The list of BCBS alpha prefix CAA-CZZ there are total of 795 alpha prefix in BCBS CAA-CZZ list and 41 are Not Assigned prefixes out of 795. We have listed below all the BCBS Alpha Prefixes along with BCBS home plan with State name for BCBS member IDs from CAA to CZZ.
BCBS Alpha Prefix CAA-CZZ
| BCBS Prefix 2024 | BCBS Plan Name |
|---|---|
| CAA | Carefirst BCBS |
| CAB | Anthem Blue Cross Blue Shield Wisconsin |
| CAC | Anthem Blue Cross Blue Shield Missouri |
| CAD | Blue Cross Blue Shield Massachusetts |
| CAE | Empire Blue Cross Blue Shield New York |
| CAF | Blue Cross Blue Shield Mississippi |
| CAG | Blue Shield of California |
| CAH | Anthem Blue Cross Blue Shield Georgia |
| CAI | Anthem Blue Cross |
| CAJ | Wellmark BCBS |
| CAK | Blue Shield of California |
| CAL | Blue Cross Blue Shield Minnesota |
| CAM | Highmark Blue Cross Blue Shield West Virginia |
| CAN | Blue Cross Blue Shield Illinois |
| CAO | No Assigned Prefix |
| CAP | Blue Cross Blue Shield Texas |
| CAQ | Premera Blue Cross of Alaska |
| CAR | Anthem Blue Cross Blue Shield Wisconsin |
| CAS | Blue Cross Blue Shield Texas |
| CAT | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CAU | Carefirst BCBS |
| CAV | Premera Blue Cross of Alaska |
| CAW | Blue Shield of California |
| CAX | Anthem Blue Cross |
| CAY | Blue Cross Blue Shield Massachusetts |
| CAZ | Blue Cross Blue Shield Minnesota |
| CBA | Anthem Blue Cross |
| CBB | Blue Cross Blue Shield Texas |
| CBC | No Assigned Prefix |
| CBD | Highmark Blue Cross Blue Shield Pennsylvania |
| CBE | No Assigned Prefix |
| CBF | Anthem Blue Cross Blue Shield Ohio |
| CBG | Blue Cross Blue Shield Alabama |
| CBH | Anthem Blue Cross Blue Shield Colorado |
| CBI | Anthem Blue Cross Blue Shield Ohio |
| CBJ | Blue Cross Blue Shield South Carolina |
| CBK | Anthem Blue Cross Blue Shield Ohio |
| CBL | No Assigned Prefix |
| CBM | Anthem Blue Cross |
| CBN | No Assigned Prefix |
| CBO | Blue Cross Blue Shield Louisiana |
| CBP | Anthem Blue Cross Blue Shield Ohio |
| CBQ | Anthem Blue Cross |
| CBR | Anthem Blue Cross Blue Shield Wisconsin |
| CBS | Anthem Blue Cross Blue Shield New Hampshire |
| CBT | Anthem Blue Cross Blue Shield Ohio |
| CBU | Horizon Blue Cross Blue Shield New Jersey |
| CBV | Blue Cross Blue Shield Louisiana |
| CBW | Anthem Blue Cross Blue Shield Colorado |
| CBX | No Assigned Prefix |
| CBY | Blue Cross Blue Shield Illinois |
| CBZ | Horizon Blue Cross Blue Shield New Jersey |
| CCA | Empire Blue Cross Blue Shield New York |
| CCB | Carefirst BCBS |
| CCC | Blue Cross of Idaho |
| CCD | Blue Cross Blue Shield South Carolina |
| CCE | No Assigned Prefix |
| CCF | Blue Cross Blue Shield Illinois |
| CCG | No Assigned Prefix |
| CCH | Wellmark BCBS |
| CCI | Blue Cross Blue Shield Michigan |
| CCJ | Blue Cross Blue Shield Michigan |
| CCK | Blue Cross Blue Shield Minnesota |
| CCL | Blue Cross Blue Shield Illinois |
| CCM | Blue Cross Blue Shield Texas |
| CCN | No Assigned Prefix |
| CCO | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CCP | No Assigned Prefix |
| CCQ | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CCR | Wellmark BCBS |
| CCS | No Assigned Prefix |
| CCT | No Assigned Prefix |
| CCU | No Assigned Prefix |
| BCBS Prefix CCV | Anthem Blue Cross |
| CCW | Carefirst BCBS |
| CCX | Blue Cross Blue Shield Minnesota |
| CCY | Wellmark BCBS |
| CCZ | Blue Shield of California |
| CDA | Blue Cross Blue Shield Illinois |
| CDB | No Assigned Prefix |
| CDC | Blue Cross Blue Shield Arizona |
| CDD | No Assigned Prefix |
| CDE | No Assigned Prefix |
| CDF | Anthem Blue Cross Blue Shield Kentucky |
| CDG | Wellmark BCBS |
| CDH | No Assigned Prefix |
| CDI | Carefirst BCBS |
| CDJ | Anthem Blue Cross Blue Shield Indiana |
| CDK | Empire Blue Cross Blue Shield New York |
| CDL | Carefirst BCBS |
| CDM | Highmark Blue Cross Blue Shield Pennsylvania |
| CDN | Arkansas BCBS |
| CDO | Wellmark BCBS |
| CDP | Wellmark BCBS |
| CDQ | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CDR | Carefirst BCBS |
| CDS | Blue Shield of Northeastern New York |
| CDT | Anthem Blue Cross Blue Shield Connecticut |
| CDU | Blue Cross Blue Shield Illinois |
| CDV | Blue Cross Blue Shield South Carolina |
| CDW | Blue Cross Blue Shield Massachusetts |
| CDX | Blue Cross Blue Shield Illinois |
| CDY | Carefirst BCBS |
| CDZ | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CEA | Anthem Blue Cross Blue Shield Virginia |
| CEB | Wellmark BCBS |
| CEC | Blue Cross Blue Shield Illinois |
| CED | Blue Cross Blue Shield Illinois |
| CEE | Blue Cross Blue Shield Texas |
| CEF | Anthem Blue Cross Blue Shield Ohio |
| CEG | Carefirst BCBS |
| CEH | Blue Cross Blue Shield Massachusetts |
| CEI | Carefirst BCBS |
| CEJ | Blue Cross Blue Shield Illinois |
| CEK | No Assigned Prefix |
| CEL | Blue Cross Blue Shield Massachusetts |
| CEM | Anthem Blue Cross |
| CEN | No Assigned Prefix |
| CEO | Blue Cross Blue Shield Nebraska |
| CEP | Blue Cross Blue Shield Illinois |
| CEQ | Wellmark BCBS |
| CER | No Assigned Prefix |
| CES | Blue Cross Blue Shield Louisiana |
| CET | Blue Shield of California |
| CEU | No Assigned Prefix |
| CEV | Blue Cross Blue Shield Illinois |
| CEW | Wellmark BCBS |
| CEX | Blue Cross Blue Shield Illinois |
| CEY | Blue Cross Blue Shield Illinois |
| CEZ | Blue Cross Blue Shield Illinois |
| CFA | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CFB | Wellmark BCBS |
| CFC | Anthem Blue Cross Blue Shield Georgia |
| CFD | Anthem Blue Cross Blue Shield Indiana |
| CFE | Blue Cross Blue Shield South Carolina |
| CFF | Highmark Blue Cross Blue Shield Pennsylvania |
| CFG | Blue Cross Blue Shield North Carolina |
| CFH | Anthem Blue Cross |
| CFI | Carefirst BCBS |
| CFJ | Wellmark BCBS |
| CFK | Wellmark BCBS |
| CFL | Blue Cross Blue Shield South Carolina |
| CFM | Blue Cross Blue Shield Massachusetts |
| CFN | Blue Cross Blue Shield Massachusetts |
| CFO | Carefirst BCBS |
| CFP | No Assigned Prefix |
| CFQ | No Assigned Prefix |
| CFR | Blue Cross Blue Shield Illinois |
| CFS | Horizon Blue Cross Blue Shield New Jersey |
| CFT | Empire Blue Cross Blue Shield New York |
| CFU | Carefirst BCBS |
| CFV | Wellmark BCBS |
| CFW | No Assigned Prefix |
| CFX | Premera Blue Cross of Alaska |
| CFY | Anthem Blue Cross Blue Shield Ohio |
| CFZ | Anthem Blue Cross Blue Shield Ohio |
| CGA | Anthem Blue Cross |
| CGB | Blue Shield of California |
| CGC | Blue Cross Blue Shield South Carolina |
| CGD | Blue Shield of California |
| CGE | Blue Cross Blue Shield Texas |
| CGF | Blue Cross Blue Shield Arizona |
| CGG | Anthem Blue Cross Blue Shield Kentucky |
| CGH | Anthem Blue Cross Blue Shield Missouri |
| CGI | Wellmark BCBS |
| CGJ | Blue Cross Blue Shield Massachusetts |
| CGK | Carefirst BCBS |
| CGL | Blue Cross Blue Shield Minnesota |
| CGM | No Assigned Prefix |
| CGN | Blue Cross Blue Shield Nebraska |
| CGO | Blue Cross Blue Shield Illinois |
| CGP | Excellus Blue Cross Blue Shield New York |
| CGQ | Blue Cross Blue Shield North Carolina |
| CGR | Carefirst BCBS |
| CGS | Anthem Blue Cross Blue Shield Missouri |
| CGT | Anthem Blue Cross Blue Shield Connecticut |
| CGU | No Assigned Prefix |
| CGV | Carefirst BCBS |
| CGW | Blue Cross Blue Shield Minnesota |
| CGX | Anthem Blue Cross Blue Shield Missouri |
| CGY | Florida-Blue |
| CGZ | Anthem Blue Cross Blue Shield Ohio |
| CHA | Blue Cross Blue Shield Alabama |
| CHB | Blue Cross Blue Shield Massachusetts |
| CHC | Carefirst BCBS |
| CHD | Carefirst BCBS |
| CHE | No Assigned Prefix |
| CHF | Blue Cross Blue Shield Texas |
| CHG | Blue Cross Blue Shield Illinois |
| CHH | Blue Cross Blue Shield Tennessee |
| CHI | No Assigned Prefix |
| CHJ | No Assigned Prefix |
| CHK | Wellmark BCBS |
| CHL | Anthem Blue Cross Blue Shield Ohio |
| CHM | Blue Cross Blue Shield Nebraska |
| CHN | No Assigned Prefix |
| CHO | Blue Cross Blue Shield Louisiana |
| CHP | Capital Blue Cross of Pennsylvania |
| CHQ | Anthem Blue Cross Blue Shield Kentucky |
| CHR | Blue Cross Blue Shield Illinois |
| CHS | Blue Cross Blue Shield North Carolina |
| CHT | Blue Cross Blue Shield Tennessee |
| CHU | Carefirst BCBS |
| CHV | Blue Cross Blue Shield Illinois |
| CHW | No Assigned Prefix |
| CHX | Blue Cross Blue Shield North Carolina |
| CHY | Blue Cross Blue Shield South Carolina |
| CHZ | No Assigned Prefix |
| CIA | Carefirst BCBS |
| CIB | Blue Cross Blue Shield Illinois |
| CIC | Carefirst BCBS |
| CID | Blue Cross Blue Shield North Carolina |
| CIE | Wellmark BCBS |
| CIF | Blue Cross Blue Shield Illinois |
| CIG | No Assigned Prefix |
| CIH | Carefirst BCBS |
| CII | Anthem Blue Cross Blue Shield Georgia |
| CIJ | Blue Cross of Idaho |
| CIK | Capital Blue Cross of Pennsylvania |
| CIL | No Assigned Prefix |
| CIM | No Assigned Prefix |
| CIN | Carefirst BCBS |
| CIO | Capital Blue Cross of Pennsylvania |
| CIP | Blue Cross Blue Shield Alabama |
| CIQ | Blue Cross Blue Shield Tennessee |
| CIR | Premera Blue Cross of Alaska |
| CIS | Regence BCBS |
| CIT | Florida-Blue |
| CIU | Anthem Blue Cross Blue Shield Virginia |
| CIV | Capital Blue Cross of Pennsylvania |
| CIW | Anthem Blue Cross Blue Shield Indiana |
| CIX | Anthem Blue Cross Blue Shield Missouri |
| CIY | Florida-Blue |
| CIZ | Carefirst BCBS |
| CJA | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CJB | Blue Cross Blue Shield Illinois |
| CJC | Anthem Blue Cross Blue Shield Ohio |
| CJD | No Assigned Prefix |
| CJE | Empire Blue Cross Blue Shield New York |
| CJF | Blue Cross Blue Shield Nebraska |
| CJG | Blue Cross Blue Shield Kansas City |
| CJH | Blue Cross Blue Shield North Carolina |
| CJI | Highmark Blue Cross Blue Shield West Virginia |
| CJJ | Premera Blue Cross of Alaska |
| CJK | Blue Cross Blue Shield Massachusetts |
| CJL | Empire Blue Cross Blue Shield New York |
| CJM | Florida-Blue |
| CJN | Florida-Blue |
| CJO | Anthem Blue Cross Blue Shield Ohio |
| CJP | No Assigned Prefix |
| CJQ | Blue Cross of Idaho |
| CJR | Anthem Blue Cross Blue Shield Wisconsin |
| CJS | Blue Cross Blue Shield Illinois |
| CJT | Blue Cross Blue Shield Texas |
| CJU | Blue Cross Blue Shield Illinois |
| CJV | Empire Blue Cross Blue Shield New York |
| CJW | No Assigned Prefix |
| CJX | Anthem Blue Cross Blue Shield Ohio |
| CJY | Anthem Blue Cross Blue Shield Ohio |
| CJZ | Wellmark BCBS |
| CKA | Carefirst BCBS |
| CKB | Anthem Blue Cross Blue Shield Ohio |
| CKC | No Assigned Prefix |
| CKD | No Assigned Prefix |
| CKE | Blue Shield of California |
| CKF | No Assigned Prefix |
| CKG | Blue Cross Blue Shield Tennessee |
| CKH | Anthem Blue Cross Blue Shield Indiana |
| CKI | Anthem Blue Cross Blue Shield Georgia |
| CKJ | Anthem Blue Cross Blue Shield Indiana |
| CKK | No Assigned Prefix |
| CKL | Carefirst BCBS |
| CKM | Highmark Blue Cross Blue Shield Pennsylvania |
| CKN | Regence BCBS |
| CKO | Blue Cross Blue Shield Massachusetts |
| CKP | Blue Cross Blue Shield Texas |
| CKQ | Anthem Blue Cross Blue Shield Ohio |
| CKR | Blue Cross Blue Shield Tennessee |
| CKS | Anthem Blue Cross Blue Shield Missouri |
| CKT | No Assigned Prefix |
| CKU | Anthem Blue Cross Blue Shield Ohio |
| CKV | Anthem Blue Cross Blue Shield Ohio |
| CKW | Anthem Blue Cross Blue Shield Indiana |
| CKX | Blue Shield of California |
| CKY | Blue Shield of California |
| CKZ | No Assigned Prefix |
| CLA | No Assigned Prefix |
| CLB | Blue Cross Blue Shield Illinois |
| CLC | Blue Cross Blue Shield South Carolina |
| CLD | Anthem Blue Cross Blue Shield Georgia |
| CLE | Blue Cross Blue Shield Texas |
| CLF | Anthem Blue Cross Blue Shield Georgia |
| CLG | No Assigned Prefix |
| CLH | Excellus Blue Cross Blue Shield New York |
| CLI | Wellmark BCBS |
| CLJ | Anthem Blue Cross Blue Shield Ohio |
| CLK | No Assigned Prefix |
| CLL | Anthem Blue Cross |
| CLM | Wellmark BCBS |
| CLN | Blue Cross Blue Shield North Carolina |
| CLO | Blue Cross Blue Shield Mississippi |
| CLP | No Assigned Prefix |
| CLQ | No Assigned Prefix |
| CLR | Premera Blue Cross of Alaska |
| CLS | Blue Cross Blue Shield Massachusetts |
| CLT | Wellmark BCBS |
| CLU | Anthem Blue Cross Blue Shield Virginia |
| CLV | Carefirst BCBS |
| CLW | Anthem Blue Cross Blue Shield Georgia |
| CLX | No Assigned Prefix |
| CLY | Wellmark BCBS |
| CLZ | Carefirst BCBS |
| CMA | Blue Cross Blue Shield Michigan |
| CMB | Anthem Blue Cross Blue Shield Virginia |
| CMC | Wellmark BCBS |
| CMD | Anthem Blue Cross Blue Shield Missouri |
| CME | Blue Cross Blue Shield Illinois |
| CMF | Wellmark BCBS |
| CMG | Wellmark BCBS |
| CMH | Blue Cross Blue Shield Tennessee |
| CMI | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CMJ | Anthem Blue Cross Blue Shield Indiana |
| CMK | Anthem Blue Cross Blue Shield Ohio |
| CML | No Assigned Prefix |
| CMM | Blue Cross Blue Shield Massachusetts |
| CMN | Blue Shield of Northeastern New York |
| CMO | No Assigned Prefix |
| CMP | Blue Cross Blue Shield Minnesota |
| CMQ | Regence BCBS |
| CMR | Blue Cross Blue Shield Illinois |
| CMS | Blue Cross Blue Shield Massachusetts |
| CMT | Anthem Blue Cross Blue Shield Ohio |
| CMU | Highmark Blue Cross Blue Shield Pennsylvania |
| CMV | Blue Shield of California |
| CMW | Wellmark BCBS |
| CMX | Excellus Blue Cross Blue Shield New York |
| CMY | Blue Cross of Idaho |
| CMZ | Anthem Blue Cross Blue Shield Ohio |
| CNA | No Assigned Prefix |
| CNB | Anthem Blue Cross Blue Shield Ohio |
| CNC | Blue Cross Blue Shield Texas |
| CND | No Assigned Prefix |
| CNE | Wellmark BCBS |
| CNF | Wellmark BCBS |
| CNG | Highmark Blue Cross Blue Shield Pennsylvania |
| CNH | Anthem Blue Cross Blue Shield Ohio |
| CNI | Blue Cross Blue Shield Texas |
| CNJ | Blue Cross Blue Shield South Carolina |
| CNK | Wellmark BCBS |
| CNL | Blue Cross Blue Shield Illinois |
| CNM | Highmark Blue Cross Blue Shield Pennsylvania |
| CNN | No Assigned Prefix |
| CNO | No Assigned Prefix |
| CNP | No Assigned Prefix |
| CNQ | No Assigned Prefix |
| CNR | Carefirst BCBS |
| CNS | No Assigned Prefix |
| CNT | Blue Cross Blue Shield Illinois |
| CNU | Carefirst BCBS |
| CNV | Blue Cross Blue Shield Illinois |
| CNW | Carefirst BCBS |
| CNX | Blue Cross Blue Shield Minnesota |
| CNY | Anthem Blue Cross Blue Shield Virginia |
| CNZ | Blue Cross Blue Shield Illinois |
| COA | Capital Blue Cross of Pennsylvania |
| COB | Blue Cross Blue Shield Texas |
| COC | Carefirst BCBS |
| COD | Anthem Blue Cross Blue Shield Ohio |
| COE | No Assigned Prefix |
| COF | No Assigned Prefix |
| COG | Anthem Blue Cross Blue Shield Colorado |
| COH | No Assigned Prefix |
| COI | No Assigned Prefix |
| COJ | Blue Cross Blue Shield Alabama |
| COK | No Assigned Prefix |
| COL | No Assigned Prefix |
| COM | Blue Cross Blue Shield Alabama |
| CON | Blue Cross Blue Shield Massachusetts |
| COO | Blue Cross Blue Shield Minnesota |
| COP | Blue Cross Blue Shield Alabama |
| COQ | No Assigned Prefix |
| COR | No Assigned Prefix |
| COS | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| COT | Blue Cross of Idaho |
| COU | No Assigned Prefix |
| COV | Blue Cross Blue Shield Arizona |
| COW | No Assigned Prefix |
| COX | Blue Shield of California |
| COY | Capital Blue Cross of Pennsylvania |
| COZ | No Assigned Prefix |
| CPA | Blue Cross Blue Shield Minnesota |
| CPB | Carefirst BCBS |
| CPC | Blue Cross Blue Shield Alabama |
| CPD | Blue Cross Blue Shield Massachusetts |
| CPE | Blue Cross Blue Shield Illinois |
| CPF | Blue Cross Blue Shield North Carolina |
| CPG | Blue Shield of Northeastern New York |
| CPH | Blue Cross Blue Shield Illinois |
| CPI | No Assigned Prefix |
| CPJ | Carefirst BCBS |
| CPK | Regence BCBS |
| CPL | Blue Cross Blue Shield Kansas City |
| CPM | Carefirst BCBS |
| CPN | Carefirst BCBS |
| CPO | No Assigned Prefix |
| CPP | Wellmark BCBS |
| CPQ | Anthem Blue Cross |
| CPR | Anthem Blue Cross |
| CPS | Blue Cross Blue Shield Alabama |
| CPT | Anthem Blue Cross |
| CPU | Blue Cross Blue Shield Nebraska |
| CPV | Anthem Blue Cross Blue Shield Georgia |
| CPW | Wellmark BCBS |
| CPX | No Assigned Prefix |
| CPY | Blue Cross Blue Shield Illinois |
| CPZ | Blue Shield of Northeastern New York |
| CQA | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CQB | Anthem Blue Cross |
| CQC | No Assigned Prefix |
| CQD | No Assigned Prefix |
| CQE | Anthem Blue Cross Blue Shield Missouri |
| CQF | No Assigned Prefix |
| CQG | No Assigned Prefix |
| CQH | Regence BCBS |
| CQI | Carefirst BCBS |
| CQJ | Blue Cross Blue Shield Texas |
| CQK | Blue Shield of California |
| CQL | No Assigned Prefix |
| CQM BCBS Prefix | Highmark Blue Cross Blue Shield Pennsylvania |
| CQN | Blue Shield of California |
| CQO | Carefirst BCBS |
| CQP | No Assigned Prefix |
| CQQ | Anthem Blue Cross Blue Shield Colorado |
| CQR | No Assigned Prefix |
| CQS | Blue Cross Blue Shield Western New York |
| CQT | No Assigned Prefix |
| CQU | No Assigned Prefix |
| CQV | Wellmark BCBS |
| CQW | No Assigned Prefix |
| CQX | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CQY | Wellmark BCBS |
| CQZ | No Assigned Prefix |
| CRA | Capital Blue Cross of Pennsylvania |
| CRB | Blue Cross Blue Shield Minnesota |
| CRC | Capital Blue Cross of Pennsylvania |
| CRD | No Assigned Prefix |
| CRE | Blue Shield of California |
| CRF | Blue Cross Blue Shield North Carolina |
| CRG | Blue Cross Blue Shield Texas |
| CRH | Blue Cross Blue Shield Michigan |
| CRI | Anthem Blue Cross Blue Shield Ohio |
| CRJ | No Assigned Prefix |
| CRK | Blue Cross Blue Shield Texas |
| CRL | Excellus Blue Cross Blue Shield New York |
| CRM | Blue Cross Blue Shield Illinois |
| CRN | Blue Cross Blue Shield North Carolina |
| CRO | Anthem Blue Cross Blue Shield Virginia |
| CRP | Blue Cross Blue Shield Illinois |
| CRQ | Anthem Blue Cross Blue Shield Wisconsin |
| CRR | Anthem Blue Cross Blue Shield Ohio |
| CRS | Premera Blue Cross of Alaska |
| CRT | No Assigned Prefix |
| CRU | Blue Cross Blue Shield Western New York |
| CRV | No Assigned Prefix |
| CRW | Anthem Blue Cross |
| CRX | Blue Cross Blue Shield North Carolina |
| CRY | Blue Cross Blue Shield Tennessee |
| CRZ | Blue Cross Blue Shield Texas |
| CSA | Blue Cross Blue Shield Alabama |
| CSB | Blue Cross Blue Shield Illinois |
| CSC | Florida-Blue |
| CSD | Carefirst BCBS |
| CSE | No Assigned Prefix |
| CSF | Anthem Blue Cross Blue Shield Colorado |
| CSG | Anthem Blue Cross Blue Shield Indiana |
| CSH | Anthem Blue Cross Blue Shield Georgia |
| CSI | Blue Cross Blue Shield Kansas City |
| CSJ | Anthem Blue Cross Blue Shield Missouri |
| CSK | Wellmark BCBS |
| CSL | Horizon Blue Cross Blue Shield New Jersey |
| CSM | Arkansas BCBS |
| CSN | No Assigned Prefix |
| CSO | Carefirst BCBS |
| CSP | Excellus Blue Cross Blue Shield New York |
| CSQ | Anthem Blue Cross Blue Shield Missouri |
| CSR | Blue Shield of California |
| CSS | Anthem Blue Cross Blue Shield Colorado |
| CST | Anthem Blue Cross Blue Shield Colorado |
| CSU | Regence BCBS |
| CSV | Anthem Blue Cross Blue Shield Virginia |
| CSW | No Assigned Prefix |
| CSX | Wellmark BCBS |
| CSY | No Assigned Prefix |
| CSZ | Blue Cross Blue Shield South Carolina |
| CTA | Blue Cross Blue Shield Massachusetts |
| CTB | Blue Cross Blue Shield South Carolina |
| CTC | Blue Cross Blue Shield Oklahoma |
| CTD | Anthem Blue Cross Blue Shield Indiana |
| CTE | No Assigned Prefix |
| CTF | Blue Cross Blue Shield Minnesota |
| CTG | Anthem Blue Cross Blue Shield Connecticut |
| CTH | Blue Cross Blue Shield South Carolina |
| CTI | Blue Cross Blue Shield Massachusetts |
| CTJ | Anthem Blue Cross Blue Shield Indiana |
| CTK | Capital Blue Cross of Pennsylvania |
| CTL | Blue Cross Blue Shield Illinois |
| CTM | Blue Cross of Idaho |
| CTN | No Assigned Prefix |
| CTO | Blue Shield of California |
| CTP | No Assigned Prefix |
| CTQ | Blue Cross Blue Shield Western New York |
| CTR | Anthem Blue Cross Blue Shield Indiana |
| CTS | Blue Cross Blue Shield Nebraska |
| CTT | Premera Blue Cross of Alaska |
| CTU | Blue Shield of California |
| CTV | No Assigned Prefix |
| CTW | Premera Blue Cross of Alaska |
| CTX | Blue Shield of California |
| CTY | Blue Cross Blue Shield Illinois |
| CTZ | Blue Cross Blue Shield Arizona |
| CUA | No Assigned Prefix |
| CUB | Excellus Blue Cross Blue Shield New York |
| CUC | No Assigned Prefix |
| CUD | Blue Cross Blue Shield Massachusetts |
| CUE | No Assigned Prefix |
| CUF | Blue Shield of California |
| CUG | Wellmark BCBS |
| CUH | Anthem Blue Cross Blue Shield Colorado |
| CUI | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CUJ | No Assigned Prefix |
| CUK | Blue Cross Blue Shield Alabama |
| CUL | No Assigned Prefix |
| CUM | No Assigned Prefix |
| CUN | Highmark Blue Cross Blue Shield Pennsylvania |
| CUO | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CUP | Wellmark BCBS |
| CUQ | Blue Shield of California |
| CUR | Blue Cross Blue Shield Western New York |
| CUS | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CUT | Blue Cross Blue Shield Illinois |
| CUU | Blue Cross Blue Shield Texas |
| CUV | Blue Cross Blue Shield Illinois |
| CUW | Wellmark BCBS |
| CUX | Regence BCBS |
| CUY | Regence BCBS |
| CUZ | Anthem Blue Cross Blue Shield Ohio |
| CVA | Anthem Blue Cross Blue Shield Indiana |
| CVB | Florida-Blue |
| CVC | Blue Cross Blue Shield Illinois |
| CVD | Carefirst BCBS |
| CVE | Anthem Blue Cross Blue Shield Indiana |
| CVF | Anthem Blue Cross Blue Shield Ohio |
| CVG | Anthem Blue Cross Blue Shield Ohio |
| CVH | No Assigned Prefix |
| CVI | Blue Cross Blue Shield Alabama |
| CVJ | Florida-Blue |
| CVK | Florida-Blue |
| CVL | Regence BCBS |
| CVM | Anthem Blue Cross Blue Shield Wisconsin |
| CVN | Anthem Blue Cross Blue Shield Connecticut |
| CVO | Anthem Blue Cross Blue Shield Virginia |
| CVP | Anthem Blue Cross Blue Shield Ohio |
| CVQ | No Assigned Prefix |
| CVR | Anthem Blue Cross Blue Shield Indiana |
| CVS | Wellmark BCBS |
| CVT | Carefirst BCBS |
| CVU | Anthem Blue Cross Blue Shield Virginia |
| CVV | Carefirst BCBS |
| CVW | No Assigned Prefix |
| CVX | Blue Cross Blue Shield Illinois |
| CVY | Anthem Blue Cross Blue Shield Ohio |
| CVZ | Wellmark BCBS |
| CWA | Carefirst BCBS |
| CWB | Anthem Blue Cross Blue Shield Ohio |
| CWC | No Assigned Prefix |
| CWD | Wellmark BCBS |
| CWE | Blue Cross Blue Shield Michigan |
| CWF | Blue Cross of Idaho |
| CWG | Anthem Blue Cross Blue Shield Ohio |
| CWH | Anthem Blue Cross Blue Shield Missouri |
| CWI | Blue Shield of California |
| CWJ | No Assigned Prefix |
| CWK | Blue Cross Blue Shield Massachusetts |
| CWL | No Assigned Prefix |
| CWM | Highmark Blue Cross Blue Shield Pennsylvania |
| CWN | Carefirst BCBS |
| CWO | Blue Cross Blue Shield Massachusetts |
| CWP | Blue Cross Blue Shield Texas |
| CWQ | Anthem Blue Cross Blue Shield Ohio |
| CWR | Anthem Blue Cross Blue Shield Wisconsin |
| CWS | Anthem Blue Cross Blue Shield Georgia |
| CWT | Blue Cross Blue Shield Texas |
| CWU | Carefirst BCBS |
| CWV | Carefirst BCBS |
| CWW | Wellmark BCBS |
| CWX | Anthem Blue Cross Blue Shield Missouri |
| CWY | Wellmark BCBS |
| CWZ | Empire Blue Cross Blue Shield New York |
| CXA | No Assigned Prefix |
| CXB | Blue Cross of Idaho |
| CXC | Blue Cross Blue Shield Rhode Island |
| CXD | Blue Cross Blue Shield Illinois |
| CXE | No Assigned Prefix |
| CXF | Premera Blue Cross of Alaska |
| CXG | Blue Cross Blue Shield Minnesota |
| CXH | Blue Cross Blue Shield Minnesota |
| CXI | Blue Cross Blue Shield Nebraska |
| CXJ | Excellus Blue Cross Blue Shield New York |
| CXK | Blue Cross Blue Shield Texas |
| CXL | No Assigned Prefix |
| CXM | No Assigned Prefix |
| CXN | No Assigned Prefix |
| CXO | Arkansas BCBS |
| CXP | Blue Cross Blue Shield Texas |
| CXQ | Wellmark BCBS |
| CXR | Blue Cross Blue Shield Rhode Island |
| CXS | Anthem Blue Cross Blue Shield Georgia |
| CXT | Blue Cross Blue Shield Illinois |
| CXU | No Assigned Prefix |
| CXV | No Assigned Prefix |
| CXW | No Assigned Prefix |
| CXX | Blue Shield of California |
| CXY | No Assigned Prefix |
| CXZ | Carefirst BCBS |
| CYA | Blue Cross Blue Shield Illinois |
| CYB | Blue Shield of California |
| CYC | Blue Cross Blue Shield Illinois |
| CYD | No Assigned Prefix |
| CYE | Regence BCBS |
| CYF | No Assigned Prefix |
| CYG | Florida-Blue |
| CYH | No Assigned Prefix |
| CYI | Blue Cross Blue Shield Massachusetts |
| CYJ | Anthem Blue Cross Blue Shield Georgia |
| CYK | Florida-Blue |
| CYL | Blue Cross Blue Shield Illinois |
| CYM | No Assigned Prefix |
| CYN | No Assigned Prefix |
| CYO | Blue Cross Blue Shield Massachusetts |
| CYP | Blue Cross Blue Shield Illinois |
| CYQ | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CYR | Blue Cross Blue Shield Texas |
| CYS | Blue Cross Blue Shield Illinois |
| CYT | Anthem Blue Cross Blue Shield Georgia |
| CYU | Empire Blue Cross Blue Shield New York |
| CYV | Regence BCBS |
| CYW | No Assigned Prefix |
| CYX | Blue Cross Blue Shield North Carolina |
| CYY | Blue Cross Blue Shield North Carolina |
| CYZ | Regence BCBS |
| CZA | Anthem Blue Cross Blue Shield Kentucky |
| CZB | Anthem Blue Cross Blue Shield Indiana |
| CZC | Anthem Blue Cross Blue Shield Connecticut |
| CZD | No Assigned Prefix |
| CZE | Blue Cross Blue Shield Texas |
| CZF | No Assigned Prefix |
| CZG | Carefirst BCBS |
| CZH | Anthem Blue Cross Blue Shield Connecticut |
| CZI | Blue Shield of California |
| CZJ | No Assigned Prefix |
| CZK | Anthem Blue Cross Blue Shield Virginia |
| CZL | No Assigned Prefix |
| CZM | No Assigned Prefix |
| CZN | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CZO | No Assigned Prefix |
| CZP | Anthem Blue Cross Blue Shield Ohio |
| CZQ | Anthem Blue Cross Blue Shield Ohio |
| CZR | Wellmark BCBS |
| CZS | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CZT | Anthem Blue Cross Blue Shield Connecticut |
| CZU | Anthem Blue Cross |
| CZV | Independence Blue Cross of Philadelphia and Southeastern Pennsylvania |
| CZW | Blue Cross Blue Shield Minnesota |
| CZX | No Assigned Prefix |
| CZY | Blue Cross Blue Shield North Carolina |
| CZZ | No Assigned Prefix |
BCBS alpha prefix CAA to CZZ is updated as per received latest information from authorized sources or websites of BCBS insurance and other reputed online portals. If any discrepancy found please let us know via the contact us page, we are committed to providing correct and genuine information.