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BCBS Prefix List C2A to C9Z

BCBS Prefix List 2024 - Alpha Numeric	State Lookup	BCBS Company
C2A	Texas	Blue-Cross Blue-Shield of Texas
C2B	Delaware	Highmark Blue-Cross Blue-Shield of Delaware
C2C	New York (Northeastern)	Blue-Shield of Northeastern New York
C2D	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
C2E	Alaska	Premera Blue-Cross of Alaska
C2F	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
C2G	Minnesota	Blue-Cross Blue-Shield of Minnesota
C2H	Alabama	Blue-Cross Blue-Shield of Alabama
C2I	Pennsylvania	Highmark Blue-Shield of Pennsylvania
C2J	California	Anthem Blue-Cross
C2K	Minnesota	Blue-Cross Blue-Shield of Minnesota
C2L	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
C2M	California	Anthem Blue-Cross
C2N	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
C2O	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
C2P	Illinois	Blue-Cross Blue-Shield of Illinois
C2Q	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
C2R	Illinois	Blue-Cross Blue-Shield of Illinois
C2S	Illinois	Blue-Cross Blue-Shield of Illinois
C2T	Alabama	Blue-Cross Blue-Shield of Alabama
C2U	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
C2V	Alaska	Premera Blue-Cross of Alaska
C2W	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
C2X	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
C2Y	Minnesota	Blue-Cross Blue-Shield of Minnesota
C2Z	California	Anthem Blue-Cross
C3A	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
C3B	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
C3C	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
C3D	Alaska	Premera Blue-Cross of Alaska
C3E	Texas	Blue-Cross Blue-Shield of Texas
C3F	Delaware	Highmark Blue-Cross Blue-Shield of Delaware
C3G	California	Anthem Blue-Cross
C3H	Alabama	Blue-Cross Blue-Shield of Alabama
C3I	California	Anthem Blue-Cross
C3J	Indiana	Anthem Blue-Cross Blue-Shield of Indiana
C3K	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
C3L	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
C3M	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
C3N	Texas	Blue-Cross Blue-Shield of Texas
C3O	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
C3P	Alaska	Premera Blue-Cross of Alaska
C3Q	Michigan	Blue-Cross Blue-Shield of Michigan
C3R	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
C3S	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
C3T	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
C3U	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
C3V	Illinois	Blue-Cross Blue-Shield of Illinois
C3W	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
C3X	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
C3Y	New York	Empire Blue-Cross Blue-Shield of New York
C3Z	New York	Empire Blue-Cross Blue-Shield of New York
C4A	Alaska	Premera Blue-Cross Blue-Shield of Alaska
C4B	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
C4C	Texas	Blue-Cross Blue-Shield of Texas
C4D	New York	Empire Blue-Cross Blue-Shield of New York
C4E	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
C4F	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
C4G	New Hampshire	Anthem Blue-Cross Blue-Shield of New Hampshire
C4H	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
C4I	Western New York	Highmark Blue-Cross Blue-Shield of Western New York
C4J	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
C4K	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
C4L	Texas	Blue-Cross Blue-Shield of Texas
C4M	New York	Empire Blue-Cross Blue-Shield of New York
C4N	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
C4O	-	Unallocated/Not Assigned
C4P	Texas	Blue-Cross Blue-Shield of Texas
C4Q	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
C4R	Alaska	Premera Blue-Cross Blue-Shield of Alaska
C4S	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
C4T	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
C4U	Oklahoma	Blue-Cross Blue-Shield of Oklahoma
C4V	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
C4W	New York (Western)	Blue-Cross Blue-Shield of Western New York
C4X	Texas	Blue-Cross Blue-Shield of Texas
C4Y	Texas	Blue-Cross Blue-Shield of Texas
C4Z	Tennessee	Blue-Cross Blue-Shield of Tennessee
C5A	California	Anthem Blue-Cross
C5B	Illinois	Blue-Cross Blue-Shield of Illinois
C5C	Arkansas	Arkansas Blue-Cross Blue-Shield
C5D	Illinois	Blue-Cross Blue-Shield of Illinois
C5E	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
C5F	Texas	Blue-Cross Blue-Shield of Texas
C5G	Indiana	Anthem Blue-Cross Blue-Shield of Indiana
C5H	Indiana	Anthem Blue-Cross Blue-Shield of Indiana
C5I	-	Unallocated/Not Assigned
C5J	Indiana	Anthem Blue-Cross Blue-Shield of Indiana
C5K	New York (Northeastern)	Blue-Shield of Northeastern New York
C5L	Illinois	Blue-Cross Blue-Shield of Illinois
C5M	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
C5N	Illinois	Blue-Cross Blue-Shield of Illinois
C5O	-	Unallocated/Not Assigned
C5P	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
C5Q	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
C5R	Connecticut	Anthem Blue-Cross Blue-Shield of Connecticut
C5S	Colorado	Anthem Blue-Cross Blue-Shield of Colorado
C5T	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
C5U	Colorado	Anthem Blue-Cross Blue-Shield of Colorado
C5V	Texas	Blue-Cross Blue-Shield of Texas
C5W	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
C5X	Colorado	Anthem Blue-Cross Blue-Shield of Colorado
C5Y	Oklahoma	Blue-Cross Blue-Shield of Oklahoma
C5Z	New York (Western)	Blue-Cross Blue-Shield of Western New York
C6A	California	Anthem Blue-Cross
C6B	New Hampshire	Anthem Blue-Cross Blue-Shield of New Hampshire
C6C	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
C6D	New Hampshire	Anthem Blue-Cross Blue-Shield of New Hampshire
C6E	New Hampshire	Anthem Blue-Cross Blue-Shield of New Hampshire
C6F	Illinois	Blue-Cross Blue-Shield of Illinois
C6G	New Hampshire	Anthem Blue-Cross Blue-Shield of New Hampshire
C6H	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
C6I	-	Unallocated/Not Assigned
C6J	Illinois	Blue-Cross Blue-Shield of Illinois
C6K	Indiana	Anthem Blue-Cross Blue-Shield of Indiana
C6L	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
C6M	Michigan	Blue-Cross Blue-Shield of Michigan
C6N	Illinois	Blue-Cross Blue-Shield of Illinois
C6O	-	Unallocated/Not Assigned
C6P	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
C6Q	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
C6R	New York	Empire Blue-Cross Blue-Shield of New York
C6S	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
C6T	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
C6U	Illinois	Blue-Cross Blue-Shield of Illinois
C6V	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
C6W	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
C6X	Connecticut	Anthem Blue-Cross Blue-Shield of Connecticut
C6Y	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
C6Z	Indiana	Anthem Blue-Cross Blue-Shield of Indiana
C7A	California	Anthem Blue-Cross
C7B	Illinois	Blue-Cross Blue-Shield of Illinois
C7C	Minnesota	Blue-Cross Blue-Shield of Minnesota
C7D	Illinois	Blue-Cross Blue-Shield of Illinois
C7E	Colorado	Anthem Blue-Cross Blue-Shield of Colorado
C7F	Illinois	Blue-Cross Blue-Shield of Illinois
C7G	California	Anthem Blue-Cross
C7H	Illinois	Blue-Cross Blue-Shield of Illinois
C7I	-	Unallocated/Not Assigned
C7J	California	Anthem Blue-Cross
C7K	Colorado	Anthem Blue-Cross Blue-Shield of Colorado
C7L	Illinois	Blue-Cross Blue-Shield of Illinois
C7M	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
C7N	Wisconsin	Anthem Blue-Cross Blue-Shield of Wisconsin
C7O	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
C7P	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
C7Q	Georgia	Anthem Blue-Cross Blue-Shield of Georgia
C7R	Texas	Blue-Cross Blue-Shield of Texas
C7S	Minnesota	Blue-Cross Blue-Shield of Minnesota
C7T	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
C7U	Illinois	Blue-Cross Blue-Shield of Illinois
C7V	Texas	Blue-Cross Blue-Shield of Texas
C7W	Colorado	Anthem Blue-Cross Blue-Shield of Colorado
C7X	Colorado	Anthem Blue-Cross Blue-Shield of Colorado
C7Y	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
C7Z	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
C8A	California	Anthem Blue-Cross
C8B	Illinois	Blue-Cross Blue-Shield of Illinois
C8C	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
C8D	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
C8E	Nevada	Anthem Blue-Cross Blue-Shield of Nevada
C8F	Massachusetts	Blue-Cross Blue-Shield of Massachusetts
C8G	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
C8H	Illinois	Blue-Cross Blue-Shield of Illinois
C8I	-	Unallocated/Not Assigned
C8J	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
C8K	Nevada	Anthem Blue-Cross Blue-Shield of Nevada
C8L	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
C8M	Illinois	Blue-Cross Blue-Shield of Illinois
C8N	Illinois	Blue-Cross Blue-Shield of Illinois
C8O	-	Unallocated/Not Assigned
C8P	Texas	Blue-Cross Blue-Shield of Texas
C8Q	California	Anthem Blue-Cross
C8R	Texas	Blue-Cross Blue-Shield of Texas
C8S	Minnesota	Blue-Cross Blue-Shield of Minnesota
C8T	Nevada	Anthem Blue-Cross Blue-Shield of Nevada
C8U	Connecticut	Anthem Blue-Cross Blue-Shield of Connecticut
C8V	California	Anthem Blue-Cross
C8W	Massachusetts	Blue-Cross Blue-Shield of Massachusetts
C8X	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
C8Y	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
C8Z	Connecticut	Anthem Blue-Cross Blue-Shield of Connecticut
C9A	New York (Western)	Blue-Cross Blue-Shield of Western New York
C9B	Connecticut	Anthem Blue-Cross Blue-Shield of Connecticut
C9C	Connecticut	Anthem Blue-Cross Blue-Shield of Connecticut
C9D	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
C9E	California	Anthem Blue-Cross
C9F	Nevada	Anthem Blue-Cross Blue-Shield of Nevada
C9G	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
C9H	Illinois	Blue-Cross Blue-Shield of Illinois
C9I	Delaware	Highmark Blue-Cross Blue-Shield of Delaware
C9J	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
C9K	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
C9L	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
C9M	Connecticut	Anthem Blue-Cross Blue-Shield of Connecticut
C9N	Illinois	Blue-Cross Blue-Shield of Illinois
C9O	Delaware	Highmark Blue-Cross Blue-Shield of Delaware
C9P	Texas	Blue-Cross Blue-Shield of Texas
C9Q	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
C9R	Texas	Blue-Cross Blue-Shield of Texas
C9S	Alaska	Premera Blue-Cross Blue-Shield of Alaska
C9T	Connecticut	Anthem Blue-Cross Blue-Shield of Connecticut
C9U	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
C9V	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
C9W	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
C9X	Colorado	Anthem Blue-Cross Blue-Shield of Colorado
C9Y	New York	Empire Blue-Cross Blue-Shield of New York
C9Z	Texas	Blue-Cross Blue-Shield of Texas

BCBS Prefix List C2A to C9Z

Blue Cross Blue Shield Provider Phone Number

Blue Cross Blue Shield Federal Phone Number