BCBS Alpha Prefix List from CAA to CZZ Updated (2022)

BCBS Alpha Prefix List of “C”-series Blue Cross Blue Shield insurance Companies – Statewise
CAA Carefirst BCBS of Maryland the (MD), District of Columbia (DC), and the Northern Virginia (VA)
CAB Anthem BCBS of Wisconsin (WI)
CAC Anthem BCBS of Missouri (MO)
CAD BCBS of Massachusetts (MA)
CAE Empire BCBS of New York (NY)
CAF BCBS of Mississippi (MS)
CAG Blue Shield (BS) of California
CAH Anthem BCBS of Georgia (GA)
CAI Anthem Blue Cross(BC) of California (CA)
CAJ Wellmark
CAK Blue Shield (BS) of California
CAL BCBS of Minnesota (MN)
CAM Highmark BCBS of West Virginia (WV)
CAN BCBS of Illinois (IL)
CAO Unassigned Prefix
CAP BCBS of Texas (TX)
CAQ Premera BCBS of Alaska (AK)
CAR Anthem BCBS of Wisconsin (WI)
CAS BCBS of Texas (TX)
CAT Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CAU Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CAV Premera BCBS of Alaska (AK)
CAW Blue Shield (BS) of California
CAX Anthem Blue Cross(BC) of California (CA)
CAY BCBS of Massachusetts (MA)
CAZ BCBS of Minnesota (MN)
CBA Anthem Blue Cross(BC) of California (CA)
CBB BCBS of Texas (TX)
CBC Unassigned Prefix
CBD Highmark BCBS of Pennsylvania (PA)
CBE Unassigned Prefix
CBF Anthem BCBS of Ohio (OH)
CBG BCBS of Alabama (AL)
CBH Anthem BCBS of Colorado (CO)
CBI Anthem BCBS of Ohio (OH)
CBJ BCBS of South Carolina (SC) / Southcarolinablues
CBK Anthem BCBS of Ohio (OH)
CBL Unassigned Prefix
CBM Anthem Blue Cross(BC) of California (CA)
CBN Unassigned Prefix
CBO BCBS of Louisiana(LA)
CBP Anthem BCBS of Ohio (OH)
CBQ Anthem Blue Cross(BC) of California (CA)
CBR Anthem BCBS of Wisconsin (WI)
CBS Anthem BCBS of New Hampshire (NH)
CBT Anthem BCBS of Ohio (OH)
CBU Horizon BCBS of New Jersey (NJ)
CBV BCBS of Louisiana(LA)
CBW Anthem BCBS of Colorado (CO)
CBX Unassigned Prefix
CBY BCBS of Illinois (IL)
CBZ Horizon BCBS of New Jersey (NJ)
CCA Unassigned Prefix
CCB Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CCC Blue Cross (BC) of Idaho (ID)
CCD BCBS of South Carolina (SC) / Southcarolinablues
CCE Unassigned Prefix
CCF BCBS of Illinois (IL)
CCG Unassigned Prefix
CCH Wellmark
CCI BCBS Blue Care Network Michigan (MI)
CCJ BCBS Blue Care Network Michigan (MI)
CCK BCBS of Minnesota (MN)
CCL BCBS of Illinois (IL)
CCM BCBS of Texas (TX)
CCN Unassigned Prefix
CCO Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CCP Unassigned Prefix
CCQ Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CCR Wellmark
CCS Unassigned Prefix
CCT Unassigned Prefix
CCU Unassigned Prefix
CCV BCBS Prefix Anthem Blue Cross(BC) of California (CA)
CCW Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CCX BCBS of Minnesota (MN)
CCY Wellmark
CCZ Blue Shield (BS) of California
CDA BCBS of Illinois (IL)
CDB Unassigned Prefix
CDC BCBS of Arizona (AZ)
CDD Unassigned Prefix
CDE Unassigned Prefix
CDF Anthem BCBS of Kentucky (KY)
CDG Wellmark
CDH Unassigned Prefix
CDI Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CDJ Anthem BCBS of Indiana (IN)
CDK Empire BCBS of New York (NY)
CDL Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CDM Highmark BCBS of Pennsylvania (PA)
CDN Arkansas (AR) Blue Cross
CDO Wellmark
CDP Wellmark
CDQ BCBS Prefix Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CDR Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CDS Blue shield(BS) of Northeastern New York (NeNY)
CDT Anthem BCBS of Connecticut (CT)
CDU BCBS of Illinois (IL)
CDV BCBS of South Carolina (SC) / Southcarolinablues
CDW BCBS of Massachusetts (MA)
CDX BCBS of Illinois (IL)
CDY Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CDZ Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CEA Anthem BCBS of Virginia (VA)
CEB Wellmark
CEC BCBS of Illinois (IL)
CED BCBS of Illinois (IL)
CEE BCBS of Texas (TX)
CEF Anthem BCBS of Ohio (OH)
CEG Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CEH BCBS of Massachusetts (MA)
CEI Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CEJ BCBS of Illinois (IL)
CEK Unassigned Prefix
CEL BCBS of Massachusetts (MA)
CEM Anthem Blue Cross(BC) of California (CA)
CEN Unassigned Prefix
CEO BCBS of Nebraska (NE)
CEP BCBS Prefix BCBS of Illinois (IL)
CEQ Wellmark
CER Unassigned Prefix
CES BCBS of Louisiana(LA)
CET Blue Shield (BS) of California
CEU Unassigned Prefix
CEV BCBS of Illinois (IL)
CEW Wellmark
CEX BCBS of Illinois (IL)
CEY BCBS of Illinois (IL)
CEZ BCBS of Illinois (IL)
CFA Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CFB Wellmark
CFC Anthem BCBS of Georgia (GA)
CFD Anthem BCBS of Indiana (IN)
CFE BCBS of South Carolina (SC) / Southcarolinablues
CFF Highmark BCBS of Pennsylvania (PA)
CFG BCBS of North Carolina (NC)
CFH Anthem Blue Cross(BC) of California (CA)
CFI Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CFJ Wellmark
CFK Wellmark
CFL BCBS of South Carolina (SC) / Southcarolinablues
CFM BCBS of Massachusetts (MA)
CFN BCBS of Massachusetts (MA)
CFO Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CFP Unassigned Prefix
CFQ Unassigned Prefix
CFR BCBS of Illinois (IL)
CFS Horizon BCBS of New Jersey (NJ)
CFT Empire BCBS of New York (NY)
CFU Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CFV Wellmark
CFW Unassigned Prefix
CFX Premera BCBS of Alaska (AK)
CFY Anthem BCBS of Ohio (OH)
CFZ Anthem BCBS of Ohio (OH)
CGA Anthem Blue Cross(BC) of California (CA)
CGB Blue Shield (BS) of California
CGC BCBS of South Carolina (SC) / Southcarolinablues
CGD Blue Shield (BS) of California
CGE BCBS of Texas (TX)
CGF BCBS of Arizona (AZ)
CGG Anthem BCBS of Kentucky (KY)
CGH Anthem BCBS of Missouri (MO)
CGI Wellmark
CGJ BCBS of Massachusetts (MA)
CGK Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CGL BCBS of Minnesota (MN)
CGM Unassigned Prefix
CGN BCBS of Nebraska (NE)
CGO BCBS of Illinois (IL)
CGP Excellus BCBS of New York (NY)
CGQ BCBS of North Carolina (NC)
CGR Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CGS Anthem BCBS of Missouri (MO)
CGT Anthem BCBS of Connecticut (CT)
CGU Unassigned Prefix
CGV Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CGW BCBS of Minnesota (MN)
CGX Anthem BCBS of Missouri (MO)
CGY Florida (FL) Blue
CGZ Anthem BCBS of Ohio (OH)
CHA BCBS of Alabama (AL)
CHB BCBS of Massachusetts (MA)
CHC Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CHD Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CHE Unassigned Prefix
CHF BCBS of Texas (TX)
CHG BCBS of Illinois (IL)
CHH BCBS Prefix BCBS of Tennessee (TN)
CHI Unassigned Prefix
CHJ Unassigned Prefix
CHK Wellmark
CHL Anthem BCBS of Ohio (OH)
CHM BCBS of Nebraska (NE)
CHN Unassigned Prefix
CHO Unassigned Prefix
CHP Capital Blue Cross of Pennsylvania (PA)
CHQ Anthem BCBS of Kentucky (KY)
CHR BCBS of Illinois (IL)
CHS BCBS of North Carolina (NC)
CHT BCBS of Tennessee (TN)
CHU Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CHV BCBS of Illinois (IL)
CHW Unassigned Prefix
CHX BCBS of North Carolina (NC)
CHY BCBS of South Carolina (SC) / Southcarolinablues
CHZ Unassigned Prefix
CIA Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CIB BCBS of Illinois (IL)
CIC Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CID BCBS of North Carolina (NC)
CIE Wellmark
CIF BCBS of Illinois (IL)
CIG Unassigned Prefix
CIH Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CII Anthem BCBS of Georgia (GA)
CIJ Blue Cross (BC) of Idaho (ID)
CIK Capital Blue Cross of Pennsylvania (PA)
CIL Unassigned Prefix
CIM Unassigned Prefix
CIN Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CIO Capital Blue Cross of Pennsylvania (PA)
CIP BCBS of Alabama (AL)
CIQ BCBS of Tennessee (TN)
CIR Premera BCBS of Alaska (AK)
CIS Regence BCBS
CIT Florida (FL) Blue
CIU Anthem BCBS of Virginia (VA)
CIV Capital Blue Cross of Pennsylvania (PA)
CIW Anthem BCBS of Indiana (IN)
CIX Anthem BCBS of Missouri (MO)
CIY Florida (FL) Blue
CIZ Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CJA Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CJB BCBS of Illinois (IL)
CJC Anthem BCBS of Ohio (OH)
CJD Unassigned Prefix
CJE Empire BCBS of New York (NY)
CJF BCBS of Nebraska (NE)
CJG BCBS of Kansas City
CJH BCBS of North Carolina (NC)
CJI Highmark BCBS of West Virginia (WV)
CJJ Premera BCBS of Alaska (AK)
CJK BCBS of Massachusetts (MA)
CJL Empire BCBS of New York (NY)
CJM Florida (FL) Blue
CJN Florida (FL) Blue
CJO Anthem BCBS of Ohio (OH)
CJP Unassigned Prefix
CJQ Blue Cross (BC) of Idaho (ID)
CJR Anthem BCBS of Wisconsin (WI)
CJS BCBS of Illinois (IL)
CJT BCBS of Texas (TX)
CJU BCBS of Illinois (IL)
CJV Empire BCBS of New York (NY)
CJW Unassigned Prefix
CJX Anthem BCBS of Ohio (OH)
CJY Anthem BCBS of Ohio (OH)
CJZ Wellmark
CKA Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CKB Anthem BCBS of Ohio (OH)
CKC Unassigned Prefix
CKD Unassigned Prefix
CKE Unassigned Prefix
CKF Unassigned Prefix
CKG BCBS of Tennessee (TN)
CKH Anthem BCBS of Indiana (IN)
CKI Anthem BCBS of Georgia (GA)
CKJ Anthem BCBS of Indiana (IN)
CKK Unassigned Prefix
CKL Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CKM Highmark BCBS of Pennsylvania (PA)
CKN Regence BCBS
CKO BCBS of Massachusetts (MA)
CKP BCBS of Texas (TX)
CKQ Anthem BCBS of Ohio (OH)
CKR BCBS of Tennessee (TN)
CKS Anthem BCBS of Missouri (MO)
CKT Unassigned Prefix
CKU Anthem BCBS of Ohio (OH)
CKV Anthem BCBS of Ohio (OH)
CKW Anthem BCBS of Indiana (IN)
CKX Unassigned Prefix
CKY Blue Shield (BS) of California
CKZ Unassigned Prefix
CLA Unassigned Prefix
CLB BCBS of Illinois (IL)
CLC BCBS of South Carolina (SC) / Southcarolinablues
CLD Anthem BCBS of Georgia (GA)
CLE BCBS of Texas (TX)
CLF Anthem BCBS of Georgia (GA)
CLG Unassigned Prefix
CLH Excellus BCBS of New York (NY)
CLI Wellmark
CLJ Anthem BCBS of Ohio (OH)
CLK Unassigned Prefix
CLL Anthem Blue Cross(BC) of California (CA)
CLM Wellmark
CLN BCBS of North Carolina (NC)
CLO BCBS of Mississippi (MS)
CLP Unassigned Prefix
CLQ Unassigned Prefix
CLR Premera BCBS of Alaska (AK)
CLS BCBS of Massachusetts (MA)
CLT Wellmark
CLU Anthem BCBS of Virginia (VA)
CLV Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CLW Anthem BCBS of Georgia (GA)
CLX Unassigned Prefix
CLY Wellmark
CLZ Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CMA BCBS Blue Care Network Michigan (MI)
CMB Anthem BCBS of Virginia (VA)
CMC Wellmark
CMD Anthem BCBS of Missouri (MO)
CME BCBS of Illinois (IL)
CMF Wellmark
CMG Wellmark
CMH BCBS of Tennessee (TN)
CMI Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CMJ Anthem BCBS of Indiana (IN)
CMK Anthem BCBS of Ohio (OH)
CML Unassigned Prefix
CMM BCBS of Massachusetts (MA)
CMN Blue shield(BS) of Northeastern New York (NeNY)
CMO Unassigned Prefix
CMP BCBS of Minnesota (MN)
CMQ Regence BCBS
CMR BCBS of Illinois (IL)
CMS BCBS of Massachusetts (MA)
CMT Anthem BCBS of Ohio (OH)
CMU Highmark BCBS of Pennsylvania (PA)
CMV Blue Shield (BS) of California
CMW Wellmark
CMX Excellus BCBS of New York (NY)
CMY Blue Cross (BC) of Idaho (ID)
CMZ Anthem BCBS of Ohio (OH)
CNA Unassigned Prefix
CNB Anthem BCBS of Ohio (OH)
CNC BCBS of Texas (TX)
CND Unassigned Prefix
CNE Wellmark
CNF Wellmark
CNG Highmark BCBS of Pennsylvania (PA)
CNH Anthem BCBS of Ohio (OH)
CNI BCBS of Texas (TX)
CNJ BCBS of South Carolina (SC) / Southcarolinablues
CNK Wellmark
CNL BCBS of Illinois (IL)
CNM Highmark BCBS of Pennsylvania (PA)
CNN Unassigned Prefix
CNO Unassigned Prefix
CNP Unassigned Prefix
CNQ Unassigned Prefix
CNR Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CNS Unassigned Prefix
CNT BCBS of Illinois (IL)
CNU Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CNV BCBS of Illinois (IL)
CNW Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CNX BCBS of Minnesota (MN)
CNY Anthem BCBS of Virginia (VA)
CNZ BCBS of Illinois (IL)
COA Capital Blue Cross of Pennsylvania (PA)
COB BCBS of Texas (TX)
COC Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
COD Anthem BCBS of Ohio (OH)
COE Unassigned Prefix
COF Unassigned Prefix
COG Anthem BCBS of Colorado (CO)
COH Unassigned Prefix
COI Unassigned Prefix
COJ BCBS of Alabama (AL)
COK Unassigned Prefix
COL Unassigned Prefix
COM BCBS of Alabama (AL)
CON BCBS of Massachusetts (MA)
COO BCBS of Minnesota (MN)
COP BCBS of Alabama (AL)
COQ Unassigned Prefix
COR Unassigned Prefix
COS Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
COT Blue Cross (BC) of Idaho (ID)
COU Unassigned Prefix
COV BCBS of Arizona (AZ)
COW Unassigned Prefix
COX Blue Shield (BS) of California
COY Capital Blue Cross of Pennsylvania (PA)
COZ Unassigned Prefix
CPA BCBS of Minnesota (MN)
CPB Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CPC BCBS of Alabama (AL)
CPD BCBS of Massachusetts (MA)
CPE BCBS of Illinois (IL)
CPF BCBS of North Carolina (NC)
CPG Blue shield(BS) of Northeastern New York (NeNY)
CPH BCBS of Illinois (IL)
CPI Unassigned Prefix
CPJ Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CPK Regence BCBS
CPL BCBS of Kansas City
CPM Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CPN Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CPO Unassigned Prefix
CPP Wellmark
CPQ Anthem Blue Cross(BC) of California (CA)
CPR BCBS Prefix Anthem Blue Cross(BC) of California (CA)
CPS BCBS of Alabama (AL)
CPT Anthem Blue Cross(BC) of California (CA)
CPU BCBS of Nebraska (NE)
CPV Anthem BCBS of Georgia (GA)
CPW Wellmark
CPX Unassigned Prefix
CPY BCBS of Illinois (IL)
CPZ Blue shield(BS) of Northeastern New York (NeNY)
CQA Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CQB Anthem Blue Cross(BC) of California (CA)
CQC Unassigned Prefix
CQD Unassigned Prefix
CQE Anthem BCBS of Missouri (MO)
CQF Unassigned Prefix
CQG Unassigned Prefix
CQH Regence BCBS
CQI Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CQJ BCBS of Texas (TX)
CQK Blue Shield (BS) of California
CQL Unassigned Prefix
CQM BCBS Prefix Highmark BCBS of Pennsylvania (PA)
CQN Blue Shield (BS) of California
CQO Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CQP Unassigned Prefix
CQQ Anthem BCBS of Colorado (CO)
CQR Unassigned Prefix
CQS BCBS of Western New York (WNY)
CQT Unassigned Prefix
CQU Unassigned Prefix
CQV Wellmark
CQW Unassigned Prefix
CQX Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CQY Wellmark
CQZ Unassigned Prefix
CRA Capital Blue Cross of Pennsylvania (PA)
CRB BCBS of Minnesota (MN)
CRC Capital Blue Cross of Pennsylvania (PA)
CRD Unassigned Prefix
CRE Blue Shield (BS) of California
CRF BCBS of North Carolina (NC)
CRG BCBS of Texas (TX)
CRH BCBS Blue Care Network Michigan (MI)
CRI Anthem BCBS of Ohio (OH)
CRJ Unassigned Prefix
CRK BCBS of Texas (TX)
CRL Excellus BCBS of New York (NY)
CRM BCBS of Illinois (IL)
CRN BCBS of North Carolina (NC)
CRO Anthem BCBS of Virginia (VA)
CRP BCBS of Illinois (IL)
CRQ Anthem BCBS of Wisconsin (WI)
CRR Anthem BCBS of Ohio (OH)
CRS Premera BCBS of Alaska (AK)
CRT Unassigned Prefix
CRU BCBS of Western New York (WNY)
CRV Unassigned Prefix
CRW Anthem Blue Cross(BC) of California (CA)
CRX BCBS of North Carolina (NC)
CRY BCBS of Tennessee (TN)
CRZ BCBS of Texas (TX)
CSA BCBS of Alabama (AL)
CSB BCBS of Illinois (IL)
CSC Florida (FL) Blue
CSD Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CSE Unassigned Prefix
CSF Anthem BCBS of Colorado (CO)
CSG Anthem BCBS of Indiana (IN)
CSH Anthem BCBS of Georgia (GA)
CSI BCBS of Kansas City
CSJ Anthem BCBS of Missouri (MO)
CSK Wellmark
CSL Horizon BCBS of New Jersey (NJ)
CSM Arkansas (AR) Blue Cross
CSN Unassigned Prefix
CSO Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CSP Excellus BCBS of New York (NY)
CSQ Anthem BCBS of Missouri (MO)
CSR Blue Shield (BS) of California
CSS Anthem BCBS of Colorado (CO)
CST Anthem BCBS of Colorado (CO)
CSU Regence BCBS
CSV Anthem BCBS of Virginia (VA)
CSW Unassigned Prefix
CSX Wellmark
CSY Unassigned Prefix
CSZ BCBS of South Carolina (SC) / Southcarolinablues
CTA BCBS of Massachusetts (MA)
CTB BCBS of South Carolina (SC) / Southcarolinablues
CTC BCBS of Oklahoma (OK)
CTD Anthem BCBS of Indiana (IN)
CTE Unassigned Prefix
CTF BCBS of Minnesota (MN)
CTG Anthem BCBS of Connecticut (CT)
CTH BCBS of South Carolina (SC) / Southcarolinablues
CTI BCBS of Massachusetts (MA)
CTJ Anthem BCBS of Indiana (IN)
CTK Capital Blue Cross of Pennsylvania (PA)
CTL BCBS of Illinois (IL)
CTM Blue Cross (BC) of Idaho (ID)
CTN Unassigned Prefix
CTO Blue Shield (BS) of California
CTP Unassigned Prefix
CTQ BCBS of Western New York (WNY)
CTR Anthem BCBS of Indiana (IN)
CTS BCBS of Nebraska (NE)
CTT Premera BCBS of Alaska (AK)
CTU Blue Shield (BS) of California
CTV Unassigned Prefix
CTW Premera BCBS of Alaska (AK)
CTX Blue Shield (BS) of California
CTY BCBS of Illinois (IL)
CTZ BCBS of Arizona (AZ)
CUA Unassigned Prefix
CUB Excellus BCBS of New York (NY)
CUC Unassigned Prefix
CUD BCBS of Massachusetts (MA)
CUE Unassigned Prefix
CUF Blue Shield (BS) of California
CUG Wellmark
CUH Anthem BCBS of Colorado (CO)
CUI Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CUJ Unassigned Prefix
CUK BCBS of Alabama (AL)
CUL Unassigned Prefix
CUM Unassigned Prefix
CUN Highmark BCBS of Pennsylvania (PA)
CUO Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CUP Wellmark
CUQ Blue Shield (BS) of California
CUR BCBS of Western New York (WNY)
CUS Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CUT BCBS of Illinois (IL)
CUU BCBS of Texas (TX)
CUV BCBS of Illinois (IL)
CUW Wellmark
CUX Regence BCBS
CUY Regence BCBS
CUZ Anthem BCBS of Ohio (OH)
CVA Anthem BCBS of Indiana (IN)
CVB Florida (FL) Blue
CVC BCBS of Illinois (IL)
CVD Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CVE Anthem BCBS of Indiana (IN)
CVF Anthem BCBS of Ohio (OH)
CVG Anthem BCBS of Ohio (OH)
CVH Unassigned Prefix
CVI BCBS of Alabama (AL)
CVJ Florida (FL) Blue
CVK Florida (FL) Blue
CVL Regence BCBS
CVM Anthem BCBS of Wisconsin (WI)
CVN Anthem BCBS of Connecticut (CT)
CVO Anthem BCBS of Virginia (VA)
CVP Anthem BCBS of Ohio (OH)
CVQ Unassigned Prefix
CVR Anthem BCBS of Indiana (IN)
CVS Wellmark
CVT Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CVU Anthem BCBS of Virginia (VA)
CVV Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CVW Unassigned Prefix
CVX BCBS of Illinois (IL)
CVY Anthem BCBS of Ohio (OH)
CVZ Wellmark
CWA Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CWB Anthem BCBS of Ohio (OH)
CWC Unassigned Prefix
CWD Wellmark
CWE BCBS Blue Care Network Michigan (MI)
CWF Blue Cross (BC) of Idaho (ID)
CWG Anthem BCBS of Ohio (OH)
CWH Anthem BCBS of Missouri (MO)
CWI Blue Shield (BS) of California
CWJ Unassigned Prefix
CWK BCBS of Massachusetts (MA)
CWL Unassigned Prefix
CWM Highmark BCBS of Pennsylvania (PA)
CWN Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CWO BCBS of Massachusetts (MA)
CWP BCBS of Texas (TX)
CWQ Anthem BCBS of Ohio (OH)
CWR Anthem BCBS of Wisconsin (WI)
CWS Anthem BCBS of Georgia (GA)
CWT BCBS of Texas (TX)
CWU Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CWV Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CWW Wellmark
CWX Anthem BCBS of Missouri (MO)
CWY Wellmark
CWZ Empire BCBS of New York (NY)
CXA Unassigned Prefix
CXB Blue Cross (BC) of Idaho (ID)
CXC BCBS of Rhode Islanad (RI)
CXD BCBS of Illinois (IL)
CXE Unassigned Prefix
CXF Premera BCBS of Alaska (AK)
CXG BCBS of Minnesota (MN)
CXH BCBS of Minnesota (MN)
CXI BCBS of Nebraska (NE)
CXJ Excellus BCBS of New York (NY)
CXK BCBS of Texas (TX)
CXL Unassigned Prefix
CXM Unassigned Prefix
CXN Unassigned Prefix
CXO Arkansas (AR) Blue Cross
CXP BCBS of Texas (TX)
CXQ Wellmark
CXR BCBS of Rhode Islanad (RI)
CXS Anthem BCBS of Georgia (GA)
CXT BCBS of Illinois (IL)
CXU Unassigned Prefix
CXV Unassigned Prefix
CXW Unassigned Prefix
CXX Blue Shield (BS) of California
CXY Unassigned Prefix
CXZ Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CYA BCBS of Illinois (IL)
CYB Blue Shield (BS) of California
CYC BCBS of Illinois (IL)
CYD Unassigned Prefix
CYE Regence BCBS
CYF Unassigned Prefix
CYG Florida (FL) Blue
CYH Unassigned Prefix
CYI BCBS of Massachusetts (MA)
CYJ Anthem BCBS of Georgia (GA)
CYK Florida (FL) Blue
CYL BCBS of Illinois (IL)
CYM Unassigned Prefix
CYN Unassigned Prefix
CYO BCBS of Massachusetts (MA)
CYP BCBS of Illinois (IL)
CYQ Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CYR BCBS of Texas (TX)
CYS BCBS Prefix BCBS of Illinois (IL)
CYT Anthem BCBS of Georgia (GA)
CYU Empire BCBS of New York (NY)
CYV Regence BCBS
CYW Unassigned Prefix
CYX BCBS of North Carolina (NC)
CYY BCBS of North Carolina (NC)
CYZ Regence BCBS
CZA Anthem BCBS of Kentucky (KY)
CZB Anthem BCBS of Indiana (IN)
CZC Anthem BCBS of Connecticut (CT)
CZD Unassigned Prefix
CZE BCBS of Texas (TX)
CZF Unassigned Prefix
CZG Carefirst BCBS of Maryland the (MD), District of Columbia (DC) and the Northern Virginia (VA)
CZH Anthem BCBS of Connecticut (CT)
CZI Blue Shield (BS) of California
CZJ Unassigned Prefix
CZK Anthem BCBS of Virginia (VA)
CZL Unassigned Prefix
CZM Unassigned Prefix
CZN Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CZO Unassigned Prefix
CZP Anthem BCBS of Ohio (OH)
CZQ Anthem BCBS of Ohio (OH)
CZR Wellmark
CZS Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CZT Anthem BCBS of Connecticut (CT)
CZU Anthem Blue Cross(BC) of California (CA)
CZV Independence Blue Cross(BC) of Philadelphia(Phi) and the Southeastern Pennsylvania(PA)
CZW BCBS of Minnesota (MN)
CZX Unassigned Prefix
CZY BCBS of North Carolina (NC)
CZZ Unassigned Prefix

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