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BCBS Prefix List B2A to B9Z

BCBS Prefix List 2024 - Alpha Numeric	State Lookup	BCBS Company
B2A	California	Anthem Blue-Cross
B2B	Massachusetts	Blue-Cross Blue-Shield of Massachusetts
B2C	Texas	Blue-Cross Blue-Shield of Texas
B2D	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
B2E	Pennsylvania	Highmark Blue-Shield of Pennsylvania
B2F	Texas	Blue-Cross Blue-Shield of Texas
B2G	New York (Western)	Blue-Cross Blue-Shield of Western New York
B2H	Massachusetts	Blue-Cross Blue-Shield of Massachusetts
B2I	-	Unallocated/Not Assigned
B2J	Illinois	Blue-Cross Blue-Shield of Illinois
B2K	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B2L	Delaware	Highmark Blue-Cross Blue-Shield of Delaware
B2M	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B2N	New York (Northeastern)	Blue-Shield of Northeastern New York
B2O	Massachusetts	Blue-Cross Blue-Shield of Massachusetts
B2P	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B2Q	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B2R	Arkansas	Arkansas Blue-Cross Blue-Shield
B2S	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
B2T	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B2U	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B2V	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B2W	New York (Western)	Blue-Cross Blue-Shield of Western New York
B2X	Illinois	Blue-Cross Blue-Shield of Illinois
B2Y	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B2Z	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B3A	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B3B	New York	Empire Blue-Cross Blue-Shield of New York
B3C	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B3D	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
B3E	Texas	Blue-Cross Blue-Shield of Texas
B3F	California	Anthem Blue-Cross
B3G	New York	Empire Blue-Cross Blue-Shield of New York
B3H	New York	Empire Blue-Cross Blue-Shield of New York
B3I	New York	Empire Blue-Cross Blue-Shield of New York
B3J	Alaska	Premera Blue-Cross of Alaska
B3K	New York	Empire Blue-Cross Blue-Shield of New York
B3L	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
B3M	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B3N	New York	Empire Blue-Cross Blue-Shield of New York
B3O	New York	Empire Blue-Cross Blue-Shield of New York
B3P	Texas	Blue-Cross Blue-Shield of Texas
B3Q	New York	Empire Blue-Cross Blue-Shield of New York
B3R	New York	Empire Blue-Cross Blue-Shield of New York
B3S	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B3T	New York	Empire Blue-Cross Blue-Shield of New York
B3U	New York	Empire Blue-Cross Blue-Shield of New York
B3V	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B3W	New York	Empire Blue-Cross Blue-Shield of New York
B3X	New York	Empire Blue-Cross Blue-Shield of New York
B3Y	New York	Empire Blue-Cross Blue-Shield of New York
B3Z	New York	Empire Blue-Cross Blue-Shield of New York
B4A	California	Anthem Blue-Cross
B4B	Pennsylvania	Highmark Blue-Shield of Pennsylvania
B4C	Pennsylvania	Highmark Blue-Shield of Pennsylvania
B4D	Pennsylvania	Highmark Blue-Shield of Pennsylvania
B4E	Pennsylvania	Highmark Blue-Shield of Pennsylvania
B4F	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
B4G	Delaware	Highmark Blue-Cross Blue-Shield of Delaware
B4H	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
B4I	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B4J	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B4K	California	Anthem Blue-Cross
B4L	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B4M	Delaware	Highmark Blue-Cross Blue-Shield of Delaware
B4N	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B4O	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B4P	Pennsylvania	Capital Blue-Cross of Pennsylvania
B4Q	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B4R	Pennsylvania	Highmark Blue-Shield of Pennsylvania
B4S	Texas	Blue-Cross Blue-Shield of Texas
B4T	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
B4U	New York	Empire Blue-Cross Blue-Shield of New York
B4V	Texas	Blue-Cross Blue-Shield of Texas
B4W	Massachusetts	Blue-Cross Blue-Shield of Massachusetts
B4X	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B4Y	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B4Z	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B5A	California	Anthem Blue-Cross
B5B	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
B5C	Rhode Island	Blue-Cross Blue-Shield of Rhode Island
B5D	Nevada	Anthem Blue-Cross Blue-Shield of Nevada
B5E	Pennsylvania	Capital Blue-Cross of Pennsylvania
B5F	Delaware	Highmark Blue-Cross Blue-Shield of Delaware
B5G	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B5H	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
B5I	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
B5J	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
B5K	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B5L	New York	Empire Blue-Cross Blue-Shield of New York
B5M	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B5N	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B5O	Alaska	Premera Blue-Cross Blue-Shield of Alaska
B5P	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B5Q	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B5R	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B5S	Texas	Blue-Cross Blue-Shield of Texas
B5T	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
B5U	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B5V	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
B5W	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B5X	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B5Y	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B5Z	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B6A	Massachusetts	Blue-Cross Blue-Shield of Massachusetts
B6B	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B6C	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B6D	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B6E	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B6F	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B6G	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B6H	New York	Empire Blue-Cross Blue-Shield of New York
B6I	New York	Empire Blue-Cross Blue-Shield of New York
B6J	New York	Empire Blue-Cross Blue-Shield of New York
B6K	New York	Empire Blue-Cross Blue-Shield of New York
B6L	New York	Empire Blue-Cross Blue-Shield of New York
B6M	Delaware	Highmark Blue-Cross Blue-Shield of Delaware
B6N	New York	Empire Blue-Cross Blue-Shield of New York
B6O	New York	Empire Blue-Cross Blue-Shield of New York
B6P	New York	Empire Blue-Cross Blue-Shield of New York
B6Q	New York	Empire Blue-Cross Blue-Shield of New York
B6R	New York	Empire Blue-Cross Blue-Shield of New York
B6S	New York	Empire Blue-Cross Blue-Shield of New York
B6T	Alaska	Premera Blue-Cross Blue-Shield of Alaska
B6U	New York	Empire Blue-Cross Blue-Shield of New York
B6V	New York	Empire Blue-Cross Blue-Shield of New York
B6W	New York	Empire Blue-Cross Blue-Shield of New York
B6X	New York	Empire Blue-Cross Blue-Shield of New York
B6Y	California	Anthem Blue-Cross
B6Z	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B7A	California	Anthem Blue-Cross
B7B	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B7C	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
B7D	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
B7E	North Dakota	Blue-Cross Blue-Shield of North Dakota
B7F	Texas	Blue-Cross Blue-Shield of Texas
B7G	New York	Empire Blue-Cross Blue-Shield of New York
B7H	New York	Empire Blue-Cross Blue-Shield of New York
B7I	Pennsylvania	Capital Blue-Cross of Pennsylvania
B7J	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
B7K	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B7L	Massachusetts	Blue-Cross Blue-Shield of Massachusetts
B7M	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
B7N	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B7O	Gerogia	Anthem Blue-Cross-Blue-Shield of Georgia
B7P	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
B7Q	Pennsylvania	Capital Blue-Cross of Pennsylvania
B7R	Minnesota	Blue-Cross Blue-Shield of Minnesota
B7S	Texas	Blue-Cross Blue-Shield of Texas
B7T	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
B7U	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
B7V	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
B7W	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
B7X	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
B7Y	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
B7Z	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
B8A	California	Anthem Blue-Cross
B8B	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
B8C	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
B8D	Missouri	Anthem Blue-Cross Blue-Shield of Missouri
B8E	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
B8F	Texas	Blue-Cross Blue-Shield of Texas
B8G	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
B8H	Illinois	Blue-Cross Blue-Shield of Illinois
B8I	-	Unallocated/Not Assigned
B8J	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
B8K	Pennsylvania	Highmark Blue-Cross Blue-Shield of Pennsylvania
B8L	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
B8M	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
B8N	California	Anthem Blue-Cross
B8O	Gerogia	Anthem Blue-Cross-Blue-Shield of Georgia
B8P	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B8Q	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B8R	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B8S	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B8T	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B8U	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B8V	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B8W	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B8X	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B8Y	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B8Z	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B9A	California	Anthem Blue-Cross
B9B	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B9C	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B9D	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B9E	Ohio	Anthem Blue-Cross Blue-Shield of Ohio
B9F	Texas	Blue-Cross Blue-Shield of Texas
B9G	Massachusetts	Blue-Cross Blue-Shield of Massachusetts
B9H	Texas	Blue-Cross Blue-Shield of Texas
B9I	-	Unallocated/Not Assigned
B9J	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
B9K	Oklahoma	Blue-Cross Blue-Shield of Oklahoma
B9L	Pennsylvania	Highmark Blue-Shield of Pennsylvania
B9M	Pennsylvania	Highmark Blue-Shield of Pennsylvania
B9N	Pennsylvania	Highmark Blue-Shield of Pennsylvania
B9O	Gerogia	Anthem Blue-Cross Blue-Shield of Georgia
B9P	Pennsylvania	Independence Blue-Cross of Philadelphia and Southeastern Pennsylvania
B9Q	Oregon/Idaho/Utah/Washington	Regence Blue-Cross Blue-Shield
B9R	New Jersey	Horizon Blue-Cross Blue-Shield of New Jersey
B9S	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B9T	Virginia	Anthem Blue-Cross Blue-Shield of Virginia
B9U	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B9V	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B9W	California	Anthem Blue-Cross
B9X	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield
B9Y	Indiana	Anthem Blue-Cross Blue-Shield of Indiana
B9Z	Maryland/District of Columbia/Northern Virginia	Carefirst Blue-Cross Blue-Shield

BCBS Prefix List B2A to B9Z

Blue Cross Blue Shield Provider Phone Number

Blue Cross Blue Shield Federal Phone Number