellmark
ZHG Regence BCBS
ZHH Regence BCBS
ZHI Not assigned prefix
ZHJ Anthem BCBS of Georgia (GA)
ZHK Not assigned prefix
ZHL Regence BCBS
ZHM Regence BCBS
ZHN Wellmark
ZHO Regence BCBS
ZHP BCBS of South Carolina (SC) / Southcarolinablues
ZHQ BCBS of Minnesota (MN)
ZHR Not assigned prefix
ZHS Empire BCBS of New York (NY)
ZHT Blue Shield (BS) of California
ZHU Regence BCBS
ZHV Regence BCBS
ZHW Anthem BCBS of Georgia (GA)
ZHX Anthem BCBS of Ohio (OH)
ZHY Regence BCBS
ZHZ Anthem BCBS of Georgia (GA)
ZIA BCBS of Vermont (VT)
ZIB BCBS of Vermont (VT)
ZIC Anthem BCBS of Indiana (IN)
ZID BCBS of Vermont (VT)
ZIE BCBS of Vermont (VT)
ZIF Not assigned prefix
ZIG BCBS of Vermont (VT)
ZIH BCBS of Vermont (VT)
ZII BCBS of Vermont (VT)
ZIJ BCBS of Vermont (VT)
ZIK BCBS of Vermont (VT)
ZIL BCBS of Vermont (VT)
ZIM Anthem BCBS of Virginia (VA)
ZIN Wellmark
ZIO BCBS Blue Care Network Michigan (MI)
ZIP Anthem Blue Cross(BC) of California (CA)
ZIQ Horizon BCBS of New Jersey (NJ)
ZIR Anthem Blue Cross(BC) of California (CA)
ZIS Wellmark
ZIT
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ZIU BCBS of Vermont (VT)
ZIV Anthem BCBS of Ohio (OH)
ZIW Highmark BCBS of Pennsylvania (PA)
ZIX Anthem Blue Cross(BC) of California (CA)
ZIY Horizon BCBS of New Jersey (NJ)
ZIZ BCBS Blue Care Network Michigan (MI)
ZJA Anthem BCBS of Ohio (OH)
ZJB BCBS of Minnesota (MN)
ZJC Not assigned prefix
ZJD Anthem Blue Cross(BC) of California (CA)
ZJE Not assigned prefix
ZJF Anthem BCBS of Indiana (IN)
ZJG BCBS of Alabama (AL)
ZJH Anthem BCBS of Connecticut (CT)
ZJI Anthem BCBS of Wisconsin (WI)
ZJJ Not assigned prefix
ZJK Anthem BCBS of Georgia (GA)
ZJL Horizon BCBS of New Jersey (NJ)
ZJM Anthem Blue Cross(BC) of California (CA)
ZJN Anthem BCBS of Ohio (OH)
ZJO
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ZJP Anthem Blue Cross(BC) of California (CA)
ZJQ
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ZJR
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ZJS Anthem BCBS of Missouri (MO)
ZJT Anthem BCBS of Connecticut (CT)
ZJU Anthem Blue Cross(BC) of California (CA)
ZJV Anthem BCBS of Missouri (MO)
ZJW Regence BCBS
ZJX BCBS of Western New York (WNY)
ZJY
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ZJZ Not assigned prefix
ZKA Premera BCBS of Alaska (AK)
ZKB Premera BCBS of Alaska (AK)
ZKC Premera BCBS of Alaska (AK)
ZKD Premera BCBS of Alaska (AK)
ZKE Premera BCBS of Alaska (AK)
ZKF Premera BCBS of Alaska (AK)
ZKG Premera BCBS of Alaska (AK)
ZKH Premera BCBS of Alaska (AK)
ZKI Premera Blue Cross (BC) of Alaska (AK)
ZKJ Premera BCBS of Alaska (AK)
ZKK Premera BCBS of Alaska (AK)
ZKL Premera BCBS of Alaska (AK)
ZKM Premera BCBS of Alaska (AK)
ZKN Premera BCBS of Alaska (AK)
ZKO Horizon BCBS of New Jersey (NJ)
ZKP Premera BCBS of Alaska (AK)
ZKQ Premera BCBS of Alaska (AK)
ZKR Premera BCBS of Alaska (AK)
ZKS Premera BCBS of Alaska (AK)
ZKT Premera BCBS of Alaska (AK)
ZKU Premera BCBS of Alaska (AK)
ZKV Premera BCBS of Alaska (AK)
ZKW Anthem BCBS of Missouri (MO)
ZKX Premera BCBS of Alaska (AK)
ZKY Premera BCBS of Alaska (AK)
ZKZ Premera BCBS of Alaska (AK)
ZLA Regence BCBS
ZLB Regence BCBS
ZLC Regence BCBS
ZLD Regence BCBS
ZLE Regence BCBS
ZLF Regence BCBS
ZLG Regence BCBS
ZLH Regence BCBS
ZLI Anthem BCBS of Ohio (OH)
ZLJ Regence BCBS
ZLK Not assigned prefix
ZLL Not assigned prefix
ZLM Regence BCBS
ZLN Regence BCBS
ZLO Regence BCBS
ZLP Regence BCBS
ZLQ Not assigned prefix
ZLR Regence BCBS
ZLS Not assigned prefix
ZLT Blue Cross (BC) of Idaho (ID)
ZLU Regence BCBS
ZLV Regence BCBS
ZLW Regence BCBS
ZLX Anthem BCBS of Nevada (NV)
ZLY Regence BCBS
ZLZ Blue Shield (BS) of California
ZMA Anthem BCBS of Virginia (VA)
ZMB BCBS of Minnesota (MN)
ZMC Highmark BCBS of Pennsylvania (PA)
ZMD Not assigned prefix
ZME Not assigned prefix
ZMF Anthem Blue Cross(BC) of California (CA)
ZMG Empire BCBS of New York (NY)
ZMH Highmark BCBS of Pennsylvania (PA)
ZMI BCBS of Massachusetts (MA)
ZMJ Anthem BCBS of Wisconsin (WI)
ZMK Wellmark
ZML BCBS of Kansas
ZMM Anthem BCBS of Nevada (NV)
ZMN Not assigned prefix
ZMO Blue Cross (BC) of Idaho (ID)
ZMP Anthem BCBS of Wisconsin (WI)
ZMQ Not assigned prefix
ZMR Empire BCBS of New York (NY)
ZMS Not assigned prefix
ZMT Blue Cross (BC) of Idaho (ID)
ZMU Wellmark
ZMV BCBS of Minnesota (MN)
ZMW Anthem BCBS of Ohio (OH)
ZMX Anthem BCBS of Missouri (MO)
ZMY Wellmark
ZMZ Anthem Blue Cross(BC) of California (CA)
ZNA Premera BCBS of Alaska (AK)
ZNB Premera BCBS of Alaska (AK)
ZNC Premera BCBS of Alaska (AK)
ZND Wellmark
ZNE BCBS of Alabama (AL)
ZNF Anthem Blue Cross(BC) of California (CA)
ZNG Wellmark
ZNH Blue Cross (BC) of Idaho (ID)
ZNI Anthem BCBS of Georgia (GA)
ZNJ Premera BCBS of Alaska (AK)
ZNK Premera BCBS of Alaska (AK)
ZNL Anthem BCBS of Missouri (MO)
ZNM Anthem BCBS of Ohio (OH)
ZNN Premera BCBS of Alaska (AK)
ZNO BCBS of South Carolina (SC) / Southcarolinablues
ZNP Premera BCBS of Alaska (AK)
ZNQ Premera BCBS of Alaska (AK)
ZNR BCBS of Tennessee (TN)
ZNS Not assigned prefix
ZNT BCBS of Minnesota (MN)
ZNU Not assigned prefix
ZNV Anthem BCBS of Missouri (MO)
ZNW Premera BCBS of Alaska (AK)
ZNX Not assigned prefix
ZNY Premera BCBS of Alaska (AK)
ZNZ Premera BCBS of Alaska (AK)
ZOA BCBS of Western New York (WNY)
ZOB
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ZOC Blue Shield (BS) of California
ZOD Highmark Blue Shield (BS) of Pennsylvanaia (PA)
ZOE Anthem BCBS of Wisconsin (WI)
ZOF BCBS Blue Care Network Michigan (MI)
ZOG Highmark Blue Shield (BS) of Pennsylvanaia (PA)
ZOH BCBS of South Carolina (SC) / Southcarolinablues
ZOI Highmark Blue Shield (BS) of Pennsylvanaia (PA)
ZOJ Highmark Blue Shield (BS) of Pennsylvanaia (PA)
ZOK Highmark Blue Shield (BS) of Pennsylvanaia (PA)
ZOL Highmark Blue Shield (BS) of Pennsylvanaia (PA)
ZOM BCBS of South Carolina (SC) / Southcarolinablues
ZON Highmark BCBS of Pennsylvania (PA)
ZOO BCBS Blue Care Network Michigan (MI)
ZOP Blue Shield (BS) of California
ZOQ Highmark BCBS of Pennsylvania (PA)
ZOR Highmark BCBS of Pennsylvania (PA)
ZOS Blue Shield (BS) of California
ZOT Anthem Blue Cross(BC) of California (CA)
ZOU
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ZOV
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ZOW Anthem BCBS of Virginia (VA)
ZOX Anthem BCBS of Virginia (VA)
ZOY Anthem BCBS of Virginia (VA)
ZOZ Anthem BCBS of Virginia (VA)
ZPA Highmark BCBS of West Virginia (WV)
ZPB Highmark BCBS of Pennsylvania (PA)
ZPC Not assigned prefix
ZPD Highmark BCBS of West Virginia (WV)
ZPE Highmark BCBS of West Virginia (WV)
ZPF Not assigned prefix
ZPG Highmark BCBS of West Virginia (WV)
ZPH Not assigned prefix
ZPI Blue Shield (BS) of California
ZPJ Anthem BCBS of Ohio (OH)
ZPK BCBS of Illinois (IL)
ZPL Wellmark
ZPM Highmark BCBS of Pennsylvania (PA)
ZPN Highmark BCBS of West Virginia (WV)
ZPO Highmark BCBS of West Virginia (WV)
ZPP Highmark BCBS of West Virginia (WV)
ZPQ Anthem BCBS of Ohio (OH)
ZPR Wellmark
ZPS
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ZPT Highmark BCBS of West Virginia (WV)
ZPU Anthem Blue Cross(BC) of California (CA)
ZPV Anthem BCBS of Ohio (OH)
ZPW Highmark BCBS of West Virginia (WV)
ZPX Not assigned prefix
ZPY Anthem BCBS of Virginia (VA)
ZPZ Regence BCBS
ZQA Anthem BCBS of Ohio (OH)
ZQB Wellmark
ZQC Not assigned prefix
ZQD BCBS of Western New York (WNY)
ZQE Anthem BCBS of Ohio (OH)
ZQF Anthem BCBS of Ohio (OH)
ZQG Blue shield(BS) of Northeastern New York (NeNY)
ZQH Anthem BCBS of Colorado (CO)
ZQI BCBS Blue Care Network Michigan (MI)
ZQJ BCBS of Tennessee (TN)
ZQK BCBS of Western New York (WNY)
ZQL BCBS of Tennessee (TN)
ZQM Highmark BCBS of Pennsylvania (PA)
ZQN Highmark BCBS of Pennsylvania (PA)
ZQO Anthem BCBS of Ohio (OH)
ZQP Anthem BCBS of Ohio (OH)
ZQQ Anthem BCBS of Colorado (CO)
ZQR Anthem BCBS of Ohio (OH)
ZQS BCBS of Minnesota (MN)
ZQT Not assigned prefix
ZQU Anthem Blue Cross(BC) of California (CA)
ZQV Anthem BCBS of Georgia (GA)
ZQW BCBS of Western New York (WNY)
ZQX BCBS of Western New York (WNY)
ZQY Blue shield(BS) of Northeastern New York (NeNY)
ZQZ Anthem BCBS of Colorado (CO)
ZRA Anthem BCBS of Wisconsin (WI)
ZRB Anthem BCBS of Wisconsin (WI)
ZRC Anthem BCBS of Wisconsin (WI)
ZRD Anthem BCBS of Nevada (NV)
ZRE BCBS of Minnesota (MN)
ZRF Anthem BCBS of Wisconsin (WI)
ZRG Anthem BCBS of Wisconsin (WI)
ZRH Anthem BCBS of Georgia (GA)
ZRI Anthem BCBS of Nevada (NV)
ZRJ Anthem BCBS of Georgia (GA)
ZRK Premera BCBS of Alaska (AK)
ZRL Premera BCBS of Alaska (AK)
ZRM Wellmark
ZRN Anthem BCBS of Georgia (GA)
ZRO Anthem BCBS of Ohio (OH)
ZRP BCBS of Massachusetts (MA)
ZRQ
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ZRR BCBS Blue Care Network Michigan (MI)
ZRS BCBS of Minnesota (MN)
ZRT Blue Shield (BS) of California
ZRU Anthem BCBS of Wisconsin (WI)
ZRV Anthem BCBS of Georgia (GA)
ZRW BCBS of Wyoming (WY)
ZRX Anthem BCBS of Georgia (GA)
ZRY Anthem BCBS of Georgia (GA)
ZRZ Anthem BCBS of Georgia (GA)
ZSA BCBS of Wyoming (WY)
ZSB Not assigned prefix
ZSC BCBS of Wyoming (WY)
ZSD BCBS of Wyoming (WY)
ZSE Not assigned prefix
ZSF BCBS of Wyoming (WY)
ZSG BCBS of Minnesota (MN)
ZSH Not assigned prefix
ZSI Anthem Blue Cross(BC) of California (CA)
ZSJ Not assigned prefix
ZSK BCBS of Wyoming (WY)
ZSL BCBS of Minnesota (MN)
ZSM BCBS of Wyoming (WY)
ZSN Highmark BCBS of Pennsylvania (PA)
ZSO Highmark BCBS of Pennsylvania (PA)
ZSP BCBS of Wyoming (WY)
ZSQ Not assigned prefix
ZSR Highmark BCBS of Pennsylvania (PA)
ZSS Wellmark
ZST Anthem Blue Cross(BC) of California (CA)
ZSU Anthem BCBS of Georgia (GA)
ZSV Wellmark
ZSW BCBS of Minnesota (MN)
ZSX Wellmark
ZSY BCBS of Illinois (IL)
ZSZ Highmark BCBS of Pennsylvania (PA)
ZTA Anthem BCBS of Kentucky (KY)
ZTB Anthem BCBS of Virginia (VA)
ZTC Not assigned prefix
ZTD BCBS of Alabama (AL)
ZTE Not assigned prefix
ZTF Anthem Blue Cross(BC) of California (CA)
ZTG Not assigned prefix
ZTH Anthem BCBS of Virginia (VA)
ZTI Blue Shield (BS) of California
ZTJ Anthem Blue Cross(BC) of California (CA)
ZTK Anthem BCBS of Missouri (MO)
ZTL Anthem BCBS of Connecticut (CT)
ZTM Regence BCBS
ZTN BCBS of Texas (TX)
ZTO Empire BCBS of New York (NY)
ZTP Blue Shield (BS) of California
ZTQ Anthem Blue Cross(BC) of California (CA)
ZTR Not assigned prefix
ZTS Highmark BCBS of Pennsylvania (PA)
ZTT Anthem BCBS of Colorado (CO)
ZTU Anthem BCBS of Connecticut (CT)
ZTV Anthem BCBS of Georgia (GA)
ZTW Not assigned prefix
ZTX Not assigned prefix
ZTY Anthem BCBS of Georgia (GA)
ZTZ BCBS of Minnesota (MN)
ZUA Triple-S SALUD BCBS of Puerto Rico (PR)
ZUB Wellmark
ZUC Anthem Blue Cross(BC) of California (CA)
ZUD Anthem BCBS of Nevada (NV)
ZUE Not assigned prefix
ZUF Anthem BCBS of Georgia (GA)
ZUG Anthem Blue Cross(BC) of California (CA)
ZUH Triple-S SALUD BCBS of Puerto Rico (PR)
ZUI Anthem BCBS of Ohio (OH)
ZUJ Anthem Blue Cross(BC) of California (CA)
ZUK Triple-S SALUD BCBS of Puerto Rico (PR)
ZUL Anthem BCBS of Missouri (MO)
ZUM Triple-S SALUD BCBS of Puerto Rico (PR)
ZUN Not assigned prefix
ZUO Anthem BCBS of Missouri (MO)
ZUP Blue Shield (BS) of California
ZUQ Anthem Blue Cross(BC) of California (CA)
ZUR Triple-S SALUD BCBS of Puerto Rico (PR)
ZUS Triple-S SALUD BCBS of Puerto Rico (PR)
ZUT Not assigned prefix
ZUU BCBS of Illinois (IL)
ZUV Triple-S SALUD BCBS of Puerto Rico (PR)
ZUW BCBS of Illinois (IL)
ZUX Triple-S SALUD BCBS of Puerto Rico (PR)
ZUY Not assigned prefix
ZUZ Regence BCBS
ZVA Not assigned prefix
ZVB BCBS of Louisiana(LA)
ZVC Anthem BCBS of Indiana (IN)
ZVD Anthem BCBS of Nevada (NV)
ZVE BCBS of Texas (TX)
ZVF Empire BCBS of New York (NY)
ZVG Regence BCBS
ZVH Regence BCBS
ZVI Anthem BCBS of Ohio (OH)
ZVJ Regence BCBS
ZVK Regence BCBS
ZVL Anthem BCBS of Georgia (GA)
ZVM Wellmark
ZVN BCBS of Minnesota (MN)
ZVO Anthem BCBS of Ohio (OH)
ZVP Anthem BCBS of Maine (ME)
ZVQ Anthem Blue Cross(BC) of California (CA)
ZVR Anthem BCBS of Ohio (OH)
ZVS Highmark BCBS of Pennsylvania (PA)
ZVT BCBS of Illinois (IL)
ZVU Regence BCBS
ZVV Anthem Blue Cross(BC) of California (CA)
ZVW Regence BCBS
ZVX Regence BCBS
ZVY Regence BCBS
ZVZ Anthem BCBS of Kentucky (KY)
ZWA Blue shield(BS) of Northeastern New York (NeNY)
ZWB Blue shield(BS) of Northeastern New York (NeNY)
ZWC Blue shield(BS) of Northeastern New York (NeNY)
ZWD Blue shield(BS) of Northeastern New York (NeNY)
ZWE Blue shield(BS) of Northeastern New York (NeNY)
ZWF Blue shield(BS) of Northeastern New York (NeNY)
ZWG Blue shield(BS) of Northeastern New York (NeNY)
ZWH Blue shield(BS) of Northeastern New York (NeNY)
ZWI Blue shield(BS) of Northeastern New York (NeNY)
ZWJ BCBS of Massachusetts (MA)
ZWK Blue shield(BS) of Northeastern New York (NeNY)
ZWL Blue shield(BS) of Northeastern New York (NeNY)
ZWM Blue shield(BS) of Northeastern New York (NeNY)
ZWN Blue shield(BS) of Northeastern New York (NeNY)
ZWO Not assigned prefix
ZWP Blue shield(BS) of Northeastern New York (NeNY)
ZWQ Blue shield(BS) of Northeastern New York (NeNY)
ZWR Blue shield(BS) of Northeastern New York (NeNY)
ZWS Blue shield(BS) of Northeastern New York (NeNY)
ZWT Blue shield(BS) of Northeastern New York (NeNY)
ZWU Blue shield(BS) of Northeastern New York (NeNY)
ZWV Blue shield(BS) of Northeastern New York (NeNY)
ZWW Blue shield(BS) of Northeastern New York (NeNY)
ZWX Blue shield(BS) of Northeastern New York (NeNY)
ZWY Blue shield(BS) of Northeastern New York (NeNY)
ZWZ Blue shield(BS) of Northeastern New York (NeNY)
ZXA BCBS of Tennessee (TN)
ZXB BCBS of Tennessee (TN)
ZXC Anthem BCBS of Ohio (OH)
ZXD BCBS of Tennessee (TN)
ZXE BCBS of Tennessee (TN)
ZXF Not assigned prefix
ZXG BCBS of Tennessee (TN)
ZXH BCBS of Tennessee (TN)
ZXI Anthem BCBS of Ohio (OH)
ZXJ Premera BCBS of Alaska (AK)
ZXK BCBS of Tennessee (TN)
ZXL Premera BCBS of Alaska (AK)
ZXM Not assigned prefix
ZXN Premera BCBS of Alaska (AK)
ZXO Anthem BCBS of Ohio (OH)
ZXP BCBS of Tennessee (TN)
ZXQ BCBS of Western New York (WNY)
ZXR BCBS of Tennessee (TN)
ZXS BCBS of Tennessee (TN)
ZXT BCBS of Western New York (WNY)
ZXU Premera BCBS of Alaska (AK)
ZXV BCBS of Tennessee (TN)
ZXW Anthem BCBS of New Hampshire (NH)
ZXX BCBS of Tennessee (TN)
ZXY BCBS of Tennessee (TN)
ZXZ Premera BCBS of Alaska (AK)
ZYA Wellmark
ZYB Empire BCBS of New York (NY)
ZYC Not assigned prefix
ZYD Empire BCBS of New York (NY)
ZYE Empire BCBS of New York (NY)
ZYF Anthem Blue Cross(BC) of California (CA)
ZYG Wellmark
ZYH Wellmark
ZYI Anthem Blue Cross(BC) of California (CA)
ZYJ Empire BCBS of New York (NY)
ZYK Empire BCBS of New York (NY)
ZYL Empire BCBS of New York (NY)
ZYM Wellmark
ZYN Wellmark
ZYO Anthem Blue Cross(BC) of California (CA)
ZYP Anthem BCBS of Missouri (MO)
ZYQ Anthem BCBS of Ohio (OH)
ZYR Wellmark
ZYS Wellmark
ZYT BCBS of Minnesota (MN)
ZYU BCBS of Illinois (IL)
ZYV Wellmark
ZYW BCBS of Wyoming (WY)
ZYX Wellmark
ZYY Anthem BCBS of Missouri (MO)
ZYZ Wellmark
ZZA BCBS of Minnesota (MN)
ZZB Wellmark
ZZC Anthem BCBS of Indiana (IN)
ZZD Anthem Blue Cross(BC) of California (CA)
ZZE Anthem Blue Cross(BC) of California (CA)
ZZF Anthem Blue Cross(BC) of California (CA)
ZZG Anthem BCBS of New Hampshire (NH)
ZZH Anthem BCBS of Indiana (IN)
ZZI Blue Shield (BS) of California
ZZJ BCBS of Tennessee (TN)
ZZK Anthem BCBS of Ohio (OH)
ZZL BCBS of Minnesota (MN)
ZZM Premera BCBS of Alaska (AK)
ZZN Premera BCBS of Alaska (AK)
ZZO Anthem Blue Cross(BC) of California (CA)
ZZP Premera BCBS of Alaska (AK)
ZZQ Premera BCBS of Alaska (AK)
ZZR Premera BCBS of Alaska (AK)
ZZS Highmark BCBS of Pennsylvania (PA)
ZZT BCBS of Texas (TX)
ZZU BCBS of Minnesota (MN)
ZZV Premera BCBS of Alaska (AK)
ZZW Premera BCBS of Alaska (AK)
ZZX Not assigned prefix
ZZY Premera BCBS of Alaska (AK)
ZZZ Anthem Blue Cross(BC) of California (CA)

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