BCBS Alpha Prefix List from IAA to IZZ Updated 2022

BCBS Alpha Prefix List of “I”-series Blue Cross Blue Shield insurance Companies – Statewise
IAA Prefix yet to assign
IAB Prefix yet to assign
IAD Prefix yet to assign
IAF Prefix yet to assign
IAG Anthem BCBS  Virginia
IAI BCBS  South Carolina
IAJ Prefix yet to assign
IAK Prefix yet to assign
IAL Wellmark BCBS
IAM Blue Shield  California
IAP Wellmark BCBS
IAQ BCBS  Nebraska
IAR BCBS  Alabama
IAS Prefix yet to assign
IAT Empire BCBS  New York
IAU BCBS  Nebraska
IAV Wellmark BCBS
IAW Wellmark BCBS
IAX Prefix yet to assign
IAY BCBS  South Carolina
IAZ Prefix yet to assign
IBA BCBS  Illinois
IBB Horizon BCBS  New Jersey
IBC BCBS  South Carolina
IBD BCBS  South Carolina
IBE BCBS  Illinois
IBF Wellmark BCBS
IBG BCBS  Illinois
IBH BCBS  Alabama
IBI Wellmark BCBS
IBJ BCBS  Michigan
IBK Prefix yet to assign
IBL Prefix yet to assign
IBM Prefix yet to assign
IBN Prefix yet to assign
IBO Prefix yet to assign
IBP Wellmark BCBS
IBR BCBS  Michigan
IBT BCBS  Illinois
IBU BCBS  Alabama
IBV Prefix yet to assign
IBW BCBS  Illinois
IBY Anthem Central Region (OH, IN, KY)
IBZ Prefix yet to assign
ICA Carefirst BCBS  Maryland
ICB BCBS  Illinois
ICC Independence Blue Cross
ICD Carefirst BCBS  Maryland
ICE Carefirst BCBS  Maryland
ICF Carefirst BCBS  Maryland
ICG BCBS  South Carolina
ICH Empire BCBS  New York
ICI Prefix yet to assign
ICJ BCBS  Georgia
ICK Carefirst BCBS  Maryland
ICL Carefirst BCBS  Maryland
ICM Prefix yet to assign
ICN BCBS  Georgia
ICO Prefix yet to assign
ICP BCBS  Georgia
ICQ Anthem BCBS  Virginia
ICR Anthem Central Region (OH, IN, KY)
ICS BCBS  Michigan
ICT BCBS  Western New York
ICU Regence BCBS  Utah
ICV BCBS  Michigan
ICW BCBS  Massachusetts
ICX Prefix yet to assign
ICY Anthem Central Region (OH, IN, KY)
ICZ Carefirst BCBS  Maryland
IDA Blue Cross  Idaho
IDB Prefix yet to assign
IDC Prefix yet to assign
IDD Anthem BCBS  Virginia
IDG Carefirst BCBS  Maryland
IDH Prefix yet to assign
IDJ Anthem BCBS  Virginia
IDK Prefix yet to assign
IDL Prefix yet to assign
IDN Prefix yet to assign
IDO Prefix yet to assign
IDP Blue Cross  Idaho
IDQ Prefix yet to assign
IDR Anthem Blue Cross  California
IDS Prefix yet to assign
IDT Prefix yet to assign
IDU Prefix yet to assign
IDW Anthem Central Region (OH, IN, KY)
IDX BCBS  Illinois
IDY Prefix yet to assign
IDZ Carefirst BCBS  Maryland
IEA Prefix yet to assign
IEB Anthem
IEC Blue Shield  California
IED Anthem Central Region (OH, IN, KY)
IEF Prefix yet to assign
IEG Carefirst BCBS  Maryland
IEH Premera Blue Cross
IEL BCBS  Illinois
IEM Prefix yet to assign
IEN Prefix yet to assign
IEP BCBS  Louisiana
IEQ Anthem Central Region (OH, IN, KY)
IER Prefix yet to assign
IES BCBS  Texas
IET Prefix yet to assign
IEU BCBS  Louisiana
IEV BCBS  Alabama
IEW BCBS  Illinois
IEX Prefix yet to assign
IFA Prefix yet to assign
IFB Wellmark BCBS
IFC BCBS  Western New York
IFD Prefix yet to assign
IFE Prefix yet to assign
IFF Wellmark BCBS
IFG Anthem Central Region (OH, IN, KY)
IFH Prefix yet to assign
IFI Prefix yet to assign
IFL Regence Blue Cross Blue Shield  Oregon
IFP Prefix yet to assign
IFQ Carefirst BCBS  Maryland
IFR Anthem Central Region (OH, IN, KY)
IFS BCBS  Kansas City
IFW Prefix yet to assign
IFX Prefix yet to assign
IFY Carefirst BCBS  Maryland
IGB BCBS  Georgia
IGC Carefirst Administrators
IGD Wellmark BCBS
IGH Prefix yet to assign
IGI Wellmark BCBS
IGK Prefix yet to assign
IGL Prefix yet to assign
IGN Prefix yet to assign
IGP Wellmark BCBS
IGR Prefix yet to assign
IGS BCBS  Alabama
IGT Blue Shield  California
IGV Prefix yet to assign
IGW Carefirst BCBS  Maryland
IGX Carefirst BCBS  Maryland
IGY Carefirst BCBS  Maryland
IGZ Prefix yet to assign
IHA Blue Shield  California
IHB Wellmark BCBS
IHC Carefirst BCBS  Maryland
IHD BCBS  Nebraska
IHE Anthem Central Region (OH, IN, KY)
IHF Empire BCBS  New York
IHG Prefix yet to assign
IHH BCBS  Alabama
IHK Prefix yet to assign
IHL Prefix yet to assign
IHM Prefix yet to assign
IHN Prefix yet to assign
IHP Carefirst BCBS  Maryland
IHQ Prefix yet to assign
IHR Prefix yet to assign
IHS Prefix yet to assign
IHT BCBS  Alabama
IHV Horizon BCBS  New Jersey
IHW Blue Shield  California
IHX Horizon BCBS  New Jersey
IHZ Anthem Blue Cross  California
IIB BCBS  Michigan
III BCBS  Tennessee
IIS BCBS  Michigan
IIT BCBS  Illinois
IJA Anthem Central Region (OH, IN, KY)
IJB Anthem
IJC BCBS  South Carolina
IJD Prefix yet to assign
IJK Prefix yet to assign
IJM Prefix yet to assign
IJO Prefix yet to assign
IJP Prefix yet to assign
IJR Blue Cross  Idaho
IJS Anthem Central Region (OH, IN, KY)
IJU BCBS  Texas
IJW Horizon BCBS  New Jersey
IJX Prefix yet to assign
IKA Prefix yet to assign
IKB Prefix yet to assign
IKC Prefix yet to assign
IKD Wellmark BCBS
IKE Independence Blue Cross
IKF Independence Blue Cross
IKH Wellmark BCBS
IKI Prefix yet to assign
IKL Anthem BCBS  Virginia
IKM Independence Blue Cross
IKN Prefix yet to assign
IKO Prefix yet to assign
IKP Prefix yet to assign
IKQ Wellmark BCBS
IKT Blue Cross  Idaho
IKZ Prefix yet to assign
ILA Prefix yet to assign
ILB BCBS  Massachusetts
ILC Wellmark BCBS
ILD BCBS  Michigan
ILF Prefix yet to assign
ILG Blue Shield  California
ILH Anthem Blue Cross  California
ILI Blue Shield  California
ILL Anthem Blue Cross  California
ILM Anthem Blue Cross  California
ILN BCBS  Tennessee
ILP Prefix yet to assign
ILR Anthem Central Region (OH, IN, KY)
ILS Premera Blue Cross
ILT BCBS  Illinois
ILU Anthem Blue Cross  California
ILW Prefix yet to assign
ILY Anthem Blue Cross  California
IMA Excellus BCBS  New York
IMB Prefix yet to assign
IMC Premera Blue Cross
IMD Anthem
IME Prefix yet to assign
IMF Prefix yet to assign
IMG Anthem Blue Cross  California
IMI Wellmark BCBS
IMM Anthem BCBS  Nevada
IMO Prefix yet to assign
IMP BCBS  Alabama
IMQ Prefix yet to assign
IMR Prefix yet to assign
IMU Prefix yet to assign
IMV Prefix yet to assign
IMW Prefix yet to assign
IMY Prefix yet to assign
IMZ Prefix yet to assign
INA Prefix yet to assign
INB Premera Blue Cross
INC Anthem Blue Cross  California
IND Anthem BCBS  Virginia
INE BCBS  South Carolina
INF Blue Shield  California
ING Prefix yet to assign
INH Regence Blue Cross Blue Shield  Utah
INI BCBS  Delaware
INJ Prefix yet to assign
INM Prefix yet to assign
INO Blue Shield  California
INQ Prefix yet to assign
INR Prefix yet to assign
INS Wellmark BCBS
INT BCBS  Alabama
INU BCBS  South Carolina
INV Prefix yet to assign
INW Independence Blue Cross
INX Prefix yet to assign
INY Anthem Blue Cross  California
INZ Prefix yet to assign
IOA BCBS  Arizona
IOB Prefix yet to assign
IOD Prefix yet to assign
IOE Empire BCBS  New York
IOK Anthem BCBS  Virginia
ION BCBS  Florida
IOP Prefix yet to assign
IOQ Prefix yet to assign
IOS BCBS  Louisiana
IOT Highmark BCBS
IOV Prefix yet to assign
IOZ Prefix yet to assign
IPA Highmark BCBS
IPB Prefix yet to assign
IPD Prefix yet to assign
IPE Blue Shield  California
IPF Wellmark BCBS
IPG Anthem BCBS  Virginia
IPH BCBS  Kansas
IPK Prefix yet to assign
IPM Highmark BCBS
IPN Highmark BCBS
IPP BCBS  Alabama
IPR Wellmark BCBS
IPS Blue Shield  California
IPT BCBS  Illinois
IPU Blue Cross  Idaho
IPV BCBS  Michigan
IPW Regence Blue Shield  Idaho
IQA Premera Blue Cross
IQC Prefix yet to assign
IQE BCBS  Tennessee
IQH Prefix yet to assign
IQM Prefix yet to assign
IQT Prefix yet to assign
IQU BCBS  Michigan
IQV Anthem Blue Cross  California
IQW Anthem Blue Cross  California
IQX Anthem Blue Cross  California
IQZ Horizon BCBS  New Jersey
IRA Horizon BCBS  New Jersey
IRD BCBS  Massachusetts
IRE Prefix yet to assign
IRG Prefix yet to assign
IRM Prefix yet to assign
IRO Prefix yet to assign
IRP BCBS  Florida
IRS BCBS  Florida
IRT Prefix yet to assign
IRU Anthem Central Region (OH, IN, KY)
IRX Prefix yet to assign
IRZ Anthem Blue Cross  California
ISA Anthem Central Region (OH, IN, KY)
ISB Premera Blue Cross
ISC Horizon BCBS  New Jersey
ISD Prefix yet to assign
ISE Prefix yet to assign
ISF Prefix yet to assign
ISG Anthem Central Region (OH, IN, KY)
ISH Carefirst BCBS  Maryland
ISI Anthem Blue Cross  California
ISJ Prefix yet to assign
ISK Carefirst BCBS  Maryland
ISL Wellmark BCBS
ISM Highmark BCBS
ISP Blue Cross  Idaho
ISQ Prefix yet to assign
ISR Carefirst BCBS  Maryland
ISS Horizon BCBS  New Jersey
IST Blue Cross  Idaho
ISV BCBS  Michigan
ISX Wellmark BCBS
ISY Prefix yet to assign
ISZ Prefix yet to assign
ITA Carefirst BCBS  Maryland
ITB Wellmark BCBS
ITC BCBS  Massachusetts
ITD Prefix yet to assign
ITE BCBS  North Carolina
ITF BCBS  Michigan
ITG Prefix yet to assign
ITL BCBS  Illinois
ITM BCBS  Michigan
ITP Anthem Central Region (OH, IN, KY)
ITQ Wellmark BCBS
ITR Empire BCBS  New York
ITS BCBS  Arkansas Blue Advantage
ITT Anthem Blue Cross  California
ITU Prefix yet to assign
ITV Regence BCBS  Washington
ITW BCBS  Illinois
ITY Regence BCBS  Washington
IUA Wellmark BCBS
IUB Anthem Central Region (OH, IN, KY)
IUC Prefix yet to assign
IUE Empire BCBS  New York
IUF Anthem Central Region (OH, IN, KY)
IUG Premera Blue Cross
IUH BCBS  Massachusetts
IUK BCBS  South Carolina
IUL Carefirst BCBS  Maryland
IUM Prefix yet to assign
IUO Anthem Central Region (OH, IN, KY)
IUP Anthem Taft Hartley National Account
IUQ Carefirst BCBS  Maryland
IUR Independence Blue Cross
IUS Prefix yet to assign
IUU Anthem Central Region (OH, IN, KY)
IUW Anthem Central Region (OH, IN, KY)
IUX Prefix yet to assign
IUZ Empire BCBS  New York
IVB BCBS  Michigan
IVD Prefix yet to assign
IVG Prefix yet to assign
IVJ Anthem
IVK BCBS  Mississippi
IVL Prefix yet to assign
IVM Prefix yet to assign
IVO Horizon BCBS  New Jersey
IVP BCBS  Michigan
IVR Prefix yet to assign
IVS Anthem Blue Cross  California
IVT Regence BCBS  Oregon
IVU Prefix yet to assign
IVW Anthem Central Region (OH, IN, KY)
IVY Prefix yet to assign
IVZ Anthem Central Region (OH, IN, KY)
IWA Anthem
IWB BCBS  Nebraska
IWD Carefirst BCBS  Maryland
IWE Wellmark BCBS
IWG Excellus BCBS  New York
IWH Carefirst BCBS  Maryland
IWJ Anthem
IWK BCBS  Michigan
IWL Prefix yet to assign
IWM Blue Shield  Northeastern New York
IWN Anthem Central Region (OH, IN, KY)
IWO Anthem Central Region (OH, IN, KY)
IWP BCBS  Michigan
IWS Wellmark BCBS
IWT Capital Blue Cross
IWU Anthem BCBS  Virginia
IWV BCBS  Kansas City
IWW Prefix yet to assign
IWY Empire BCBS  New York
IWZ BCBS  Michigan
IXA Prefix yet to assign
IXB Prefix yet to assign
IXC Prefix yet to assign
IXD Anthem Blue Cross  California
IXE Anthem Central Region (OH, IN, KY)
IXF Anthem Central Region (OH, IN, KY)
IXG Anthem Central Region (OH, IN, KY)
IXH Anthem Central Region (OH, IN, KY)
IXI Prefix yet to assign
IXJ Anthem Central Region (OH, IN, KY)
IXK Anthem Central Region (OH, IN, KY)
IXN Anthem Central Region (OH, IN, KY)
IXP Prefix yet to assign
IXR Prefix yet to assign
IXT Anthem Blue Cross  California
IXU Independence Blue Cross
IXW BCBS  Michigan
IXX Anthem Central Region (OH, IN, KY)
IXY Anthem Central Region (OH, IN, KY)
IYC Independence Blue Cross
IYE Prefix yet to assign
IYF Anthem Central Region (OH, IN, KY)
IYH Anthem
IYO Prefix yet to assign
IYP Prefix yet to assign
IYQ Prefix yet to assign
IYS Prefix yet to assign
IYT Prefix yet to assign
IZA BCBS  Alabama
IZC Anthem Central Region (OH, IN, KY)
IZD Prefix yet to assign
IZE Carefirst BCBS  Maryland
IZO Prefix yet to assign
IZP Blue Cross  Idaho
IZQ Prefix yet to assign
IZS BCBS  Michigan
IZU Wellmark BCBS
IZZ Anthem Blue Cross  California
ISU Blue Cross  Idaho

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