Blue cross blue shield prefix

Author: s | 2025-04-25

XXM Blue Cross Prefix: Massachusetts: Blue-Cross Blue-Shield of Massachusetts: XXN: Massachusetts: Blue-Cross Blue-Shield of Massachusetts: XXO: Indiana: Anthem Blue-Cross Blue-Shield of Indiana: XXP BCBS Prefix: Massachusetts: Blue-Cross Blue-Shield of Massachusetts: XXQ: Massachusetts: Carefirst Blue-Cross Blue-Shield: V4I-Prefix Unallocated/Not Assigned: V4J-Prefix Unallocated/Not Assigned: V4K: Illinois: Blue-Cross Blue-Shield of Illinois: V4L-Prefix Unallocated/Not Assigned: V4M: Georgia: Anthem Blue-Cross Blue-Shield of Georgia: V4N: Georgia: Anthem Blue-Cross Blue-Shield of Georgia: V4O-Prefix Unallocated/Not Assigned

BCBS Prefix List lookup Blue Cross Blue Shield Alpha Prefix

Assigned Z6V-Prefix Unallocated/Not Assigned Z6WWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin Z6X-Prefix Unallocated/Not Assigned Z6YGeorgiaAnthem Blue-Cross Blue-Shield of Georgia Z6ZWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin Z7AIndianaAnthem Blue-Cross Blue-Shield of Indiana Z7BIndianaAnthem Blue-Cross Blue-Shield of Indiana Z7CIndianaAnthem Blue-Cross Blue-Shield of Indiana Z7DIndianaAnthem Blue-Cross Blue-Shield of Indiana Z7EIndianaAnthem Blue-Cross Blue-Shield of Indiana Z7FIndianaAnthem Blue-Cross Blue-Shield of Indiana Z7GIndianaAnthem Blue-Cross Blue-Shield of Indiana Z7HIndianaAnthem Blue-Cross Blue-Shield of Indiana Z7I-Prefix Unallocated/Not Assigned Z7JIndianaAnthem Blue-Cross Blue-Shield of Indiana Z7KIndianaAnthem Blue-Cross Blue-Shield of Indiana Z7LConnecticutAnthem Blue-Cross Blue-Shield of Connecticut Z7MRhode IslandBlue-Cross Blue-Shield of Rhode Island Z7N-Prefix Unallocated/Not Assigned Z7O-Prefix Unallocated/Not Assigned Z7P-Prefix Unallocated/Not Assigned Z7Q-Prefix Unallocated/Not Assigned Z7R-Prefix Unallocated/Not Assigned Z7S-Prefix Unallocated/Not Assigned Z7T-Prefix Unallocated/Not Assigned Z7U-Prefix Unallocated/Not Assigned Z7V-Prefix Unallocated/Not Assigned Z7WWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin Z7XWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin Z7Y-Prefix Unallocated/Not Assigned Z7ZWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin Z8ACaliforniaAnthem Blue-Cross Z8B-Prefix Unallocated/Not Assigned Z8CIndianaAnthem Blue-Cross Blue-Shield of Indiana Z8DIndianaAnthem Blue-Cross Blue-Shield of Indiana Z8EIndianaAnthem Blue-Cross Blue-Shield of Indiana Z8FIndianaAnthem Blue-Cross Blue-Shield of Indiana Z8G-Prefix Unallocated/Not Assigned Z8HGeorgiaAnthem Blue-Cross Blue-Shield of Georgia Z8I-Prefix Unallocated/Not Assigned Z8J-Prefix Unallocated/Not Assigned Z8KGeorgiaAnthem Blue-Cross Blue-Shield of Georgia Z8LGeorgiaAnthem Blue-Cross Blue-Shield of Georgia Z8MArizonaBlue-Cross Blue-Shield of Arizona Z8N-Prefix Unallocated/Not Assigned Z8O-Prefix Unallocated/Not Assigned Z8PAlaskaPremera Blue-Cross Blue-Shield of Alaska Z8Q-Prefix Unallocated/Not Assigned Z8RAlaskaPremera Blue-Cross Blue-Shield of Alaska Z8S-Prefix Unallocated/Not Assigned Z8T-Prefix Unallocated/Not Assigned Z8U-Prefix Unallocated/Not Assigned Z8V-Prefix Unallocated/Not Assigned Z8W-Prefix Unallocated/Not Assigned Z8X-Prefix Unallocated/Not Assigned Z8Y-Prefix Unallocated/Not Assigned Z8Z-Prefix Unallocated/Not Assigned Z9ANew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire Z9BOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield Z9COregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield Z9DOhioAnthem Blue-Cross Blue-Shield of Ohio Z9E-Prefix Unallocated/Not Assigned Z9FOregon/Idaho/Utah/WashingtonRegence Blue-Cross

BCBS Prefix - ZAA to ZZZ - Blue Cross Blue Shield Alpha Prefix

Blue Cross Blue Shield Provider Phone NumberBlue Cross Blue Shield Federal Phone Number BCBS Prefix List 2024 - Alpha NumericState LookupBCBS Company Z2A-Prefix Unallocated/Not Assigned Z2BIndianaAnthem Blue-Cross Blue-Shield of Indiana Z2C-Prefix Unallocated/Not Assigned Z2D-Prefix Unallocated/Not Assigned Z2E-Prefix Unallocated/Not Assigned Z2FMinnesotaBlue-Cross Blue-Shield of Minnesota Z2G-Prefix Unallocated/Not Assigned Z2HSouth Dakota/IowaWellmark Blue-Cross Blue-Shield Z2I-Prefix Unallocated/Not Assigned Z2J-Prefix Unallocated/Not Assigned Z2KAlabamaBlue-Cross Blue-Shield of Alabama Z2LPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania Z2MRhode IslandBlue-Cross Blue-Shield of Rhode Island Z2N-Prefix Unallocated/Not Assigned Z2O-Prefix Unallocated/Not Assigned Z2PGeorgiaAnthem Blue-Cross Blue-Shield of Georgia Z2Q-Prefix Unallocated/Not Assigned Z2R-Prefix Unallocated/Not Assigned Z2SSouth Dakota/IowaWellmark Blue-Cross Blue-Shield Z2TOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield Z2U-Prefix Unallocated/Not Assigned Z2V-Prefix Unallocated/Not Assigned Z2W-Prefix Unallocated/Not Assigned Z2X-Prefix Unallocated/Not Assigned Z2Y-Prefix Unallocated/Not Assigned Z2Z-Prefix Unallocated/Not Assigned Z3AIllinoisBlue-Cross Blue-Shield of Illinois Z3BConnecticutAnthem Blue-Cross Blue-Shield of Connecticut Z3C-Prefix Unallocated/Not Assigned Z3D-Prefix Unallocated/Not Assigned Z3E-Prefix Unallocated/Not Assigned Z3FIllinoisBlue-Cross Blue-Shield of Illinois Z3GIllinoisBlue-Cross Blue-Shield of Illinois Z3HSouth Dakota/IowaWellmark Blue-Cross Blue-Shield Z3I-Prefix Unallocated/Not Assigned Z3JArizonaBlue-Cross Blue-Shield of Arizona Z3KIllinoisBlue-Cross Blue-Shield of Illinois Z3LNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire Z3MRhode IslandBlue-Cross Blue-Shield of Rhode Island Z3NIllinoisBlue-Cross Blue-Shield of Illinois Z3O-Prefix Unallocated/Not Assigned Z3P-Prefix Unallocated/Not Assigned Z3Q-Prefix Unallocated/Not Assigned Z3RMassachusettsBlue-Cross Blue-Shield of Massachusetts Z3SIllinoisBlue-Cross Blue-Shield of Illinois Z3T-Prefix Unallocated/Not Assigned Z3U-Prefix Unallocated/Not Assigned Z3V-Prefix Unallocated/Not Assigned Z3W-Prefix Unallocated/Not Assigned Z3XNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire Z3Y-Prefix Unallocated/Not Assigned Z3Z-Prefix Unallocated/Not Assigned Z4A-Prefix Unallocated/Not Assigned Z4BColoradoAnthem Blue-Cross Blue-Shield of Colorado Z4C-Couple Health Z4D-Prefix Unallocated/Not Assigned Z4EArizonaBlue-Cross Blue-Shield of Arizona Z4F-Prefix Unallocated/Not Assigned Z4GOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield Z4H-Prefix Unallocated/Not Assigned Z4I-Prefix Unallocated/Not Assigned Z4J-Prefix Unallocated/Not Assigned Z4KOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield Z4LOregon/Idaho/Utah/WashingtonRegence Blue-Cross

BCBS Prefix - TAA to TZZ - Blue Cross Blue Shield Alpha Prefix

Blue-Shield of New Jersey YKFNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YKGNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YKHNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YKINew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YKJNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YKKNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YKLNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YKMNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YKNSouth Dakota/IowaWellmark Blue-Cross Blue-Shield YKONew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YKPSouth Dakota/IowaWellmark Blue-Cross Blue-Shield YKQNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YKRNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YKSNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YKTNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YKUNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YKVNebraskaBlue-Cross Blue-Shield of Nebraska YKWOhioAnthem Blue-Cross Blue-Shield of Ohio YKXColoradoAnthem Blue-Cross Blue-Shield of Colorado YKYOhioAnthem Blue-Cross Blue-Shield of Ohio YKZNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YLANew YorkEmpire Blue-Cross Blue-Shield of New York YLBNew YorkEmpire Blue-Cross Blue-Shield of New York YLCNew YorkEmpire Blue-Cross Blue-Shield of New York YLDNew YorkEmpire Blue-Cross Blue-Shield of New York YLENew YorkEmpire Blue-Cross Blue-Shield of New York YLFNew YorkEmpire Blue-Cross Blue-Shield of New York YLG-Unallocated/Not Assigned YLHNew YorkEmpire Blue-Cross Blue-Shield of New York YLIMichiganBlue-Cross Blue-Shield of Michigan YLJNew YorkEmpire Blue-Cross Blue-Shield of New York YLKNew YorkEmpire Blue-Cross Blue-Shield of New York YLLNew YorkEmpire Blue-Cross Blue-Shield of New York YLMNew YorkEmpire Blue-Cross Blue-Shield of New York YLNNew YorkEmpire Blue-Cross Blue-Shield of New York YLONew YorkEmpire Blue-Cross Blue-Shield of New York YLPNew YorkEmpire Blue-Cross Blue-Shield of New York YLQNew YorkEmpire Blue-Cross Blue-Shield of New York YLRNew YorkEmpire Blue-Cross Blue-Shield of New York YLS BCBS PrefixNew YorkEmpire Blue-Cross Blue-Shield of New York YLTNew YorkEmpire Blue-Cross Blue-Shield of New York YLUNew YorkEmpire Blue-Cross Blue-Shield of New York YLVNew YorkEmpire Blue-Cross Blue-Shield of New York YLWNew YorkEmpire Blue-Cross Blue-Shield of New York YLXNew YorkEmpire Blue-Cross Blue-Shield of New York YLYNew YorkEmpire Blue-Cross Blue-Shield of New York YLZNew YorkEmpire Blue-Cross Blue-Shield of New York YMANebraskaBlue-Cross Blue-Shield of Nebraska YMBMissouriAnthem Blue-Cross Blue-Shield of Missouri YMCPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YMDDelawareHighmark Blue-Cross Blue-Shield of Delaware YMENorth DakotaBlue-Cross Blue-Shield of North Dakota YMFIllinoisBlue-Cross Blue-Shield of Illinois YMGMinnesotaBlue-Cross Blue-Shield of Minnesota YMH-Unallocated/Not Assigned YMIVirginiaAnthem Blue-Cross Blue-Shield. XXM Blue Cross Prefix: Massachusetts: Blue-Cross Blue-Shield of Massachusetts: XXN: Massachusetts: Blue-Cross Blue-Shield of Massachusetts: XXO: Indiana: Anthem Blue-Cross Blue-Shield of Indiana: XXP BCBS Prefix: Massachusetts: Blue-Cross Blue-Shield of Massachusetts: XXQ: Massachusetts:

BCBS Prefix - YAA to YZZ - Blue Cross Blue Shield Alpha Prefix

Blue-Shield Z4MArizonaBlue-Cross Blue-Shield of Arizona Z4NArizonaBlue-Cross Blue-Shield of Arizona Z4O-Prefix Unallocated/Not Assigned Z4PArizonaBlue-Cross Blue-Shield of Arizona Z4Q-Prefix Unallocated/Not Assigned Z4ROregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield Z4S-Prefix Unallocated/Not Assigned Z4TOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield Z4U-Prefix Unallocated/Not Assigned Z4VOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield Z4W-Prefix Unallocated/Not Assigned Z4XArizonaBlue-Cross Blue-Shield of Arizona Z4Y-Prefix Unallocated/Not Assigned Z4ZCaliforniaAnthem Blue-Cross Z5AIllinoisBlue-Cross Blue-Shield of Illinois Z5BIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5CIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5DIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5EIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5FIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5GIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5HIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5I-Prefix Unallocated/Not Assigned Z5JIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5KNew York (Northeastern)Blue-Shield of Northeastern New York Z5LIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5MArizonaBlue-Cross Blue-Shield of Arizona Z5NIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5O-Prefix Unallocated/Not Assigned Z5PIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5QIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5RIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5SIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5T-Prefix Unallocated/Not Assigned Z5UIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5VIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5WIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5XIndianaAnthem Blue-Cross Blue-Shield of Indiana Z5Y-Prefix Unallocated/Not Assigned Z5ZIndianaAnthem Blue-Cross Blue-Shield of Indiana Z6ANew YorkEmpire Blue-Cross Blue-Shield of New York Z6B-Prefix Unallocated/Not Assigned Z6CColoradoAnthem Blue-Cross Blue-Shield of Colorado Z6DCaliforniaAnthem Blue-Cross Z6EWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin Z6F-Prefix Unallocated/Not Assigned Z6GCaliforniaAnthem Blue-Cross Z6HCaliforniaAnthem Blue-Cross Z6I-Prefix Unallocated/Not Assigned Z6JConnecticutAnthem Blue-Cross Blue-Shield of Connecticut Z6KConnecticutAnthem Blue-Cross Blue-Shield of Connecticut Z6L-Prefix Unallocated/Not Assigned Z6MNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire Z6NAlaskaPremera Blue-Cross Blue-Shield of Alaska Z6O-Prefix Unallocated/Not Assigned Z6PIndianaAnthem Blue-Cross Blue-Shield of Indiana Z6Q-Prefix Unallocated/Not Assigned Z6RTexasBlue-Cross Blue-Shield of Texas Z6STexasBlue-Cross Blue-Shield of Texas Z6TTexasBlue-Cross Blue-Shield of Texas Z6U-Prefix Unallocated/Not

BCBS Prefix - CAA to CZZ - Blue Cross Blue Shield Alpha Prefix

Blue-Cross Blue-Shield of Ohio YRZVirginiaAnthem Blue-Cross Blue-Shield of Virginia YSAIdahoBlue-Cross of Idaho YSBMassachusettsBlue-Cross Blue-Shield of Massachusetts YSCMinnesotaBlue-Cross Blue-Shield of Minnesota YSDWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin YSE-Unallocated/Not Assigned YSFOhioAnthem Blue-Cross Blue-Shield of Ohio YSGCaliforniaBlue-Shield of California YSH-Unallocated/Not Assigned YSI-Unallocated/Not Assigned YSJAlaskaPremera Blue-Cross of Alaska YSK-Unallocated/Not Assigned YSLAlaskaPremera Blue-Cross Blue-Shield of Alaska YSMAlabamaBlue-Cross Blue-Shield of Alabama YSNCaliforniaAnthem Blue-Cross YSONew York (Western)Blue-Cross Blue-Shield of Western New York YSP-Unallocated/Not Assigned YSQCaliforniaAnthem Blue-Cross YSRTexasBlue-Cross Blue-Shield of Texas YSSMassachusettsBlue-Cross Blue-Shield of Massachusetts YST-Unallocated/Not Assigned YSUGeorgiaAnthem Blue-Cross Blue-Shield of Georgia YSVVirginiaAnthem Blue-Cross Blue-Shield of Virginia YSWIdahoBlue-Cross of Idaho YSXRhode IslandBlue-Cross Blue-Shield of Rhode Island YSYOhioAnthem Blue-Cross Blue-Shield of Ohio YSZWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin YTAVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTBVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTCVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTDVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTEVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTFVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTG-Unallocated/Not Assigned YTHVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTIVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTJVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTKVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTLVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTMVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTNVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTOVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTPVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTQ-Unallocated/Not Assigned YTRVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTSVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTTVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTUVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTVVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTWVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTXVirginiaAnthem Blue-Cross Blue-Shield of Virginia YTY-Unallocated/Not Assigned YTZVirginiaAnthem Blue-Cross Blue-Shield of Virginia YUAOklahomaBlue-Cross Blue-Shield of Oklahoma YUBOklahomaBlue-Cross Blue-Shield of Oklahoma YUC-Unallocated/Not Assigned YUDOklahomaBlue-Cross Blue-Shield of Oklahoma YUE-Unallocated/Not Assigned YUFOklahomaBlue-Cross Blue-Shield of Oklahoma YUGOklahomaBlue-Cross Blue-Shield of Oklahoma YUHOklahomaBlue-Cross Blue-Shield of Oklahoma YUIOklahomaBlue-Cross Blue-Shield of Oklahoma YUJOklahomaBlue-Cross Blue-Shield of Oklahoma YUKOklahomaBlue-Cross Blue-Shield of Oklahoma YULOklahomaBlue-Cross Blue-Shield of Oklahoma YUMOklahomaBlue-Cross Blue-Shield of Oklahoma YUNOklahomaBlue-Cross Blue-Shield of Oklahoma YUOOklahomaBlue-Cross Blue-Shield of Oklahoma YUP BCBS PrefixOklahomaBlue-Cross Blue-Shield of Oklahoma YUQOklahomaBlue-Cross Blue-Shield of Oklahoma YUROklahomaBlue-Cross Blue-Shield of Oklahoma YUSOklahomaBlue-Cross Blue-Shield of Oklahoma YUTNew MexicoBlue-Cross Blue-Shield of New Mexico YUU-Unallocated/Not Assigned YUVIllinoisBlue-Cross Blue-Shield of Illinois YUWOklahomaBlue-Cross Blue-Shield of Oklahoma YUXOklahomaBlue-Cross Blue-Shield of Oklahoma YUYOklahomaBlue-Cross Blue-Shield of Oklahoma YUZOklahomaBlue-Cross Blue-Shield of Oklahoma YVAOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield YVBOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield YVCOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield YVDOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield YVEVirginiaAnthem Blue-Cross Blue-Shield of Virginia YVFOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield

BCBS Prefix - LAA to LZZ - Blue Cross Blue Shield Alpha Prefix

Of Virginia YMJAlaskaPremera Blue-Cross Blue-Shield of Alaska YMKAlaskaPremera Blue-Cross Blue-Shield of Alaska YMLAlaskaPremera Blue-Cross Blue-Shield of Alaska YMM-Unallocated/Not Assigned YMN-Unallocated/Not Assigned YMOGeorgiaAnthem Blue-Cross Blue-Shield of Georgia YMPNew YorkEmpire Blue-Cross Blue-Shield of New York YMQCaliforniaAnthem Blue-Cross YMRMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield YMSCaliforniaBlue-Shield of California YMTIdahoBlue-Cross of Idaho YMUCaliforniaAnthem Blue-Cross YMVIdahoBlue-Cross of Idaho YMWConnecticutAnthem Blue-Cross Blue-Shield of Connecticut YMXAlaskaPremera Blue-Cross of Alaska YMYCaliforniaAnthem Blue-Cross YMZMissouriAnthem Blue-Cross Blue-Shield of Missouri YNACaliforniaBlue-Shield of California YNBNew YorkExcellus Blue-Cross Blue-Shield of New York YNCNew YorkExcellus Blue-Cross Blue-Shield of New York YNDNew YorkExcellus Blue-Cross Blue-Shield of New York YNENew YorkExcellus Blue-Cross Blue-Shield of New York YNFMinnesotaBlue-Cross Blue-Shield of Minnesota YNGNew YorkExcellus Blue-Cross Blue-Shield of New York YNHNew YorkExcellus Blue-Cross Blue-Shield of New York YNINew YorkExcellus Blue-Cross Blue-Shield of New York YNJNew YorkExcellus Blue-Cross Blue-Shield of New York YNKIllinoisBlue-Cross Blue-Shield of Illinois YNLNew YorkExcellus Blue-Cross Blue-Shield of New York YNMNew YorkExcellus Blue-Cross Blue-Shield of New York YNNNebraskaBlue-Cross Blue-Shield of Nebraska YNOPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YNPIllinoisBlue-Cross Blue-Shield of Illinois YNQNebraskaBlue-Cross Blue-Shield of Nebraska YNRNorth DakotaBlue-Cross Blue-Shield of North Dakota YNSNew YorkExcellus Blue-Cross Blue-Shield of New York YNT-Unallocated/Not Assigned YNUIllinoisBlue-Cross Blue-Shield of Illinois YNV-Unallocated/Not Assigned YNWCaliforniaAnthem Blue-Cross YNXNebraskaBlue-Cross Blue-Shield of Nebraska YNYNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YNZNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YOACaliforniaBlue-Shield of California YOBNew York (Western)Blue-Cross Blue-Shield of Western New York YOCCaliforniaBlue-Shield of California YODPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YOEMassachusettsBlue-Cross Blue-Shield of Massachusetts YOFMassachusettsBlue-Cross Blue-Shield of Massachusetts YOGMassachusettsBlue-Cross Blue-Shield of Massachusetts YOHPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YOIMassachusettsBlue-Cross Blue-Shield of Massachusetts YOJWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin YOKMassachusettsBlue-Cross Blue-Shield of Massachusetts YOLPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YOMMassachusettsBlue-Cross Blue-Shield of Massachusetts YONMassachusettsBlue-Cross Blue-Shield of Massachusetts YOOMassachusettsBlue-Cross Blue-Shield of Massachusetts YOPOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield YOQOhioAnthem Blue-Cross Blue-Shield of Ohio YORAlaskaPremera Blue-Cross Blue-Shield of Alaska YOSWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin YOTRhode IslandBlue-Cross Blue-Shield of Rhode Island YOUCaliforniaBlue-Shield of California YOVPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YOWMassachusettsBlue-Cross Blue-Shield of Massachusetts YOXMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield YOYMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield YOZMassachusettsBlue-Cross Blue-Shield of Massachusetts YPANorth CarolinaBlue-Cross Blue-Shield of North Carolina YPBRhode IslandBlue-Cross Blue-Shield of Rhode Island YPC-Unallocated/Not Assigned YPDNorth CarolinaBlue-Cross Blue-Shield of North Carolina YPE-Unallocated/Not Assigned YPFNorth CarolinaBlue-Cross Blue-Shield

BCBS Prefix - HAA to HZZ - Blue Cross Blue Shield Alpha Prefix

Pennsylvania YYAPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYBPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYCPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYDPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYE-Unallocated/Not Assigned YYFPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYGPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYHPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYIPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYJPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYKPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYLConnecticutAnthem Blue-Cross Blue-Shield of Connecticut YYM BCBS PrefixPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYNPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYOPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYPPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYQPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYRPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYSPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYTPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYUPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYVPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYWPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYXPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YYYNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YYZPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania YZAKentuckyAnthem Blue-Cross Blue-Shield of Kentucky YZBColoradoAnthem Blue-Cross Blue-Shield of Colorado YZCCaliforniaAnthem Blue-Cross YZD BCBS PrefixIndianaAnthem Blue-Cross Blue-Shield of Indiana YZE BCBS PrefixKentuckyAnthem Blue-Cross Blue-Shield of Kentucky YZFKentuckyAnthem Blue-Cross Blue-Shield of Kentucky YZGKentuckyAnthem Blue-Cross Blue-Shield of Kentucky YZH-Unallocated/Not Assigned YZIOhioAnthem Blue-Cross Blue-Shield of Ohio YZJKentuckyAnthem Blue-Cross Blue-Shield of Kentucky YZKConnecticutAnthem Blue-Cross Blue-Shield of Connecticut YZLNebraskaBlue-Cross Blue-Shield of Nebraska YZM-Unallocated/Not Assigned YZNNevadaAnthem Blue-Cross Blue-Shield of Nevada YZOOhioAnthem Blue-Cross Blue-Shield of Ohio YZPRhode IslandBlue-Cross Blue-Shield of Rhode Island YZQOhioAnthem Blue-Cross Blue-Shield of Ohio YZRNew YorkEmpire Blue-Cross Blue-Shield of New York YZSNevadaAnthem Blue-Cross Blue-Shield of Nevada YZTNevadaAnthem Blue-Cross Blue-Shield of Nevada YZUCaliforniaAnthem Blue-Cross YZVNevadaAnthem Blue-Cross Blue-Shield of Nevada YZWNew York (Western)Blue-Cross Blue-Shield of Western New York YZXNew York (Western)Blue-Cross Blue-Shield of Western New York YZYOhioAnthem Blue-Cross Blue-Shield of Ohio YZZKentuckyAnthem Blue-Cross Blue-Shield of Kentucky. XXM Blue Cross Prefix: Massachusetts: Blue-Cross Blue-Shield of Massachusetts: XXN: Massachusetts: Blue-Cross Blue-Shield of Massachusetts: XXO: Indiana: Anthem Blue-Cross Blue-Shield of Indiana: XXP BCBS Prefix: Massachusetts: Blue-Cross Blue-Shield of Massachusetts: XXQ: Massachusetts:

BCBS Prefix - KAA to KZZ - Blue Cross Blue Shield Alpha Prefix

York YDA-Unallocated/Not Assigned YDBNebraskaBlue-Cross Blue-Shield of Nebraska YDCMontanaBlue-Cross Blue-Shield of Montana YDDMontanaBlue-Cross Blue-Shield of Montana YDEMontanaBlue-Cross Blue-Shield of Montana YDFMontanaBlue-Cross Blue-Shield of Montana YDGMontanaBlue-Cross Blue-Shield of Montana YDHCaliforniaAnthem Blue-Cross YDI-Unallocated/Not Assigned YDJMontanaBlue-Cross Blue-Shield of Montana YDKMontanaBlue-Cross Blue-Shield of Montana YDLMontanaBlue-Cross Blue-Shield of Montana YDMMontanaBlue-Cross Blue-Shield of Montana YDNMontanaBlue-Cross Blue-Shield of Montana YDORhode IslandBlue-Cross Blue-Shield of Rhode Island YDPKentuckyAnthem Blue-Cross Blue-Shield of Kentucky YDQOhioAnthem Blue-Cross Blue-Shield of Ohio YDRMontanaBlue-Cross Blue-Shield of Montana YDSMontanaBlue-Cross Blue-Shield of Montana YDTMontanaBlue-Cross Blue-Shield of Montana YDUMontanaBlue-Cross Blue-Shield of Montana YDVMontanaBlue-Cross Blue-Shield of Montana YDWAlaskaPremera Blue-Cross Blue-Shield of Alaska YDXTexasBlue-Cross Blue-Shield of Texas YDYNew YorkEmpire Blue-Cross Blue-Shield of New York YDZNew York (Western)Blue-Cross Blue-Shield of Western New York YEA-Unallocated/Not Assigned YEBCaliforniaBlue-Shield of California YECMassachusettsBlue-Cross Blue-Shield of Massachusetts YEDNebraskaBlue-Cross Blue-Shield of Nebraska YEECaliforniaBlue-Shield of California YEFNebraskaBlue-Cross Blue-Shield of Nebraska YEGNebraskaBlue-Cross Blue-Shield of Nebraska YEHNebraskaBlue-Cross Blue-Shield of Nebraska YEINorth DakotaBlue-Cross Blue-Shield of North Dakota YEJ-Unallocated/Not Assigned YEKNebraskaBlue-Cross Blue-Shield of Nebraska YELMinnesotaBlue-Cross Blue-Shield of Minnesota YEMNebraskaBlue-Cross Blue-Shield of Nebraska YEN-Unallocated/Not Assigned YEONorth DakotaBlue-Cross Blue-Shield of North Dakota YEPNorth DakotaBlue-Cross Blue-Shield of North Dakota YEQNebraskaBlue-Cross Blue-Shield of Nebraska YERNorth DakotaBlue-Cross Blue-Shield of North Dakota YESNebraskaBlue-Cross Blue-Shield of Nebraska YETIllinoisBlue-Cross Blue-Shield of Illinois YEU-Unallocated/Not Assigned YEVCaliforniaBlue-Shield of California YEWNew YorkEmpire Blue-Cross Blue-Shield of New York YEXOhioAnthem Blue-Cross Blue-Shield of Ohio YEYNew YorkEmpire Blue-Cross Blue-Shield of New York YEZNebraskaBlue-Cross Blue-Shield of Nebraska YFANevadaAnthem Blue-Cross Blue-Shield of Nevada YFBNevadaAnthem Blue-Cross Blue-Shield of Nevada YFCNevadaAnthem Blue-Cross Blue-Shield of Nevada YFDNevadaAnthem Blue-Cross Blue-Shield of Nevada YFEIllinoisBlue-Cross Blue-Shield of Illinois YFFNevadaAnthem Blue-Cross Blue-Shield of Nevada YFGNevadaAnthem Blue-Cross Blue-Shield of Nevada YFHNevadaAnthem Blue-Cross Blue-Shield of Nevada YFINevadaAnthem Blue-Cross Blue-Shield of Nevada YFJNevadaAnthem Blue-Cross Blue-Shield of Nevada YFKNevadaAnthem Blue-Cross Blue-Shield of Nevada YFLNevadaAnthem Blue-Cross Blue-Shield of Nevada YFMNebraskaBlue-Cross Blue-Shield of Nebraska YFNNevadaAnthem Blue-Cross Blue-Shield of Nevada YFONevadaAnthem Blue-Cross Blue-Shield of Nevada YFPNevadaAnthem Blue-Cross Blue-Shield of Nevada YFQ-Unallocated/Not Assigned YFRNevadaAnthem Blue-Cross Blue-Shield of Nevada YFSOhioAnthem Blue-Cross Blue-Shield of Ohio YFTNevadaAnthem Blue-Cross Blue-Shield of Nevada YFUNevadaAnthem Blue-Cross Blue-Shield of Nevada YFVConnecticutAnthem Blue-Cross Blue-Shield of Connecticut YFWNevadaAnthem Blue-Cross Blue-Shield of Nevada YFXNevadaAnthem Blue-Cross Blue-Shield of Nevada YFYNevadaAnthem Blue-Cross Blue-Shield of Nevada YFZNevadaAnthem Blue-Cross Blue-Shield of Nevada YGANew HampshireAnthem Blue-Cross Blue-Shield of New

BCBS Prefix - SAA to SZZ - Blue Cross Blue Shield Alpha Prefix

YAAConnecticutAnthem Blue-Cross Blue-Shield of Connecticut YABOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield YACKentuckyAnthem Blue-Cross Blue-Shield of Kentucky YADRhode IslandBlue-Cross Blue-Shield of Rhode Island YAEVirginiaAnthem Blue-Cross Blue-Shield of Virginia YAFColoradoAnthem Blue-Cross Blue-Shield of Colorado YAGMississippiBlue-Cross Blue-Shield of Mississippi YAHConnecticutAnthem Blue-Cross Blue-Shield of Connecticut YAIMississippiBlue-Cross Blue-Shield of Mississippi YAJAlabamaBlue-Cross Blue-Shield of Alabama YAK-Unallocated/Not Assigned YALOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield YAM-Unallocated/Not Assigned YAN-Unallocated/Not Assigned YAO-Unallocated/Not Assigned YAPMinnesotaBlue-Cross Blue-Shield of Minnesota YAQMississippiBlue-Cross Blue-Shield of Mississippi YAR-Unallocated/Not Assigned YASMississippiBlue-Cross Blue-Shield of Mississippi YATCaliforniaBlue-Shield of California YAUMississippiBlue-Cross Blue-Shield of Mississippi YAVTennesseeBlue-Cross Blue-Shield of Tennessee YAW-Unallocated/Not Assigned YAXMississippiBlue-Cross Blue-Shield of Mississippi YAYSouth Dakota/IowaWellmark Blue-Cross Blue-Shield YAZNew YorkEmpire Blue-Cross Blue-Shield of New York YBAKansas CityBlue-Cross Blue-Shield of Kansas City YBBKansas CityBlue-Cross Blue-Shield of Kansas City YBCKansas CityBlue-Cross Blue-Shield of Kansas City YBDKansas CityBlue-Cross Blue-Shield of Kansas City YBEKansas CityBlue-Cross Blue-Shield of Kansas City YBFKansas CityBlue-Cross Blue-Shield of Kansas City YBGKansas CityBlue-Cross Blue-Shield of Kansas City YBHKansas CityBlue-Cross Blue-Shield of Kansas City YBIMissouriAnthem Blue-Cross Blue-Shield of Missouri YBJKansas CityBlue-Cross Blue-Shield of Kansas City YBKOhioAnthem Blue-Cross Blue-Shield of Ohio YBLKentuckyAnthem Blue-Cross Blue-Shield of Kentucky YBMKansas CityBlue-Cross Blue-Shield of Kansas City YBNNew YorkEmpire Blue-Cross Blue-Shield of New York YBOMassachusettsBlue-Cross Blue-Shield of Massachusetts YBPKansas CityBlue-Cross Blue-Shield of Kansas City YBQCaliforniaAnthem Blue-Cross YBRCaliforniaBlue-Shield of California YBSKansas CityBlue-Cross Blue-Shield of Kansas City YBTKansas CityBlue-Cross Blue-Shield of Kansas City YBUKansas CityBlue-Cross Blue-Shield of Kansas City YBVNew YorkEmpire Blue-Cross Blue-Shield of New York YBWKansas CityBlue-Cross Blue-Shield of Kansas City YBXKansas CityBlue-Cross Blue-Shield of Kansas City YBYMinnesotaBlue-Cross Blue-Shield of Minnesota YBZ-Unallocated/Not Assigned YCAMissouriAnthem Blue-Cross Blue-Shield of Missouri YCBMissouriAnthem Blue-Cross Blue-Shield of Missouri YCCMissouriAnthem Blue-Cross Blue-Shield of Missouri YCDMissouriAnthem Blue-Cross Blue-Shield of Missouri YCEMissouriAnthem Blue-Cross Blue-Shield of Missouri YCFMissouriAnthem Blue-Cross Blue-Shield of Missouri YCGMissouriAnthem Blue-Cross Blue-Shield of Missouri YCH-Unallocated/Not Assigned YCIPennsylvaniaCapital Blue-Cross of Pennsylvania YCJKentuckyAnthem Blue-Cross Blue-Shield of Kentucky YCKOhioAnthem Blue-Cross Blue-Shield of Ohio YCLCaliforniaAnthem Blue-Cross YCMWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin YCNSouth Dakota/IowaWellmark Blue-Cross Blue-Shield YCOMinnesotaBlue-Cross Blue-Shield of Minnesota YCPOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield YCQIndianaAnthem Blue-Cross Blue-Shield of Indiana YCRMassachusettsBlue-Cross Blue-Shield of Massachusetts YCSColoradoAnthem Blue-Cross Blue-Shield of Colorado YCTConnecticutAnthem Blue-Cross Blue-Shield of Connecticut YCUMissouriAnthem Blue-Cross Blue-Shield of Missouri YCV-Unallocated/Not Assigned YCWIdahoBlue-Cross of Idaho YCXGeorgiaAnthem Blue-Cross Blue-Shield of Georgia YCYCaliforniaAnthem Blue-Cross YCZNew YorkEmpire Blue-Cross Blue-Shield of New. XXM Blue Cross Prefix: Massachusetts: Blue-Cross Blue-Shield of Massachusetts: XXN: Massachusetts: Blue-Cross Blue-Shield of Massachusetts: XXO: Indiana: Anthem Blue-Cross Blue-Shield of Indiana: XXP BCBS Prefix: Massachusetts: Blue-Cross Blue-Shield of Massachusetts: XXQ: Massachusetts: Carefirst Blue-Cross Blue-Shield: V4I-Prefix Unallocated/Not Assigned: V4J-Prefix Unallocated/Not Assigned: V4K: Illinois: Blue-Cross Blue-Shield of Illinois: V4L-Prefix Unallocated/Not Assigned: V4M: Georgia: Anthem Blue-Cross Blue-Shield of Georgia: V4N: Georgia: Anthem Blue-Cross Blue-Shield of Georgia: V4O-Prefix Unallocated/Not Assigned

BCBS Prefix - IAA to IZZ - Blue Cross Blue Shield Alpha Prefix

Hampshire YGBNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGCNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGDNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGENew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGFNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGGNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGHNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGINew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGJNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGKNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGLNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGMNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGNNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGONew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGPNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGQNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGRNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGSNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGT-Unallocated/Not Assigned YGUNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGVNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGWNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGXNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire YGYCaliforniaBlue-Shield of California YGZGeorgiaAnthem Blue-Cross Blue-Shield of Georgia YHANew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YHBNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YHC-Unallocated/Not Assigned YHDNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YHENew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YHFNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YHGNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YHHConnecticutAnthem Blue-Cross Blue-Shield of Connecticut YHINorth CarolinaBlue-Cross Blue-Shield of North Carolina YHJIndianaAnthem Blue-Cross Blue-Shield of Indiana YHKIndianaAnthem Blue-Cross Blue-Shield of Indiana YHLNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YHMSouth Dakota/IowaWellmark Blue-Cross Blue-Shield YHNNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YHONew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YHPNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YHQNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YHRNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YHSSouth Dakota/IowaWellmark Blue-Cross Blue-Shield YHTIndianaAnthem Blue-Cross Blue-Shield of Indiana YHUIndianaAnthem Blue-Cross Blue-Shield of Indiana YHVIndianaAnthem Blue-Cross Blue-Shield of Indiana YHWNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YHXNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YHYNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YHZNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey YIANew MexicoBlue-Cross Blue-Shield of New Mexico YIBNew MexicoBlue-Cross Blue-Shield of New Mexico YICNew MexicoBlue-Cross Blue-Shield of New Mexico YIDNew MexicoBlue-Cross Blue-Shield of New Mexico YIENew MexicoBlue-Cross Blue-Shield