BCBS Alpha Prefix List from OAA to OZZ Updated 2022

BCBS Alpha Prefix List of “O”-series Blue Cross Blue Shield insurance Companies – Statewise
OAA Not Assigned Prefix
OAB BCBS of Massachusetts (MA)
OAC Anthem BCBS of Ohio (OH)
OAD BCBS of Western New York (WNY)
OAE Anthem BCBS of Ohio (OH)
OAF Anthem BCBS of Virginia (VA)
OAG Anthem BCBS of Colorado (CO)
OAH Empire BCBS of New York (NY)
OAI Blue shield(BS) of California (CA)
OAJ Not Assigned Prefix
OAK
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OAL Blue shield(BS) of California (CA)
OAM Highmark BCBS of Pennsylvania (PA)
OAN
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OAO Not Assigned Prefix
OAP Anthem BCBS of Kentucky (KY)
OAQ
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OAR
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OAS Anthem BCBS of Indiana (IN)
OAT BCBS of Nebraska (NE)
OAU BCBS Blue Care Network Michigan (MI)
OAV Not Assigned Prefix
OAW Not Assigned Prefix
OAX Not Assigned Prefix
OAY Not Assigned Prefix
OAZ BCBS of Massachusetts (MA)
OBA Anthem Blue Cross(BC) of California (CA)
OBB Highmark BCBS of Pennsylvania (PA)
OBC BCBS of Massachusetts (MA)
OBD Florida (FL) Blue
OBE BCBS Blue Care Network Michigan (MI)
OBF Highmark BCBS of Pennsylvania (PA)
OBG Not Assigned Prefix
OBH Not Assigned Prefix
OBI BCBS of Minnesota (MN)
OBJ Premera BCBS of Alaska (AK)
OBK Not Assigned Prefix
OBL
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OBM
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OBN BCBS of Massachusetts (MA)
OBO Highmark BCBS of Pennsylvania (PA)
OBP Blue shield(BS) of California (CA)
OBQ Anthem Blue Cross(BC) of California (CA)
OBR Wellmark
OBS Not Assigned Prefix
OBT BCBS of Arizona (AZ)
OBU BCBS of Alabama (AL)
OBV Anthem BCBS of Georgia (GA)
OBW
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OBX Anthem BCBS of Georgia (GA)
OBY Not Assigned Prefix
OBZ Not Assigned Prefix
OCA Anthem Blue Cross(BC) of California (CA)
OCB Not Assigned Prefix
OCC Not Assigned Prefix
OCD Blue shield(BS) of California (CA)
OCE Not Assigned Prefix
OCF Not Assigned Prefix
OCG Wellmark
OCH BCBS of Western New York (WNY)
OCI Anthem BCBS of Wisconsin (WI)
OCJ Not Assigned Prefix
OCK Florida (FL) Blue
OCL Not Assigned Prefix
OCM Wellmark
OCN Regence BCBS
OCO Blue shield(BS) of California (CA)
OCP Anthem BCBS of Ohio (OH)
OCQ Not Assigned Prefix
OCR
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OCS Not Assigned Prefix
OCT Blue Cross (BC) of Idaho (ID)
OCU Anthem BCBS of Ohio (OH)
OCV
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OCW Anthem Blue Cross(BC) of California (CA)
OCX
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OCY
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OCZ
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ODA
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ODB Anthem BCBS of Ohio (OH)
ODC Not Assigned Prefix
ODD Not Assigned Prefix
ODE Not Assigned Prefix
ODF BCBS of Massachusetts (MA)
ODG Not Assigned Prefix
ODH Not Assigned Prefix
ODI BCBS of Western New York (WNY)
ODJ BCBS of Tennessee (TN)
ODK
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ODL BCBS of Tennessee (TN)
ODM BCBS of Arizona (AZ)
ODN BCBS of Tennessee (TN)
ODO
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ODP Not Assigned Prefix
ODQ Highmark BCBS of Pennsylvania (PA)
ODR
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ODS BCBS of Western New York (WNY)
ODT BCBS of Massachusetts (MA)
ODU Not Assigned Prefix
ODV Wellmark
ODW BCBS Blue Care Network Michigan (MI)
ODX BCBS of Alabama (AL)
ODY BCBS Blue Care Network Michigan (MI)
ODZ BCBS Blue Care Network Michigan (MI)
OEA Anthem BCBS of Virginia (VA)
OEB Anthem BCBS of Virginia (VA)
OEC Not Assigned Prefix
OED Not Assigned Prefix
OEE Florida (FL) Blue
OEF
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OEG BCBS of Kansas City
OEH Anthem Blue Cross(BC) of California (CA)
OEI BCBS of Nebraska (NE)
OEJ Blue shield(BS) of California (CA)
OEK BCBS Blue Care Network Michigan (MI)
OEL
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OEM Anthem BCBS of Virginia (VA)
OEN Not Assigned Prefix
OEO Not Assigned Prefix
OEP Not Assigned Prefix
OEQ BCBS Blue Care Network Michigan (MI)
OER Regence BCBS
OES Anthem Blue Cross(BC) of California (CA)
OET
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OEU Highmark BCBS of Pennsylvania (PA)
OEV Highmark Blue Shield (BS) of Pennsylvania (PA)
OEW BCBS of North Dakota (ND)
OEX Not Assigned Prefix
OEY BCBS Blue Care Network Michigan (MI)
OEZ BCBS of South Carolina (SC) / Southcarolinablues
OFA Anthem BCBS of Indiana (IN)
OFB Capital Blue Cross of Pennsylvania (PA)
OFC BCBS Blue Care Network Michigan (MI)
OFD Not Assigned Prefix
OFE Not Assigned Prefix
OFF BCBS of Western New York (WNY)
OFG BCBS of Rhode Island the (RI)
OFH Anthem BCBS of Ohio (OH)
OFI Not Assigned Prefix
OFJ BCBS Blue Care Network Michigan (MI)
OFK Not Assigned Prefix
OFL
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OFM
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OFN BCBS of Tennessee (TN)
OFO Anthem Blue Cross(BC) of California (CA)
OFP Anthem Blue Cross(BC) of California (CA)
OFQ BCBS Blue Care Network Michigan (MI)
OFR Not Assigned Prefix
OFS BCBS of Western New York (WNY)
OFT Blue shield(BS) of California (CA)
OFU BCBS Blue Care Network Michigan (MI)
OFV BCBS Blue Care Network Michigan (MI)
OFW BCBS Blue Care Network Michigan (MI)
OFX Anthem BCBS of Missouri (MO)
OFY Blue shield(BS) of California (CA)
OFZ BCBS Blue Care Network Michigan (MI)
OGA Not Assigned Prefix
OGB Not Assigned Prefix
OGC Wellmark
OGD Anthem BCBS of Ohio (OH)
OGE Not Assigned Prefix
OGF BCBS Blue Care Network Michigan (MI)
OGG Not Assigned Prefix
OGH Anthem BCBS of Georgia (GA)
OGI Not Assigned Prefix
OGJ BCBS Blue Care Network Michigan (MI)
OGK BCBS Blue Care Network Michigan (MI)
OGL Wellmark
OGM Premera BCBS of Alaska (AK)
OGN Anthem BCBS of Kentucky (KY)
OGO BCBS Blue Care Network Michigan (MI)
OGP Not Assigned Prefix
OGQ Not Assigned Prefix
OGR Not Assigned Prefix
OGS BCBS Prefix BCBS of Louisiana(LA)
OGT BCBS of Western New York (WNY)
OGU Highmark BCBS of Pennsylvania (PA)
OGV Not Assigned Prefix
OGW Not Assigned Prefix
OGX
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OGY Not Assigned Prefix
OGZ Not Assigned Prefix
OHA BCBS of South Carolina (SC) / Southcarolinablues
OHB Anthem BCBS of Ohio (OH)
OHC BCBS Blue Care Network Michigan (MI)
OHD BCBS of Texas (TX)
OHE BCBS of Rhode Island the (RI)
OHF Anthem BCBS of Virginia (VA)
OHG Anthem BCBS of Virginia (VA)
OHH Anthem BCBS of Indiana (IN)
OHI BCBS of Louisiana(LA)
OHJ Anthem BCBS of Kentucky (KY)
OHK Wellmark
OHL Highmark BCBS of Pennsylvania (PA)
OHM Blue shield(BS) of Northeastern New York (NeNY)
OHN Wellmark
OHO Anthem BCBS of Ohio (OH)
OHP Anthem BCBS of Ohio (OH)
OHQ Not Assigned Prefix
OHR Anthem BCBS of Colorado (CO)
OHS Anthem BCBS of Ohio (OH)
OHT Anthem BCBS of Ohio (OH)
OHU Wellmark
OHV BCBS of Rhode Island the (RI)
OHW Not Assigned Prefix
OHX BCBS of Rhode Island the (RI)
OHY BCBS Blue Care Network Michigan (MI)
OHZ BCBS of Rhode Island the (RI)
OIA Not Assigned Prefix
OIB Highmark BCBS of Pennsylvania (PA)
OIC
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OID Blue Cross (BC) of Idaho (ID)
OIE Not Assigned Prefix
OIF Not Assigned Prefix
OIG Highmark BCBS of Pennsylvania (PA)
OIH Not Assigned Prefix
OII BCBS Blue Care Network Michigan (MI)
OIJ BCBS Blue Care Network Michigan (MI)
OIK BCBS Blue Care Network Michigan (MI)
OIL Highmark BCBS of Pennsylvania (PA)
OIM
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OIN Highmark BCBS of Pennsylvania (PA)
OIO BCBS Blue Care Network Michigan (MI)
OIP Blue shield(BS) of California (CA)
OIQ BCBS Blue Care Network Michigan (MI)
OIR Highmark BCBS of Pennsylvania (PA)
OIS BCBS of Western New York (WNY)
OIT BCBS Blue Care Network Michigan (MI)
OIU BCBS Blue Care Network Michigan (MI)
OIV BCBS Blue Care Network Michigan (MI)
OIW BCBS Blue Care Network Michigan (MI)
OIX BCBS Blue Care Network Michigan (MI)
OIY BCBS Blue Care Network Michigan (MI)
OIZ Anthem Blue Cross(BC) of California (CA)
OJA Not Assigned Prefix
OJB Not Assigned Prefix
OJC Not Assigned Prefix
OJD Not Assigned Prefix
OJE BCBS Blue Care Network Michigan (MI)
OJF BCBS Blue Care Network Michigan (MI)
OJG Not Assigned Prefix
OJH Not Assigned Prefix
OJI BCBS Blue Care Network Michigan (MI)
OJJ BCBS Blue Care Network Michigan (MI)
OJK BCBS Blue Care Network Michigan (MI)
OJL BCBS Blue Care Network Michigan (MI)
OJM Anthem BCBS of Missouri (MO)
OJN BCBS Blue Care Network Michigan (MI)
OJO BCBS Blue Care Network Michigan (MI)
OJP BCBS of Rhode Island the (RI)
OJQ BCBS Blue Care Network Michigan (MI)
OJR Wellmark
OJS Not Assigned Prefix
OJT
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OJU Not Assigned Prefix
OJV BCBS Blue Care Network Michigan (MI)
OJW Regence BCBS
OJX BCBS Blue Care Network Michigan (MI)
OJY BCBS Blue Care Network Michigan (MI)
OJZ Not Assigned Prefix
OKA Not Assigned Prefix
OKB
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OKC BCBS of Oklahoma (OK)
OKD
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OKE
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OKF BCBS Blue Care Network Michigan (MI)
OKG BCBS Blue Care Network Michigan (MI)
OKH Anthem Blue Cross(BC) of California (CA)
OKI BCBS Blue Care Network Michigan (MI)
OKJ BCBS Blue Care Network Michigan (MI)
OKK BCBS Blue Care Network Michigan (MI)
OKL Arkansas (AR) Blue Cross
OKM
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OKN BCBS Blue Care Network Michigan (MI)
OKO BCBS Blue Care Network Michigan (MI)
OKP
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OKQ BCBS Blue Care Network Michigan (MI)
OKR Anthem BCBS of Colorado (CO)
OKS BCBS of Western New York (WNY)
OKT Anthem BCBS of Ohio (OH)
OKU Not Assigned Prefix
OKV BCBS Blue Care Network Michigan (MI)
OKW Anthem Blue Cross(BC) of California (CA)
OKX BCBS Blue Care Network Michigan (MI)
OKY BCBS Blue Care Network Michigan (MI)
OKZ BCBS Blue Care Network Michigan (MI)
OLA BCBS of Kansas City
OLB Wellmark
OLC Not Assigned Prefix
OLD Blue shield(BS) of California (CA)
OLE Not Assigned Prefix
OLF Not Assigned Prefix
OLG Premera BCBS of Alaska (AK)
OLH BCBS of Arizona (AZ)
OLI BCBS Blue Care Network Michigan (MI)
OLJ Not Assigned Prefix
OLK Not Assigned Prefix
OLL Not Assigned Prefix
OLM Arkansas (AR) Blue Cross
OLN BCBS of Alabama (AL)
OLO Not Assigned Prefix
OLP Not Assigned Prefix
OLQ BCBS Blue Care Network Michigan (MI)
OLR Not Assigned Prefix
OLS
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OLT Wellmark
OLU Anthem BCBS of Colorado (CO)
OLV BCBS Blue Care Network Michigan (MI)
OLW BCBS of Western New York (WNY)
OLX BCBS Blue Care Network Michigan (MI)
OLY BCBS Blue Care Network Michigan (MI)
OLZ BCBS Blue Care Network Michigan (MI)
OMA Anthem BCBS of Ohio (OH)
OMB Anthem BCBS of Ohio (OH)
OMC Not Assigned Prefix
OMD
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OME Wellmark
OMF Not Assigned Prefix
OMG BCBS Blue Care Network Michigan (MI)
OMH Blue shield(BS) of California (CA)
OMI Anthem BCBS of Georgia (GA)
OMJ Not Assigned Prefix
OMK Anthem BCBS of Missouri (MO)
OML Florida (FL) Blue
OMM Not Assigned Prefix
OMN Not Assigned Prefix
OMO Not Assigned Prefix
OMP BCBS Blue Care Network Michigan (MI)
OMQ BCBS of Massachusetts (MA)
OMR BCBS of Rhode Island the (RI)
OMS BCBS of Massachusetts (MA)
OMT BCBS Blue Care Network Michigan (MI)
OMU Not Assigned Prefix
OMV
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OMW Not Assigned Prefix
OMX Anthem BCBS of Colorado (CO)
OMY Not Assigned Prefix
OMZ Blue shield(BS) of California (CA)
ONA Anthem BCBS of Missouri (MO)
ONB Anthem BCBS of Ohio (OH)
ONC Anthem BCBS of Indiana (IN)
OND Wellmark
ONE Anthem BCBS of Indiana (IN)
ONF Not Assigned Prefix
ONG BCBS of Massachusetts (MA)
ONH BCBS of Minnesota (MN)
ONI Anthem BCBS of Indiana (IN)
ONJ Not Assigned Prefix
ONK Not Assigned Prefix
ONL Anthem BCBS of Ohio (OH)
ONM Not Assigned Prefix
ONN Not Assigned Prefix
ONO Blue shield(BS) of California (CA)
ONP Anthem BCBS of Missouri (MO)
ONQ BCBS of Alabama (AL)
ONR Not Assigned Prefix
ONS BCBS of Alabama (AL)
ONT BCBS of Massachusetts (MA)
ONU
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ONV
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
ONW Anthem BCBS of Indiana (IN)
ONX Anthem BCBS of Indiana (IN)
ONY BCBS of Minnesota (MN)
ONZ Anthem BCBS of Indiana (IN)
OOA Not Assigned Prefix
OOB Blue shield(BS) of California (CA)
OOC BCBS of Massachusetts (MA)
OOD BCBS Blue Care Network Michigan (MI)
OOE BCBS Blue Care Network Michigan (MI)
OOF BCBS Blue Care Network Michigan (MI)
OOG Blue shield(BS) of California (CA)
OOH
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OOI BCBS Blue Care Network Michigan (MI)
OOJ BCBS Blue Care Network Michigan (MI)
OOK BCBS Blue Care Network Michigan (MI)
OOL BCBS of Rhode Island the (RI)
OOM Anthem Blue Cross(BC) of California (CA)
OON BCBS Blue Care Network Michigan (MI)
OOO BCBS Blue Care Network Michigan (MI)
OOP Blue shield(BS) of California (CA)
OOQ BCBS Blue Care Network Michigan (MI)
OOR BCBS of North Carolina (NC)
OOS Blue shield(BS) of California (CA)
OOT Blue shield(BS) of California (CA)
OOU BCBS Blue Care Network Michigan (MI)
OOV BCBS Blue Care Network Michigan (MI)
OOW BCBS Blue Care Network Michigan (MI)
OOX BCBS Blue Care Network Michigan (MI)
OOY Not Assigned Prefix
OOZ BCBS Blue Care Network Michigan (MI)
OPA BCBS of Louisiana(LA)
OPB Highmark BCBS of Pennsylvania (PA)
OPC Not Assigned Prefix
OPD Anthem BCBS of Wisconsin (WI)
OPE Anthem BCBS of Georgia (GA)
OPF Anthem BCBS of Wisconsin (WI)
OPG Anthem Blue Cross(BC) of California (CA)
OPH Not Assigned Prefix
OPI Not Assigned Prefix
OPJ Anthem BCBS of Wisconsin (WI)
OPK Anthem BCBS of Wisconsin (WI)
OPL Not Assigned Prefix
OPM Not Assigned Prefix
OPN Not Assigned Prefix
OPO Not Assigned Prefix
OPP Wellmark
OPQ Not Assigned Prefix
OPR Wellmark
OPS BCBS of Massachusetts (MA)
OPT
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OPU Anthem BCBS of Wisconsin (WI)
OPV Anthem BCBS of Wisconsin (WI)
OPW Anthem BCBS of Wisconsin (WI)
OPX Anthem BCBS of Wisconsin (WI)
OPY
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OPZ Anthem BCBS of Wisconsin (WI)
OQA Not Assigned Prefix
OQB Anthem Blue Cross(BC) of California (CA)
OQC
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OQD BCBS Blue Care Network Michigan (MI)
OQE BCBS Blue Care Network Michigan (MI)
OQF BCBS Blue Care Network Michigan (MI)
OQG BCBS Blue Care Network Michigan (MI)
OQH BCBS Blue Care Network Michigan (MI)
OQI BCBS Blue Care Network Michigan (MI)
OQJ BCBS Blue Care Network Michigan (MI)
OQK BCBS Blue Care Network Michigan (MI)
OQL BCBS Blue Care Network Michigan (MI)
OQM BCBS Blue Care Network Michigan (MI)
OQN BCBS Blue Care Network Michigan (MI)
OQO BCBS Blue Care Network Michigan (MI)
OQP Anthem Blue Cross(BC) of California (CA)
OQQ BCBS Blue Care Network Michigan (MI)
OQR BCBS Blue Care Network Michigan (MI)
OQS Anthem Blue Cross(BC) of California (CA)
OQT BCBS Blue Care Network Michigan (MI)
OQU BCBS Blue Care Network Michigan (MI)
OQV BCBS Blue Care Network Michigan (MI)
OQW BCBS Blue Care Network Michigan (MI)
OQX Not Assigned Prefix
OQY Not Assigned Prefix
OQZ Not Assigned Prefix
ORA Not Assigned Prefix
ORB Wellmark
ORC Anthem BCBS of Kentucky (KY)
ORD
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
ORE BCBS of Tennessee (TN)
ORF BCBS Blue Care Network Michigan (MI)
ORG Not Assigned Prefix
ORH Anthem BCBS of Missouri (MO)
ORI BCBS of South Carolina (SC) / Southcarolinablues
ORJ BCBS Blue Care Network Michigan (MI)
ORK Anthem BCBS of Ohio (OH)
ORL Anthem Blue Cross(BC) of California (CA)
ORM Blue Shield (BS) of Northeastern New York (NeNY)
ORN Horizon BCBS of New Jersey (NJ)
ORO BCBS Blue Care Network Michigan (MI)
ORP Not Assigned Prefix
ORQ BCBS Blue Care Network Michigan (MI)
ORR Not Assigned Prefix
ORS Regence BCBS
ORT Capital Blue Cross of Pennsylvania (PA)
ORU BCBS of Tennessee (TN)
ORV BCBS Blue Care Network Michigan (MI)
ORW Not Assigned Prefix
ORX Blue Cross (BC) of Idaho (ID)
ORY Blue shield(BS) of California (CA)
ORZ Horizon BCBS of New Jersey (NJ)
OSA Not Assigned Prefix
OSB BCBS of Alabama (AL)
OSC Not Assigned Prefix
OSD Not Assigned Prefix
OSE BCBS of Arizona (AZ)
OSF Not Assigned Prefix
OSG Not Assigned Prefix
OSH
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OSI
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OSJ Anthem BCBS of Ohio (OH)
OSK Not Assigned Prefix
OSL BCBS of Nebraska (NE)
OSM BCBS of Illinois (IL)
OSN Not Assigned Prefix
OSO
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OSP Not Assigned Prefix
OSQ Highmark BCBS of Pennsylvania (PA)
OSR
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OSS Blue shield(BS) of California (CA)
OST Highmark BCBS of Delaware (DE)
OSU Not Assigned Prefix
OSV
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OSW Anthem BCBS of Ohio (OH)
OSX Wellmark
OSY BCBS of Kansas City
OSZ Anthem BCBS of Virginia (VA)
OTA Florida (FL) Blue
OTB Anthem BCBS of Virginia (VA)
OTC BCBS of Nebraska (NE)
OTD Anthem Blue Cross(BC) of California (CA)
OTE Anthem BCBS of Indiana (IN)
OTF Anthem BCBS of Indiana (IN)
OTG BCBS Blue Care Network Michigan (MI)
OTH BCBS of Tennessee (TN)
OTI BCBS of North Dakota (ND)
OTJ
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OTK Wellmark
OTL BCBS of Alabama (AL)
OTM Blue shield(BS) of California (CA)
OTN BCBS of North Dakota (ND)
OTO BCBS Prefix Not Assigned Prefix
OTP Blue shield(BS) of California (CA)
OTQ Anthem BCBS of Connecticut (CT)
OTR Not Assigned Prefix
OTS
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OTT Wellmark
OTU Wellmark
OTV Not Assigned Prefix
OTW Anthem BCBS of Georgia (GA)
OTX Blue shield(BS) of California (CA)
OTY Regence BCBS
OTZ Anthem BCBS of Ohio (OH)
OUA Regence BCBS
OUB BCBS of Rhode Island the (RI)
OUC BCBS of South Carolina (SC) / Southcarolinablues
OUD BCBS Blue Care Network Michigan (MI)
OUE BCBS of Rhode Island the (RI)
OUF Regence BCBS
OUG Not Assigned Prefix
OUH Empire BCBS of New York (NY)
OUI Horizon BCBS of New Jersey (NJ)
OUJ BCBS Blue Care Network Michigan (MI)
OUK BCBS Blue Care Network Michigan (MI)
OUL BCBS Blue Care Network Michigan (MI)
OUM BCBS Blue Care Network Michigan (MI)
OUN BCBS Blue Care Network Michigan (MI)
OUO BCBS Blue Care Network Michigan (MI)
OUP Wellmark
OUQ BCBS Blue Care Network Michigan (MI)
OUR Horizon BCBS of New Jersey (NJ)
OUS Not Assigned Prefix
OUT Horizon BCBS of New Jersey (NJ)
OUU BCBS Blue Care Network Michigan (MI)
OUV BCBS Blue Care Network Michigan (MI)
OUW Highmark BCBS of West Virginia (WVA)
OUX BCBS Blue Care Network Michigan (MI)
OUY BCBS Blue Care Network Michigan (MI)
OUZ BCBS Blue Care Network Michigan (MI)
OVA Not Assigned Prefix
OVB Not Assigned Prefix
OVC
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OVD BCBS Blue Care Network Michigan (MI)
OVE Not Assigned Prefix
OVF Not Assigned Prefix
OVG BCBS Blue Care Network Michigan (MI)
OVH Premera BCBS of Alaska (AK)
OVI BCBS Blue Care Network Michigan (MI)
OVJ Not Assigned Prefix
OVK Not Assigned Prefix
OVL BCBS of Western New York (WNY)
OVM Wellmark
OVN BCBS Blue Care Network Michigan (MI)
OVO BCBS Blue Care Network Michigan (MI)
OVP Anthem BCBS of Indiana (IN)
OVQ BCBS Blue Care Network Michigan (MI)
OVR
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OVS Not Assigned Prefix
OVT Anthem BCBS of Ohio (OH)
OVU BCBS Blue Care Network Michigan (MI)
OVV BCBS Blue Care Network Michigan (MI)
OVW Highmark BCBS of West Virginia (WVA)
OVX BCBS Blue Care Network Michigan (MI)
OVY BCBS Blue Care Network Michigan (MI)
OVZ BCBS Blue Care Network Michigan (MI)
OWA Wellmark
OWB
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OWC Regence BCBS
OWD
Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
OWE Florida (FL) Blue
OWF Wellmark
OWG BCBS of Western New York (WNY)
OWH Anthem BCBS of Connecticut (CT)
OWI Anthem BCBS of Ohio (OH)
OWJ Anthem BCBS of Virginia (VA)
OWK BCBS Blue Care Network Michigan (MI)
OWL Blue shield(BS) of California (CA)
OWM Not Assigned Prefix
OWN Not Assigned Prefix
OWO BCBS Blue Care Network Michigan (MI)
OWP Not Assigned Prefix
OWQ BCBS Blue Care Network Michigan (MI)
OWR BCBS Blue Care Network Michigan (MI)
OWS Anthem BCBS of Virginia (VA)
OWT Anthem BCBS of Georgia (GA)
OWU BCBS Blue Care Network Michigan (MI)
OWV Not Assigned Prefix
OWW Anthem BCBS of Virginia (VA)
OWX Anthem BCBS of Ohio (OH)
OWY Anthem BCBS of Ohio (OH)
OWZ Wellmark
OXA BCBS of Western New York (WNY)
OXB Not Assigned Prefix
OXC Not Assigned Prefix
OXD Anthem Blue Cross(BC) of California (CA)
OXE BCBS Blue Care Network Michigan (MI)
OXF Not Assigned Prefix
OXG BCBS Blue Care Network Michigan (MI)
OXH BCBS Blue Care Network Michigan (MI)
OXI BCBS Blue Care Network Michigan (MI)
OXJ BCBS Blue Care Network Michigan (MI)
OXK BCBS Blue Care Network Michigan (MI)
OXL BCBS Blue Care Network Michigan (MI)
OXM Premera BCBS of Alaska (AK)
OXN Regence BCBS
OXO BCBS of Western New York (WNY)
OXP Anthem Blue Cross(BC) of California (CA)
OXQ BCBS Blue Care Network Michigan (MI)
OXR BCBS Blue Care Network Michigan (MI)
OXS Not Assigned Prefix
OXT BCBS Blue Care Network Michigan (MI)
OXU BCBS Blue Care Network Michigan (MI)
OXV BCBS Blue Care Network Michigan (MI)
OXW BCBS Blue Care Network Michigan (MI)
OXX BCBS Blue Care Network Michigan (MI)
OXY BCBS Blue Care Network Michigan (MI)
OXZ Not Assigned Prefix
OYA Wellmark
OYB Anthem Blue Cross(BC) of California (CA)
OYC Horizon BCBS of New Jersey (NJ)
OYD Blue Cross (BC) of Idaho (ID)
OYE Not Assigned Prefix
OYF BCBS Blue Care Network Michigan (MI)
OYG BCBS Blue Care Network Michigan (MI)
OYH Anthem BCBS of Ohio (OH)
OYI BCBS Blue Care Network Michigan (MI)
OYJ BCBS Blue Care Network Michigan (MI)
OYK BCBS Blue Care Network Michigan (MI)
OYL Blue shield(BS) of California (CA)
OYM
Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
OYN BCBS Blue Care Network Michigan (MI)
OYO BCBS Blue Care Network Michigan (MI)
OYP Not Assigned Prefix
OYQ BCBS Blue Care Network Michigan (MI)
OYR BCBS Blue Care Network Michigan (MI)
OYS Blue shield(BS) of California (CA)
OYT BCBS Blue Care Network Michigan (MI)
OYU BCBS Blue Care Network Michigan (MI)
OYV Not Assigned Prefix
OYW BCBS Blue Care Network Michigan (MI)
OYX BCBS Blue Care Network Michigan (MI)
OYY BCBS Blue Care Network Michigan (MI)
OYZ Not Assigned Prefix
OZA Anthem BCBS of Missouri (MO)
OZB Anthem BCBS of Wisconsin (WI)
OZC Horizon BCBS of New Jersey (NJ)
OZD Anthem BCBS of Virginia (VA)
OZE BCBS Blue Care Network Michigan (MI)
OZF BCBS Blue Care Network Michigan (MI)
OZG Blue shield(BS) of California (CA)
OZH Not Assigned Prefix
OZI BCBS Blue Care Network Michigan (MI)
OZJ BCBS Blue Care Network Michigan (MI)
OZK Anthem BCBS of Missouri (MO)
OZL BCBS Blue Care Network Michigan (MI)
OZM Anthem BCBS of Virginia (VA)
OZN BCBS Blue Care Network Michigan (MI)
OZO Not Assigned Prefix
OZP Anthem Blue Cross(BC) of California (CA)
OZQ BCBS Blue Care Network Michigan (MI)
OZR BCBS Blue Care Network Michigan (MI)
OZS BCBS of Western New York (WNY)
OZT BCBS Blue Care Network Michigan (MI)
OZU BCBS Blue Care Network Michigan (MI)
OZV BCBS Blue Care Network Michigan (MI)
OZW Not Assigned Prefix
OZX Anthem BCBS of Missouri (MO)
OZY BCBS Blue Care Network Michigan (MI)
OZZ BCBS Blue Care Network Michigan (MI)

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