BCBS Prefix List JAA-JZZ (2025)

Get updated BCBS prefix List JAA-JZZ in the below-mentioned format. All information gathered from authorized source of information like BCBS insurance, CMS and all authorized portals.

BCBS Prefix List JAA-JZZ

BCBS Prefix 2024BCBS Plan Name
JAABlue Shield of California
JABBlue Shield of California
JACBlue Shield of California
JADBlue Shield of California
JAENot Assigned Prefix
JAFNot Assigned Prefix
JAGNot Assigned Prefix
JAHAnthem Blue Cross of California
JAINot Assigned Prefix
JAJNot Assigned Prefix
JAKBCBS Western New York
JALWellmark BCBS
JAMBCBS Massachusetts
JANNot Assigned Prefix
JAOIndependence Blue Cross
JAPNot Assigned Prefix
JAQHighmark BCBS Pennsylvania
JARCarefirst BCBS
JASNot Assigned Prefix
JATAnthem BCBS Ohio
JAUAnthem BCBS Ohio
JAVNot Assigned Prefix
JAWNot Assigned Prefix
JAXNot Assigned Prefix
JAYNot Assigned Prefix
JAZBlue Shield of California
JBANot Assigned Prefix
JBBAnthem BCBS Colorado
JBCCarefirst BCBS Maryland
JBDEmpire BCBS New York
JBEAnthem Blue Cross of California
JBFBCBS Arkansas
JBGBlue Shield of California
JBHAnthem BCBS Ohio
JBIBCBS Arkansas
JBJBCBS Arkansas
JBKBCBS Arkansas
JBLBCBS North Carolina
JBMBCBS Arkansas – Blue Advantage Administrators
JBNBCBS Illinois
JBOCapital Blue Cross
JBPBCBS Texas
JBQAnthem BCBS Colorado
JBRBCBS Massachusetts
JBSAnthem Blue Cross of California
JBTIndependence Blue Cross
JBUNot Assigned Prefix
JBVNot Assigned Prefix
JBWAnthem BCBS Ohio
JBXAnthem BCBS Ohio
JBYBCBS Arkansas
JBZAnthem BCBS Georgia
JCABCBS Illinois
JCBBCBS Massachusetts
JCCAnthem Blue Cross of California
JCDRegence BCBS Oregon
JCEBCBS Illinois
JCFBCBS Massachusetts
JCGEmpire BCBS New York
JCHBCBS Illinois
JCIBlue Shield of California
JCJBlue Shield of Northeastern New York
JCKAnthem BCBS Ohio
JCLAnthem BCBS Missouri
JCMAnthem BCBS New Hampshire
JCNPremera BCBS Alaska
JCOBCBS Minnesota
JCPBCBS Alabama
JCQBCBS Vermont
JCRBCBS Massachusetts
JCSAnthem BCBS Missouri
JCTAnthem BCBS Nevada
JCUBCBS Massachusetts
JCVAnthem BCBS Colorado
JCWBCBS Arkansas – Blue Advantage Administrators
JCXBCBS Texas
JCYBCBS Texas
JCZAnthem BCBS Ohio
JDAAnthem Blue Cross of California
JDBAnthem Blue Cross of California
JDCAnthem BCBS Georgia
JDDAnthem Blue Cross of California
JDERegence BCBS Oregon
JDFBCBS Illinois
JDGAnthem Blue Cross of California
JDHBCBS Tennessee
JDIBCBS Western New York
JDJHorizon BCBS New Jersey
JDKBCBS Illinois
JDLBCBS Tennessee
JDMAnthem BCBS Georgia
JDNAnthem BCBS Ohio
JDOCarefirst BCBS
JDPAnthem BCBS Nevada
JDQCarefirst BCBS
JDRCarefirst BCBS
JDSAnthem Blue Cross of California
JDTBCBS Alabama
JDUHorizon BCBS New Jersey
JDVAnthem BCBS Ohio
JDWAnthem BCBS Wisconsin
JDXAnthem BCBS Wisconsin
JDYBCBS Illinois
JDZBCBS Massachusetts
JEAHorizon BCBS New Jersey
JEBAnthem Blue Cross of California
JECAnthem BCBS Virginia
JEDPremera BCBS Alaska
JEEHorizon BCBS New Jersey
JEFCarefirst BCBS
JEGNot Assigned Prefix
JEHEmpire BCBS New York
JEICarefirst BCBS
JEJHorizon BCBS New Jersey
JEKNot Assigned Prefix
JELBCBS Western New York
JEMAnthem BCBS Georgia
JENBCBS Massachusetts
JEOCarefirst BCBS
JEPAnthem BCBS Nevada
JEQCarefirst BCBS
JERNot Assigned Prefix
JESEmpire BCBS New York
JETBCBS Texas
JEUAnthem BCBS Ohio
JEVBCBS Massachusetts
JEWNot Assigned Prefix
JEXAnthem Blue Cross of California
JEYCarefirst BCBS
JEZBCBS Illinois
JFANot Assigned Prefix
JFBAnthem Blue Cross of California
JFCBCBS Texas
JFDNot Assigned Prefix
JFEIndependence Blue Cross
JFFNot Assigned Prefix
JFGNot Assigned Prefix
JFHAnthem BCBS Colorado
JFINot Assigned Prefix
JFJCarefirst BCBS
JFKCarefirst BCBS
JFLNot Assigned Prefix
JFMAnthem BCBS Ohio
JFNCarefirst BCBS
JFOCarefirst BCBS
JFPAnthem BCBS Nevada
JFQCarefirst BCBS
JFREmpire BCBS New York
JFSAnthem BCBS Georgia
JFTCarefirst BCBS
JFUAnthem BCBS Georgia
JFVAnthem BCBS Ohio
JFWBCBS Illinois
JFXHorizon BCBS New Jersey
JFYHorizon BCBS New Jersey
JFZCareFirst BCBS
JG3Not Assigned Prefix
JGAHorizon BCBS New Jersey
JGBHorizon BCBS New Jersey
JGCHorizon BCBS New Jersey
JGDHorizon BCBS New Jersey
JGEHorizon BCBS New Jersey
JGFHorizon BCBS New Jersey
JGGHorizon BCBS New Jersey
JGHHorizon BCBS New Jersey
JGIHorizon BCBS New Jersey
JGJHorizon BCBS New Jersey
JGKHorizon BCBS New Jersey
JGLHorizon BCBS New Jersey
JGMHorizon BCBS New Jersey
JGNHorizon BCBS New Jersey
JGOHorizon BCBS New Jersey
JGPHorizon BCBS New Jersey
JGQHorizon BCBS New Jersey
JGRHorizon BCBS New Jersey
JGSHorizon BCBS New Jersey
JGTHorizon BCBS New Jersey
JGUHorizon BCBS New Jersey
JGVHorizon BCBS New Jersey
JGWHorizon BCBS New Jersey
JGXHorizon BCBS New Jersey
JGYHorizon BCBS New Jersey
JGZHorizon BCBS New Jersey
JHACarefirst BCBS Maryland
JHBCarefirst BCBS Maryland
JHCCarefirst BCBS Maryland
JHDCarefirst BCBS Maryland
JHECarefirst BCBS Maryland
JHFWellmark BCBS
JHGCarefirst BCBS Maryland
JHHCarefirst BCBS Maryland
JHICarefirst BCBS Maryland
JHJCarefirst BCBS Maryland
JHKNot Assigned Prefix
JHLNot Assigned Prefix
JHMAnthem BCBS Ohio
JHNAnthem Blue Cross of California
JHOBCBS North Carolina
JHPAnthem Blue Cross of California
JHQAnthem BCBS Colorado
JHRBCBS Massachusetts
JHSNot Assigned Prefix
JHTAnthem Blue Cross of California
JHUBCBS Illinois
JHVNot Assigned Prefix
JHWAnthem BCBS Ohio
JHXAnthem Blue Cross of California
JHYBCBS Texas
JHZCarefirst BCBS Maryland
JIABCBS Northeastern New York
JIBCarefirst BCBS
JICBlue Shield of California
JIDAnthem BCBS Colorado
JIECarefirst BCBS
JIFBCBS Rhode Island
JIGCarefirst BCBS
JIHAnthem BCBS Colorado
JIIHighmark Blue Shield
JIJHighmark Blue Shield
JIKHighmark BCBS
JILBCBS Alabama
JIMCarefirst BCBS
JINAnthem BCBS Ohio
JIOBCBS Florida
JIPAnthem BCBS Colorado
JIQBCBS Michigan
JIRBCBS Michigan
JISAnthem BCBS Georgia
JITBCBS Michigan
JIUAnthem BCBS Georgia
JIVAnthem BCBS Georgia
JIWIndependence Blue Cross
JIXAnthem Blue Cross of California
JIYBCBS Michigan
JIZAnthem BCBS Maine
JJARegence BCBS Washington
JJBEmpire BCBS New York
JJCRegence BCBS Washington
JJDBCBS South Carolina
JJEAnthem BCBS Nevada
JJFBCBS Illinois
JJGIndependence Blue Cross
JJHAnthem BCBS Georgia
JJINot Assigned Prefix
JJJAnthem BCBS Ohio
JJKEmpire BCBS
JJLIndependence Blue Cross
JJMAnthem BCBS Ohio
JJNBCBS Illinois
JJOAnthem BCBS Ohio
JJPAnthem BCBS Nevada
JJQCarefirst BCBS
JJRBCBS Massachusetts
JJSAnthem BCBS Georgia
JJTAnthem Blue Cross of California
JJUAnthem BCBS Georgia
JJVCarefirst BCBS
JJWAnthem BCBS Ohio
JJXBCBS Massachusetts
JJYAnthem BCBS Indiana
JJZAnthem Blue Cross of California
JKAAnthem BCBS Kentucky
JKBBCBS Illinois
JKCNot Assigned Prefix
JKDBCBS Illinois
JKECarefirst BCBS
JKFAnthem BCBS Georgia
JKGAnthem BCBS Georgia
JKHNot Assigned Prefix
JKINot Assigned Prefix
JKJCarefirst BCBS
JKKAnthem BCBS New Hampshire
JKLAnthem BCBS Georgia
JKMAnthem BCBS Virginia
JKNAnthem Blue Cross of California
JKONot Assigned Prefix
JKPAnthem BCBS Nevada
JKQAnthem BCBS Wisconsin
JKRNot Assigned Prefix
JKSAnthem BCBS Wisconsin
JKTAnthem BCBS Virginia
JKUAnthem BCBS Virginia
JKVCarefirst BCBS
JKWAnthem BCBS Virginia
JKXCarefirst BCBS
JKYCarefirst BCBS
JKZBCBS Vermont
JLAAnthem BCBS Colorado
JLBEmpire BCBS New York
JLCEmpire BCBS New York
JLDEmpire BCBS New York
JLEEmpire BCBS New York
JLFEmpire BCBS New York
JLGBCBS Alabama
JLHEmpire BCBS
JLIEmpire BCBS New York
JLJEmpire BCBS
JLKEmpire BCBS New York
JLLAnthem BCBS Ohio
JLMNot Assigned Prefix
JLNBCBS Alabama
JLOAnthem Blue Cross of California
JLPAnthem BCBS Nevada
JLQNot Assigned Prefix
JLRAnthem Blue Cross of California
JLSAnthem BCBS Wisconsin
JLTBlue Shield of Northeastern New York
JLUAnthem BCBS Ohio
JLVNot Assigned Prefix
JLWNot Assigned Prefix
JLXBCBS Illinois
JLYEmpire BCBS
JLZAnthem BCBS Wisconsin
JMACarefirst BCBS
JMBBCBS Massachusetts
JMCWellmark BCBS
JMDNot Assigned Prefix
JMEAnthem BCBS Colorado
JMFAnthem BCBS Georgia
JMGBCBS Alabama
JMHAnthem BCBS Maine
JMICarefirst BCBS
JMJBCBS Illinois
JMKBCBS Western New York
JMLBCBS Western New York
JMMAnthem BCBS Georgia
JMNBCBS Texas
JMONot Assigned Prefix
JMPEmpire BCBS
JMQBCBS Rhode Island
JMRCarefirst BCBS
JMSAnthem BCBS Ohio
JMTBCBS Massachusetts
JMUAnthem BCBS Ohio
JMVAnthem Blue Cross of California
JMWIndependence Blue Cross
JMXNot Assigned Prefix
JMYNot Assigned Prefix
JMZBCBS Illinois
JNABCBS Texas
JNBPremera BCBS Alaska
JNCBCBS Texas
JNDBCBS Illinois
JNEAnthem BCBS Ohio
JNFCarefirst BCBS
JNGCarefirst BCBS
JNHAnthem BCBS Ohio
JNIAnthem BCBS Nevada
JNJBCBS Massachusetts
JNKBCBS Massachusetts
JNLBlue Shield of California
JNMBCBS Illinois
JNNBCBS Illinois
JNONot Assigned Prefix
JNPAnthem BCBS Connecticut
JNQNot Assigned Prefix
JNRCarefirst BCBS
JNSBCBS Georgia
JNTBCBS Massachusetts
JNUAnthem BCBS Colorado
JNVNot Assigned Prefix
JNWBCBS Illinois
JNXAnthem BCBS Nevada
JNYNot Assigned Prefix
JNZCarefirst BCBS
JOABCBS Western New York
JOBNot Assigned Prefix
JOCNot Assigned Prefix
JODAnthem Blue Cross of California
JOENot Assigned Prefix
JOFHighmark BCBS
JOGRegence BCBS Oregon
JOHAnthem BCBS Wisconsin
JOIAnthem BCBS Wisconsin
JOJAnthem BCBS Wisconsin
JOKBCBS Western New York
JOLHighmark BCBS
JOMAnthem BCBS Ohio
JONBCBS North Dakota
JOOCarefirst BCBS
JOPHighmark BCBS
JOQCarefirst BCBS
JORNot Assigned Prefix
JOSAnthem BCBS Ohio
JOTBCBS Western New York
JOUNot Assigned Prefix
JOVCarefirst BCBS
JOWBCBS Rhode Island
JOXAnthem BCBS Missouri
JOYBCBS Rhode Island
JOZBCBS Michigan
JPABlue Shield of California
JPBBCBS Minnesota
JPCEmpire BCBS New York
JPDNot Assigned Prefix
JPEAnthem BCBS Nevada
JPFAnthem BCBS Nevada
JPGEmpire BCBS
JPHAnthem BCBS Georgia
JPIBlue Shield of California
JPJNot Assigned Prefix
JPKNot Assigned Prefix
JPLNot Assigned Prefix
JPMAnthem Blue Cross of California
JPNAnthem BCBS Nevada
JPOIndependence Blue Cross
JPPAnthem BCBS Georgia
JPQNot Assigned Prefix
JPRNot Assigned Prefix
JPSAnthem BCBS Missouri
JPTAnthem BCBS Indiana
JPUAnthem Blue Cross of California
JPVEmpire BCBS
JPWIndependence Blue Cross
JPXAnthem Blue Cross of California
JPYAnthem Blue Cross of California
JPZNot Assigned Prefix
JQAAnthem Blue Cross of California
JQBAnthem Blue Cross of California
JQCAnthem Blue Cross of California
JQDAnthem Blue Cross of California
JQEAnthem Blue Cross of California
JQFAnthem Blue Cross of California
JQGAnthem Blue Cross of California
JQHAnthem Blue Cross of California
JQIAnthem Blue Cross of California
JQJAnthem Blue Cross of California
JQKAnthem Blue Cross of California
JQLAnthem Blue Cross of California
JQMAnthem Blue Cross of California
JQNAnthem Blue Cross of California
JQOAnthem Blue Cross of California
JQPAnthem Blue Cross of California
JQQAnthem Blue Cross of California
JQRAnthem Blue Cross of California
JQSAnthem Blue Cross of California
JQTAnthem Blue Cross of California
JQUAnthem Blue Cross of California
JQVAnthem Blue Cross of California
JQWAnthem Blue Cross of California
JQXBCBS Western New York
JQYAnthem Blue Cross of California
JQZAnthem Blue Cross of California
JRABCBS Georgia
JRBBCBS Georgia
JRCBCBS Georgia
JRDAnthem BCBS Georgia
JREBCBS Georgia
JRFAnthem BCBS Georgia
JRGIndependence Blue Cross
JRHNot Assigned Prefix
JRIAnthem BCBS Ohio
JRJBCBS Georgia
JRKCarefirst BCBS
JRLCarefirst BCBS
JRMCarefirst BCBS
JRNEmpire BCBS
JROBCBS Tennessee
JRPAnthem BCBS Colorado
JRQAnthem Blue Cross of California
JRRBlue Shield of California
JRSAnthem BCBS Ohio
JRTNot Assigned Prefix
JRUCarefirst BCBS
JRVAnthem BCBS Georgia
JRWCarefirst BCBS
JRXNot Assigned Prefix
JRYCarefirst BCBS
JRZAnthem Blue Cross of California
JSABCBS Illinois
JSBBCBS Massachusetts
JSCCarefirst BCBS
JSDAnthem BCBS Georgia
JSEBlue Shield of Northeastern New York
JSFNot Assigned Prefix
JSGBCBS Rhode Island
JSHBCBS Massachusetts
JSIIndependence Blue Cross
JSJAnthem BCBS Georgia
JSKBCBS Texas
JSLHighmark BCBS Delaware
JSMHighmark BCBS
JSNBCBS Texas
JSOBCBS Western New York
JSPAnthem BCBS Georgia
JSQPremera BCBS Alaska
JSRBCBS Western New York
JSSBlue Shield of Northeastern New York
JSTBCBS Illinois
JSUAnthem BCBS Georgia
JSVBCBS Alabama
JSWNot Assigned Prefix
JSXAnthem BCBS Missouri
JSYAnthem BCBS Missouri
JSZBCBS Illinois
JTAEmpire BCBS
JTBAnthem BCBS Virginia
JTCBCBS Texas
JTDAnthem BCBS Missouri
JTEBCBS Massachusetts
JTFAnthem BCBS Nevada
JTGAnthem BCBS Georgia
JTHBCBS Illinois
JTICarefirst BCBS
JTJNot Assigned Prefix
JTKNot Assigned Prefix
JTLAnthem BCBS Nevada
JTMAnthem BCBS Connecticut
JTNPremera BCBS Alaska
JTOBCBS Rhode Island
JTPAnthem BCBS Colorado
JTQAnthem BCBS Nevada
JTRCarefirst BCBS
JTSBCBS Illinois
JTTNot Assigned Prefix
JTUAnthem BCBS Ohio
JTVAnthem BCBS Indiana
JTWAnthem BCBS Virginia
JTXCarefirst BCBS
JTYNot Assigned Prefix
JTZBCBS Illinois
JUAHighmark BCBS
JUBBCBS Massachusetts
JUCHighmark BCBS
JUDHighmark BCBS
JUEHighmark BCBS
JUFHighmark BCBS
JUGAnthem BCBS Georgia
JUHHighmark BCBS
JUIBCBS Michigan
JUJHighmark BCBS
JUKHighmark BCBS
JULHighmark BCBS
JUMHighmark BCBS
JUNBCBS Illinois
JUOBCBS Michigan
JUPHighmark BCBS
JUQHighmark BCBS
JURHighmark BCBS
JUSHighmark BCBS
JUTHighmark BCBS
JUUBCBS Illinois
JUVBCBS Florida
JUWAnthem BCBS Georgia
JUXAnthem BCBS Georgia
JUYAnthem Blue Cross of California
JUZCarefirst BCBS
JVABCBS Texas
JVBBCBS Illinois
JVCAnthem BCBS Ohio
JVDBCBS Illinois
JVEBCBS Illinois
JVFRegence BCBS Oregon
JVGCarefirst BCBS
JVHBCBS Oklahoma
JVINot Assigned Prefix
JVJBCBS Illinois
JVKHorizon BCBS New Jersey
JVLHorizon BCBS New Jersey
JVMEmpire BCBS
JVNBCBS Texas
JVOCarefirst BCBS
JVPAnthem BCBS Maine
JVQBCBS Alabama
JVRCarefirst BCBS
JVSEmpire BCBS
JVTIndependence Blue Cross
JVUAnthem BCBS Nevada
JVVNot Assigned Prefix
JVWBCBS Illinois
JVXNot Assigned Prefix
JVYBCBS Texas
JVZNot Assigned Prefix
JWAAnthem BCBS Missouri
JWBAnthem BCBS Missouri
JWCAnthem BCBS Missouri
JWDAnthem BCBS Missouri
JWEAnthem BCBS Missouri
JWFAnthem BCBS Missouri
JWGAnthem BCBS Missouri
JWHAnthem BCBS Missouri
JWIBCBS North Carolina
JWJAnthem BCBS Ohio
JWKAnthem BCBS Missouri
JWLAnthem BCBS Missouri
JWMAnthem BCBS Missouri
JWNAnthem BCBS Missouri
JWOAnthem BCBS Missouri
JWPAnthem BCBS Missouri
JWQAnthem BCBS Ohio
JWRAnthem BCBS Ohio
JWSAnthem BCBS Ohio
JWTAnthem BCBS Ohio
JWUAnthem BCBS Missouri
JWVAnthem BCBS Ohio
JWWAnthem BCBS Missouri
JWXEmpire BCBS
JWYNot Assigned Prefix
JWZNot Assigned Prefix
JX3Not Assigned Prefix
JXABCBS Texas
JXBBCBS Michigan
JXCBCBS Michigan
JXDBCBS Michigan
JXEBCBS Michigan
JXFNot Assigned Prefix
JXGNot Assigned Prefix
JXHAnthem BCBS New Hampshire
JXIBCBS Michigan
JXJAnthem Blue Cross of California
JXKAnthem BCBS Missouri
JXLIndependence Blue Cross
JXMBCBS Michigan
JXNAnthem Blue Cross of California
JXOCarefirst BCBS
JXPBCBS Michigan
JXQAnthem BCBS Georgia
JXRCarefirst BCBS
JXSBCBS Michigan
JXTBCBS Michigan
JXUAnthem BCBS Georgia
JXVAnthem Blue Cross of California
JXWHorizon BCBS New Jersey
JXXNot Assigned Prefix
JXYBlue Shield of Northeastern New York
JXZAnthem BCBS Ohio
JYABCBS Texas
JYBBCBS Illinois
JYCAnthem Blue Cross of California
JYDBCBS Illinois
JYEEmpire BCBS
JYFCarefirst BCBS
JYGNot Assigned Prefix
JYHAnthem BCBS Colorado
JYIBCBS Michigan
JYJBlue Shield of Northeastern New York
JYKAnthem Blue Cross of California
JYLCarefirst BCBS
JYMAnthem BCBS Ohio
JYNBCBS New Mexico
JYOCarefirst BCBS
JYPNot Assigned Prefix
JYQBCBS Rhode Island
JYRAnthem BCBS Missouri
JYSPremera BCBS Alaska
JYTBCBS Texas
JYUAnthem BCBS Colorado
JYVAnthem BCBS Indiana
JYWBCBS Illinois
JYXBCBS Western New York
JYYBCBS Illinois
JYZBCBS Illinois
JZABCBS Minnesota
JZBBCBS Minnesota
JZCBCBS Minnesota
JZDBCBS Minnesota
JZEBCBS Minnesota
JZFBCBS Minnesota
JZGBCBS Minnesota
JZHBCBS Minnesota
JZIBCBS Minnesota
JZJBCBS Minnesota
JZKBCBS Minnesota
JZLBCBS Minnesota
JZMBCBS Minnesota
JZNNot Assigned Prefix
JZOBCBS Minnesota
JZPBCBS Minnesota
JZQBCBS Minnesota
JZRBCBS Minnesota
JZSBCBS Minnesota
JZTBCBS Minnesota
JZUBCBS Minnesota
JZVBCBS Minnesota
JZWBCBS Minnesota
JZXBCBS Minnesota
JZYBCBS Minnesota
JZZBCBS Minnesota

The BCBS prefixes list JAA to JZZ represent various plans and regions throughout the country. Let’s take a closer look at some of these prefixes and their corresponding plan names:

  • JAA to JAD: These prefixes are associated with Blue Shield California.
  • JAK to JAY: These prefixes are not currently assigned to any specific BCBS plan.
  • JBC: This prefix represents Carefirst BCBS Maryland.
  • JBD: Empire BCBS New York is the plan associated with this prefix.
  • JET: BCBS Texas is represented by this prefix.
  • JGA to JGZ: These prefixes are associated with Horizon BCBS New Jersey.

List of BCBS Prefix JAA-JZZ 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.

List of Alpha Prefix for BCBS 2024

AAA to AZZBAA to BZZCAA to CZZDAA to DZZ
EAA to EZZFAA to FZZGAA to GZZHAA to HZZ
IAA to IZZJAA to JZZKAA to KZZLAA to LZZ
MAA to MZZNAA to NZZOAA to OZZPAA to PZZ
QAA to QZZRAA to RZZSAA to SZZTAA to TZZ
UAA to UZZVAA to VZZWAA to WZZXAA to XZZ
YAA to YZZZAA to ZZZ

BCBS Alpha Numeric Prefix List 2024