BCBS Prefix List IAA to IZZ

Blue Cross Blue Shield Provider Phone Number
Blue Cross Blue Shield Federal Phone Number
BCBS Prefix List 2021 - AlphaState LookupBCBS Company
IAAWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
IAB-Unallocated/Not Assigned
IACOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
IADIndianaAnthem Blue-Cross Blue-Shield of Indiana
IAEMichiganBlue-Cross Blue-Shield of Michigan
IAF-Unallocated/Not Assigned
IAGVirginiaAnthem Blue-Cross Blue-Shield of Virginia
IAHSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IAI-Unallocated/Not Assigned
IAJMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
IAKCaliforniaBlue-Shield of California
IALSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IAMCaliforniaBlue-Shield of California
IAN-Unallocated/Not Assigned
IAO-Unallocated/Not Assigned
IAPSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IAQ-Unallocated/Not Assigned
IARAlabamaBlue-Cross Blue-Shield of Alabama
IASMassachusettsBlue-Cross Blue-Shield of Massachusetts
IAT BCBS PrefixNew YorkEmpire Blue-Cross Blue-Shield of New York
IAUNebraskaBlue-Cross Blue-Shield of Nebraska
IAVSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IAWSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IAX-Unallocated/Not Assigned
IAYSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IAZ-Unallocated/Not Assigned
IBAIllinoisBlue-Cross Blue-Shield of Illinois
IBBNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
IBCWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
IBDWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
IBEIllinoisBlue-Cross Blue-Shield of Illinois
IBFSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IBG-Unallocated/Not Assigned
IBHAlabamaBlue-Cross Blue-Shield of Alabama
IBISouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IBJMichiganBlue-Cross Blue-Shield of Michigan
IBKGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IBLPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IBMCaliforniaBlue-Shield of California
IBN-Unallocated/Not Assigned
IBOPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IBPSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IBQOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
IBRMichiganBlue-Cross Blue-Shield of Michigan
IBSGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IBTIllinoisBlue-Cross Blue-Shield of Illinois
IBUAlabamaBlue-Cross Blue-Shield of Alabama
IBVMassachusettsBlue-Cross Blue-Shield of Massachusetts
IBWIllinoisBlue-Cross Blue-Shield of Illinois
IBXCaliforniaAnthem Blue-Cross
IBY-Unallocated/Not Assigned
IBZOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
ICAMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
ICB-Unallocated/Not Assigned
ICCColoradoAnthem Blue-Cross Blue-Shield of Colorado
ICDMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
ICEMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
ICFMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
ICGLouisianaBlue-Cross Blue-Shield of Louisiana
ICHVirginiaAnthem Blue-Cross Blue-Shield of Virginia
ICIFloridaFlorida-Blue
ICJGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
ICKMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
ICLMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
ICMCaliforniaBlue-Shield of California
ICNGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
ICONorth CarolinaBlue-Cross Blue-Shield of North Carolina
ICPGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
ICQ-Unallocated/Not Assigned
ICROhioAnthem Blue-Cross Blue-Shield of Ohio
ICS-Unallocated/Not Assigned
ICTNew York (Western)Blue-Cross Blue-Shield of Western New York
ICU-Unallocated/Not Assigned
ICVMichiganBlue-Cross Blue-Shield of Michigan
ICWMassachusettsBlue-Cross Blue-Shield of Massachusetts
ICX-Unallocated/Not Assigned
ICYOhioAnthem Blue-Cross Blue-Shield of Ohio
ICZ-Unallocated/Not Assigned
IDAIdahoBlue-Cross of Idaho
IDBFloridaFlorida-Blue
IDC-Unallocated/Not Assigned
IDDVirginiaAnthem Blue-Cross Blue-Shield of Virginia
IDEIdahoBlue-Cross of Idaho
IDFIdahoBlue-Cross of Idaho
IDG-Unallocated/Not Assigned
IDH-Unallocated/Not Assigned
IDICaliforniaBlue-Shield of California
IDJVirginiaAnthem Blue-Cross Blue-Shield of Virginia
IDKNew YorkEmpire Blue-Cross Blue-Shield of New York
IDLIdahoBlue-Cross of Idaho
IDMIdahoBlue-Cross of Idaho
IDNIdahoBlue-Cross of Idaho
IDOKansasBlue-Cross Blue-Shield of Kansas
IDPIdahoBlue-Cross of Idaho
IDQVirginiaAnthem Blue-Cross Blue-Shield of Virginia
IDRCaliforniaAnthem Blue-Cross
IDSKansas CityBlue-Cross Blue-Shield of Kansas City
IDTVirginiaAnthem Blue-Cross Blue-Shield of Virginia
IDULouisianaBlue-Cross Blue-Shield of Louisiana
IDV-Unallocated/Not Assigned
IDW-Unallocated/Not Assigned
IDXIllinoisBlue-Cross Blue-Shield of Illinois
IDYSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IDZSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IEAOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
IEBIndianaAnthem Blue-Cross Blue-Shield of Indiana
IECCaliforniaBlue-Shield of California
IED BCBS PrefixIndianaAnthem Blue-Cross Blue-Shield of Indiana
IEE-Unallocated/Not Assigned
IEFMassachusettsBlue-Cross Blue-Shield of Massachusetts
IEG-Unallocated/Not Assigned
IEHAlaskaPremera Blue-Cross Blue-Shield of Alaska
IEIPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IEJSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IEKMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
IELIllinoisBlue-Cross Blue-Shield of Illinois
IEM-Unallocated/Not Assigned
IEN-Unallocated/Not Assigned
IEO BCBS PrefixNorth CarolinaBlue-Cross Blue-Shield of North Carolina
IEPLouisianaBlue-Cross Blue-Shield of Louisiana
IEQNew YorkEmpire Blue-Cross Blue-Shield of New York
IERVirginiaAnthem Blue-Cross Blue-Shield of Virginia
IESTexasBlue-Cross Blue-Shield of Texas
IETConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
IEULouisianaBlue-Cross Blue-Shield of Louisiana
IEV-Unallocated/Not Assigned
IEWIllinoisBlue-Cross Blue-Shield of Illinois
IEXMichiganBlue-Cross Blue-Shield of Michigan
IEYSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IEZMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
IFAGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IFBSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IFCNew York (Western)Blue-Cross Blue-Shield of Western New York
IFDOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
IFEGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IFFSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IFG-Unallocated/Not Assigned
IFHPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IFIPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IFJPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IFKPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IFLOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
IFM-Unallocated/Not Assigned
IFNPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IFOPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IFPNevadaAnthem Blue-Cross Blue-Shield of Nevada
IFQMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
IFRKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
IFS-Unallocated/Not Assigned
IFTPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IFUPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IFVPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IFWPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IFXOhioAnthem Blue-Cross Blue-Shield of Ohio
IFYMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
IFZSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IGAPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IGB-Unallocated/Not Assigned
IGCMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
IGDSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IGEAlabamaBlue-Cross Blue-Shield of Alabama
IGFCaliforniaBlue-Shield of California
IGGCaliforniaBlue-Shield of California
IGHPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IGISouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IGJPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IGKPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IGLPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IGM-Unallocated/Not Assigned
IGNPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IGONew York (Western)Blue-Cross Blue-Shield of Western New York
IGPSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IGQPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IGR-Unallocated/Not Assigned
IGS-Unallocated/Not Assigned
IGT-Unallocated/Not Assigned
IGULouisianaBlue-Cross Blue-Shield of Louisiana
IGVPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IGWMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
IGXMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
IGYMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
IGZPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IHA-Unallocated/Not Assigned
IHBSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IHC-Unallocated/Not Assigned
IHDNebraskaBlue-Cross Blue-Shield of Nebraska
IHEOhioAnthem Blue-Cross Blue-Shield of Ohio
IHFNew YorkEmpire Blue-Cross Blue-Shield of New York
IHG-Unallocated/Not Assigned
IHHAlabamaBlue-Cross Blue-Shield of Alabama
IHIPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IHJNew YorkEmpire Blue-Cross Blue-Shield of New York
IHKPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IHLWest VirginiaHighmark Blue-Cross Blue-Shield of West Virginia
IHMDelawareHighmark Blue-Cross Blue-Shield of Delaware
IHNCaliforniaBlue-Shield of California
IHOLouisianaBlue-Cross Blue-Shield of Louisiana
IHP-Unallocated/Not Assigned
IHQLouisianaBlue-Cross Blue-Shield of Louisiana
IHRCaliforniaBlue-Shield of California
IHSMassachusettsBlue-Cross Blue-Shield of Massachusetts
IHTAlabamaBlue-Cross Blue-Shield of Alabama
IHU-Unallocated/Not Assigned
IHV-Unallocated/Not Assigned
IHWCaliforniaBlue-Shield of California
IHXColoradoAnthem Blue-Cross Blue-Shield of Colorado
IHYGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IHZGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IIACaliforniaBlue-Shield of California
IIB-Unallocated/Not Assigned
IICNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
IIDIdahoBlue-Cross of Idaho
IIEPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IIFGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IIGPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IIH-Unallocated/Not Assigned
IIITennesseeBlue-Cross Blue-Shield of Tennessee
IIJPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IIKPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IILPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IIMPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IINMassachusettsBlue-Cross Blue-Shield of Massachusetts
IIO-Unallocated/Not Assigned
IIPNew York (Western)Blue-Cross Blue-Shield of Western New York
IIQFloridaFlorida-Blue
IIRSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IIS-Unallocated/Not Assigned
IITIllinoisBlue-Cross Blue-Shield of Illinois
IIUPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IIVFloridaFlorida-Blue
IIWCaliforniaBlue-Shield of California
IIXIdahoBlue-Cross of Idaho
IIYSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IIZFloridaFlorida-Blue
IJAWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
IJBKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
IJC-Unallocated/Not Assigned
IJDNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
IJENew York (Western)Blue-Cross Blue-Shield of Western New York
IJFGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IJGGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IJHGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IJIGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IJJGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IJKGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IJLGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IJM-Unallocated/Not Assigned
IJNFloridaFlorida-Blue
IJO-Unallocated/Not Assigned
IJPSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IJQGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IJRIdahoBlue-Cross of Idaho
IJSWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
IJTGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IJUTexasBlue-Cross Blue-Shield of Texas
IJVGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IJW-Unallocated/Not Assigned
IJXGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IJYPennsylvaniaCapital Blue-Cross of Pennsylvania
IJZSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IKAKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
IKBVirginiaAnthem Blue-Cross Blue-Shield of Virginia
IKCVirginiaAnthem Blue-Cross Blue-Shield of Virginia
IKDSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IKEPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IKFPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IKG-Unallocated/Not Assigned
IKHSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IKIFloridaFlorida-Blue
IKJ-Unallocated/Not Assigned
IKKMichiganBlue-Cross Blue-Shield of Michigan
IKLVirginiaAnthem Blue-Cross Blue-Shield of Virginia
IKM-Unallocated/Not Assigned
IKN-Unallocated/Not Assigned
IKODelawareHighmark Blue-Cross Blue-Shield of Delaware
IKP-Unallocated/Not Assigned
IKQSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IKRMissouriAnthem Blue-Cross Blue-Shield of Missouri
IKSCaliforniaBlue-Shield of California
IKTKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
IKUGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IKVMichiganBlue-Cross Blue-Shield of Michigan
IKW-Unallocated/Not Assigned
IKXMichiganBlue-Cross Blue-Shield of Michigan
IKYNebraskaBlue-Cross Blue-Shield of Nebraska
IKZ-Unallocated/Not Assigned
ILANew YorkEmpire Blue-Cross Blue-Shield of New York
ILBMassachusettsBlue-Cross Blue-Shield of Massachusetts
ILCSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
ILDMichiganBlue-Cross Blue-Shield of Michigan
ILESouth Dakota/IowaWellmark Blue-Cross Blue-Shield
ILFAlabamaBlue-Cross Blue-Shield of Alabama
ILGCaliforniaBlue-Shield of California
ILHCaliforniaAnthem Blue-Cross
ILI-Unallocated/Not Assigned
ILJWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
ILKOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
ILLCaliforniaAnthem Blue-Cross
ILM-Unallocated/Not Assigned
ILN-Unallocated/Not Assigned
ILOWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
ILPKansas CityBlue-Cross Blue-Shield of Kansas City
ILQ-Unallocated/Not Assigned
ILR-Unallocated/Not Assigned
ILSAlaskaPremera Blue-Cross Blue-Shield of Alaska
ILTIllinoisBlue-Cross Blue-Shield of Illinois
ILU-Unallocated/Not Assigned
ILVAlabamaBlue-Cross Blue-Shield of Alabama
ILWCaliforniaBlue-Shield of California
ILXAlabamaBlue-Cross Blue-Shield of Alabama
ILY BCBS PrefixCaliforniaAnthem Blue-Cross
ILZMichiganBlue-Cross Blue-Shield of Michigan
IMANew YorkExcellus Blue-Cross Blue-Shield of New York
IMBMassachusettsBlue-Cross Blue-Shield of Massachusetts
IMCVirginiaAnthem Blue-Cross Blue-Shield of Virginia
IMD-Unallocated/Not Assigned
IMEPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IMFOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
IMGOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
IMHColoradoAnthem Blue-Cross Blue-Shield of Colorado
IMISouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IMJMissouriAnthem Blue-Cross Blue-Shield of Missouri
IMKMaineAnthem Blue-Cross Blue-Shield of Maine
IML-Unallocated/Not Assigned
IMMNew York (Western)Blue-Cross Blue-Shield of Western New York
IMN-Unallocated/Not Assigned
IMO-Unallocated/Not Assigned
IMP-Unallocated/Not Assigned
IMQTennesseeBlue-Cross Blue-Shield of Tennessee
IMRAlabamaBlue-Cross Blue-Shield of Alabama
IMSKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
IMTSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IMULouisianaBlue-Cross Blue-Shield of Louisiana
IMVMassachusettsBlue-Cross Blue-Shield of Massachusetts
IMWOhioAnthem Blue-Cross Blue-Shield of Ohio
IMXMissouriAnthem Blue-Cross Blue-Shield of Missouri
IMYSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IMZSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
INAKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
INBAlaskaPremera Blue-Cross of Alaska
INCCaliforniaAnthem Blue-Cross
INDNorth CarolinaBlue-Cross Blue-Shield of North Carolina
INESouth CarolinaBlue-Cross Blue-Shield of South Carolina
INF-Unallocated/Not Assigned
INGOhioAnthem Blue-Cross Blue-Shield of Ohio
INH-Unallocated/Not Assigned
INIDelawareHighmark Blue-Cross Blue-Shield of Delaware
INJKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
INKCaliforniaAnthem Blue-Cross
INLTennesseeBlue-Cross Blue-Shield of Tennessee
INM-Unallocated/Not Assigned
INN-Unallocated/Not Assigned
INOCaliforniaBlue-Shield of California
INPNorth CarolinaBlue-Cross Blue-Shield of North Carolina
INQOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
INRIndianaAnthem Blue-Cross Blue-Shield of Indiana
INSSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
INTVirginiaAnthem Blue-Cross Blue-Shield of Virginia
INU-Unallocated/Not Assigned
INVSouth CarolinaBlue-Cross Blue-Shield of South Carolina
INWPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
INX-Unallocated/Not Assigned
INYCaliforniaAnthem Blue-Cross
INZ-Unallocated/Not Assigned
IOA-Unallocated/Not Assigned
IOBTennesseeBlue-Cross Blue-Shield of Tennessee
IOCCaliforniaBlue-Shield of California
IODMichiganBlue-Cross Blue-Shield of Michigan
IOENew YorkEmpire Blue-Cross Blue-Shield of New York
IOFCaliforniaBlue-Shield of California
IOGNew York (Northeastern)Blue-Shield of Northeastern New York
IOH-Unallocated/Not Assigned
IOIMichiganBlue-Cross Blue-Shield of Michigan
IOJMichiganBlue-Cross Blue-Shield of Michigan
IOK-Unallocated/Not Assigned
IOLMichiganBlue-Cross Blue-Shield of Michigan
IOMMichiganBlue-Cross Blue-Shield of Michigan
IONFloridaFlorida-Blue
IOOMichiganBlue-Cross Blue-Shield of Michigan
IOPNew York (Western)Blue-Cross Blue-Shield of Western New York
IOQMichiganBlue-Cross Blue-Shield of Michigan
IORSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IOSNorth CarolinaBlue-Cross Blue-Shield of North Carolina
IOTPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IOULouisianaBlue-Cross Blue-Shield of Louisiana
IOV-Unallocated/Not Assigned
IOW-Unallocated/Not Assigned
IOXOhioAnthem Blue-Cross Blue-Shield of Ohio
IOYSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IOZCaliforniaBlue-Shield of California
IPAVirginiaAnthem Blue-Cross Blue-Shield of Virginia
IPBPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IPC-Unallocated/Not Assigned
IPDPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IPECaliforniaBlue-Shield of California
IPF-Unallocated/Not Assigned
IPGVirginiaAnthem Blue-Cross Blue-Shield of Virginia
IPHKansasBlue-Cross Blue-Shield of Kansas
IPI-Unallocated/Not Assigned
IPJ-Unallocated/Not Assigned
IPKCaliforniaBlue-Shield of California
IPLKansas CityBlue-Cross Blue-Shield of Kansas City
IPMPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IPNPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IPO-Unallocated/Not Assigned
IPPGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IPQOhioAnthem Blue-Cross Blue-Shield of Ohio
IPRSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IPSCaliforniaBlue-Shield of California
IPTIllinoisBlue-Cross Blue-Shield of Illinois
IPUIdahoBlue-Cross of Idaho
IPVMichiganBlue-Cross Blue-Shield of Michigan
IPWOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
IPXSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IPYNew York (Western)Blue-Cross Blue-Shield of Western New York
IPZRhode IslandBlue-Cross Blue-Shield of Rhode Island
IQA-Unallocated/Not Assigned
IQBGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IQCPennsylvaniaCapital Blue-Cross of Pennsylvania
IQDGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IQETennesseeBlue-Cross Blue-Shield of Tennessee
IQFTennesseeBlue-Cross Blue-Shield of Tennessee
IQGIndianaAnthem Blue-Cross Blue-Shield of Indiana
IQHKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
IQIMissouriAnthem Blue-Cross Blue-Shield of Missouri
IQJVirginiaAnthem Blue-Cross Blue-Shield of Virginia
IQKGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IQLGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IQMGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IQNLouisianaBlue-Cross Blue-Shield of Louisiana
IQOCaliforniaAnthem Blue-Cross
IQP-Unallocated/Not Assigned
IQQGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IQRWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
IQSPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IQTOhioAnthem Blue-Cross Blue-Shield of Ohio
IQUMichiganBlue-Cross Blue-Shield of Michigan
IQVGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IQWGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IQXGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IQYSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IQZ-Unallocated/Not Assigned
IRANew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
IRBMassachusettsBlue-Cross Blue-Shield of Massachusetts
IRCColoradoAnthem Blue-Cross Blue-Shield of Colorado
IRD-Unallocated/Not Assigned
IRE-Unallocated/Not Assigned
IRF-Unallocated/Not Assigned
IRGLouisianaBlue-Cross Blue-Shield of Louisiana
IRH-Unallocated/Not Assigned
IRIRhode IslandBlue-Cross Blue-Shield of Rhode Island
IRJSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IRKAlabamaBlue-Cross Blue-Shield of Alabama
IRL-Unallocated/Not Assigned
IRMKansas CityBlue-Cross Blue-Shield of Kansas City
IRN-Unallocated/Not Assigned
IROOhioAnthem Blue-Cross Blue-Shield of Ohio
IRPFloridaFlorida-Blue
IRQFloridaFlorida-Blue
IRROhioAnthem Blue-Cross Blue-Shield of Ohio
IRSFloridaFlorida-Blue
IRTSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IRUConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
IRV-Unallocated/Not Assigned
IRWCaliforniaBlue-Shield of California
IRXMassachusettsBlue-Cross Blue-Shield of Massachusetts
IRYPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IRZCaliforniaAnthem Blue-Cross
ISAOhioAnthem Blue-Cross Blue-Shield of Ohio
ISBAlaskaPremera Blue-Cross Blue-Shield of Alaska
ISCNew JerseyHorizon Blue-Cross Blue-Shield of New Jersey
ISDArizonaBlue-Cross Blue-Shield of Arizona
ISEVirginiaAnthem Blue-Cross Blue-Shield of Virginia
ISF-Unallocated/Not Assigned
ISG-Unallocated/Not Assigned
ISHMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
ISICaliforniaBlue-Shield of California
ISJPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ISKKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
ISLSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
ISMPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
ISNIdahoBlue-Cross of Idaho
ISOMassachusettsBlue-Cross Blue-Shield of Massachusetts
ISPWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
ISQKansas CityBlue-Cross Blue-Shield of Kansas City
ISR-Unallocated/Not Assigned
ISSMissouriAnthem Blue-Cross Blue-Shield of Missouri
ISTOhioAnthem Blue-Cross Blue-Shield of Ohio
ISUIdahoBlue-Cross of Idaho
ISV-Unallocated/Not Assigned
ISWIdahoBlue-Cross of Idaho
ISXSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
ISY-Unallocated/Not Assigned
ISZIdahoBlue-Cross of Idaho
ITAMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
ITBSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
ITCMassachusettsBlue-Cross Blue-Shield of Massachusetts
ITDPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ITENorth CarolinaBlue-Cross Blue-Shield of North Carolina
ITFMichiganBlue-Cross Blue-Shield of Michigan
ITG-Unallocated/Not Assigned
ITHPennsylvaniaCapital Blue-Cross of Pennsylvania
ITI-Unallocated/Not Assigned
ITJ-Unallocated/Not Assigned
ITKMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
ITL-Unallocated/Not Assigned
ITMMichiganBlue-Cross Blue-Shield of Michigan
ITN-Unallocated/Not Assigned
ITONew York (Northeastern)Blue-Shield of Northeastern New York
ITPOhioAnthem Blue-Cross Blue-Shield of Ohio
ITQSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
ITRNew YorkEmpire Blue-Cross Blue-Shield of New York
ITSArkansasArkansas Blue-Cross Blue-Shield
ITTGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
ITUOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
ITV-Unallocated/Not Assigned
ITWIllinoisBlue-Cross Blue-Shield of Illinois
ITXOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
ITYPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
ITZGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IUASouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IUBConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
IUCOhioAnthem Blue-Cross Blue-Shield of Ohio
IUD-Unallocated/Not Assigned
IUENew YorkEmpire Blue-Cross Blue-Shield of New York
IUFMissouriAnthem Blue-Cross Blue-Shield of Missouri
IUGAlaskaPremera Blue-Cross Blue-Shield of Alaska
IUHMassachusettsBlue-Cross Blue-Shield of Massachusetts
IUIRhode IslandBlue-Cross Blue-Shield of Rhode Island
IUJ-Unallocated/Not Assigned
IUKLouisianaBlue-Cross Blue-Shield of Louisiana
IULMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
IUMMassachusettsBlue-Cross Blue-Shield of Massachusetts
IUN-Unallocated/Not Assigned
IUONew YorkEmpire Blue-Cross Blue-Shield of New York
IUPConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
IUQMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
IURPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IUSPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IUTOhioAnthem Blue-Cross Blue-Shield of Ohio
IUU-Unallocated/Not Assigned
IUVOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
IUWOhioAnthem Blue-Cross Blue-Shield of Ohio
IUX-Unallocated/Not Assigned
IUYGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IUZ-Unallocated/Not Assigned
IVA-Unallocated/Not Assigned
IVBMichiganBlue-Cross Blue-Shield of Michigan
IVCKansas CityBlue-Cross Blue-Shield of Kansas City
IVD-Unallocated/Not Assigned
IVECaliforniaBlue-Shield of California
IVFTennesseeBlue-Cross Blue-Shield of Tennessee
IVG-Unallocated/Not Assigned
IVHRhode IslandBlue-Cross Blue-Shield of Rhode Island
IVILouisianaBlue-Cross Blue-Shield of Louisiana
IVJWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
IVKMississippiBlue-Cross Blue-Shield of Mississippi
IVL-Unallocated/Not Assigned
IVM-Unallocated/Not Assigned
IVNTennesseeBlue-Cross Blue-Shield of Tennessee
IVO-Unallocated/Not Assigned
IVPMichiganBlue-Cross Blue-Shield of Michigan
IVQ-Unallocated/Not Assigned
IVRArizonaBlue-Cross Blue-Shield of Arizona
IVSCaliforniaAnthem Blue-Cross
IVTSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IVUFloridaFlorida-Blue
IVVPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
IVWWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
IVXOhioAnthem Blue-Cross Blue-Shield of Ohio
IVYRhode IslandBlue-Cross Blue-Shield of Rhode Island
IVZIndianaAnthem Blue-Cross Blue-Shield of Indiana
IWA BCBS PrefixIndianaAnthem Blue-Cross Blue-Shield of Indiana
IWB-Unallocated/Not Assigned
IWCVirginiaAnthem Blue-Cross Blue-Shield of Virginia
IWDMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
IWESouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IWFNew YorkEmpire Blue-Cross Blue-Shield of New York
IWGNew YorkExcellus Blue-Cross Blue-Shield of New York
IWHMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
IWIGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IWJIndianaAnthem Blue-Cross Blue-Shield of Indiana
IWKMichiganBlue-Cross Blue-Shield of Michigan
IWLGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IWM-Unallocated/Not Assigned
IWNOhioAnthem Blue-Cross Blue-Shield of Ohio
IWOMissouriAnthem Blue-Cross Blue-Shield of Missouri
IWPMichiganBlue-Cross Blue-Shield of Michigan
IWQGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IWRConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
IWSSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IWTPennsylvaniaCapital Blue-Cross of Pennsylvania
IWUVirginiaAnthem Blue-Cross Blue-Shield of Virginia
IWVKansas CityBlue-Cross Blue-Shield of Kansas City
IWWMassachusettsBlue-Cross Blue-Shield of Massachusetts
IWXNew York (Western)Blue-Cross Blue-Shield of Western New York
IWYNew YorkEmpire Blue-Cross Blue-Shield of New York
IWZMichiganBlue-Cross Blue-Shield of Michigan
IXAArkansasArkansas Blue-Cross Blue-Shield
IXBCaliforniaBlue-Shield of California
IXC-Unallocated/Not Assigned
IXD-Unallocated/Not Assigned
IXEOhioAnthem Blue-Cross Blue-Shield of Ohio
IXFIndianaAnthem Blue-Cross Blue-Shield of Indiana
IXGIndianaAnthem Blue-Cross Blue-Shield of Indiana
IXHIndianaAnthem Blue-Cross Blue-Shield of Indiana
IXIFloridaFlorida-Blue
IXJIndianaAnthem Blue-Cross Blue-Shield of Indiana
IXKOhioAnthem Blue-Cross Blue-Shield of Ohio
IXLCaliforniaBlue-Shield of California
IXMCaliforniaBlue-Shield of California
IXNOhioAnthem Blue-Cross Blue-Shield of Ohio
IXOCaliforniaBlue-Shield of California
IXPMissouriAnthem Blue-Cross Blue-Shield of Missouri
IXQSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IXRMichiganBlue-Cross Blue-Shield of Michigan
IXS-Unallocated/Not Assigned
IXT-Unallocated/Not Assigned
IXUPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IXV-Unallocated/Not Assigned
IXWMichiganBlue-Cross Blue-Shield of Michigan
IXXOhioAnthem Blue-Cross Blue-Shield of Ohio
IXYOhioAnthem Blue-Cross Blue-Shield of Ohio
IXZ-Unallocated/Not Assigned
IYA-Unallocated/Not Assigned
IYBWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
IYCPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IYDPennsylvaniaCapital Blue-Cross of Pennsylvania
IYE-Unallocated/Not Assigned
IYF-Unallocated/Not Assigned
IYGFloridaFlorida-Blue
IYHKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
IYIMichiganBlue-Cross Blue-Shield of Michigan
IYJKansas CityBlue-Cross Blue-Shield of Kansas City
IYK-Unallocated/Not Assigned
IYLGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IYM-Unallocated/Not Assigned
IYNAlaskaPremera Blue-Cross of Alaska
IYO-Unallocated/Not Assigned
IYPColoradoAnthem Blue-Cross Blue-Shield of Colorado
IYQSouth CarolinaBlue-Cross Blue-Shield of South Carolina
IYRFloridaFlorida-Blue
IYS-Unallocated/Not Assigned
IYT-Unallocated/Not Assigned
IYUMichiganBlue-Cross Blue-Shield of Michigan
IYVMichiganBlue-Cross Blue-Shield of Michigan
IYWPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IYXMichiganBlue-Cross Blue-Shield of Michigan
IYYMichiganBlue-Cross Blue-Shield of Michigan
IYZMichiganBlue-Cross Blue-Shield of Michigan
IZAAlabamaBlue-Cross Blue-Shield of Alabama
IZBWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
IZC-Unallocated/Not Assigned
IZDGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IZEMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
IZFPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
IZGMichiganBlue-Cross Blue-Shield of Michigan
IZH-Unallocated/Not Assigned
IZIMichiganBlue-Cross Blue-Shield of Michigan
IZJMichiganBlue-Cross Blue-Shield of Michigan
IZKOhioAnthem Blue-Cross Blue-Shield of Ohio
IZLMichiganBlue-Cross Blue-Shield of Michigan
IZMMichiganBlue-Cross Blue-Shield of Michigan
IZN-Unallocated/Not Assigned
IZOMichiganBlue-Cross Blue-Shield of Michigan
IZPIdahoBlue-Cross of Idaho
IZQ-Unallocated/Not Assigned
IZRMichiganBlue-Cross Blue-Shield of Michigan
IZSMichiganBlue-Cross Blue-Shield of Michigan
IZT-Unallocated/Not Assigned
IZUSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
IZVGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
IZWMichiganBlue-Cross Blue-Shield of Michigan
IZXMichiganBlue-Cross Blue-Shield of Michigan
IZYMichiganBlue-Cross Blue-Shield of Michigan
IZZ-Unallocated/Not Assigned

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