BCBS Prefix – E2A to E9Z

BCBS Company List	BCBS Alpha Numeric Prefix List 2024 – E2A to E9Z	Provider Phone Number
BCBS of Texas	E2A BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
BCBS of Texas	E2B BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
Anthem BCBS of Indiana	E2C BCBS Prefix	Indiana-IN Phone number & Claims address
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E2D BCBS Prefix	Complete list of phone number
Regence BCBS(Oregon/Idaho/Utah/Washington)	E2E BCBS Prefix	(800)253-0838
Anthem Bluecross of California	E2F BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Anthem Bluecross of California	E2G BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Anthem Bluecross of California	E2H BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Alpha Numeric Prefix Not assigned or Unallocated	E2I BCBS Prefix	N/A
Anthem Bluecross of California	E2J BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
BCBS of Illinois	E2K BCBS Prefix	(800)972-8088 BCBS of Illinois complete contact list
BCBS of Massachusetts	E2L BCBS Prefix	(800)443-6657 (800)676-2583(Bluecard)
BCBS of Texas	E2M BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
BCBS of Illinois	E2N BCBS Prefix	(800)972-8088 BCBS of Illinois complete contact list
Alpha Numeric Prefix Not assigned or Unallocated	E2O BCBS Prefix	N/A
Anthem Bluecross of California	E2P BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Anthem Bluecross of California	E2Q BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Anthem Bluecross of California	E2R BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Regence BCBS(Oregon/Idaho/Utah/Washington)	E2S BCBS Prefix	(800)253-0838
BCBS of Massachusetts	E2T BCBS Prefix	(800)443-6657 (800)676-2583(Bluecard)
Anthem Bluecross of California	E2U BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
BCBS of Illinois	E2V BCBS Prefix	(800)972-8088 BCBS of Illinois complete contact list
Anthem Bluecross of California	E2W BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Anthem Bluecross of California	E2X BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Anthem Bluecross of California	E2Y BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Anthem Bluecross of California	E2Z BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
BCBS of Massachusetts	E3A BCBS Prefix	(800)443-6657 (800)676-2583(Bluecard)
Anthem Bluecross of California	E3B BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Anthem Bluecross of California	E3C BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Anthem Bluecross of California	E3D BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Anthem Bluecross of California	E3E BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Anthem Bluecross of California	E3F BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
BCBS of Illinois	E3G BCBS Prefix	(800)972-8088 BCBS of Illinois complete contact list
Anthem Bluecross of California	E3H BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Alpha Numeric Prefix Not assigned or Unallocated	E3I BCBS Prefix	N/A
Anthem Bluecross of California	E3J BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Anthem Bluecross of California	E3K BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Empire BCBS of New York	E3L BCBS Prefix	(800)992-2583
Anthem BCBS of Wisconsin	E3M BCBS Prefix	Anthem BCBS of Wisconsin Phone Number list based on the alpha prefix
Premera Bluecross of Alaska	E3N BCBS Prefix	(800)722-4714
Alpha Numeric Prefix Not assigned or Unallocated	E3O BCBS Prefix	N/A
Anthem BCBS of Wisconsin	E3P BCBS Prefix	Anthem BCBS of Wisconsin Phone Number list based on the alpha prefix
Anthem Bluecross of California	E3Q BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Anthem BCBS of Ohio	E3R BCBS Prefix	Ohio-OH Phone Number & Claims address
BCBS of Illinois	E3S BCBS Prefix	(800)972-8088 BCBS of Illinois complete contact list
Anthem Bluecross of California	E3T BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Empire BCBS of New York	E3U BCBS Prefix	(800)992-2583
BCBS of Illinois	E3V BCBS Prefix	(800)972-8088 BCBS of Illinois complete contact list
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E3W BCBS Prefix	Complete list of phone number
Anthem BCBS of Wisconsin	E3X BCBS Prefix	Anthem BCBS of Wisconsin Phone Number list based on the alpha prefix
Anthem BCBS of Georgia	E3Y BCBS Prefix	(800)676-2583
Anthem BCBS of Wisconsin	E3Z BCBS Prefix	Anthem BCBS of Wisconsin Phone Number list based on the alpha prefix
BCBS of Massachusetts	E4A BCBS Prefix	(800)443-6657 (800)676-2583(Bluecard)
BCBS of Massachusetts	E4B BCBS Prefix	(800)443-6657 (800)676-2583(Bluecard)
BCBS of Massachusetts	E4C BCBS Prefix	(800)443-6657 (800)676-2583(Bluecard)
BCBS of Massachusetts	E4D BCBS Prefix	(800)443-6657 (800)676-2583(Bluecard)
BCBS of Massachusetts	E4E BCBS Prefix	(800)443-6657 (800)676-2583(Bluecard)
Anthem Bluecross of California	E4F BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E4G BCBS Prefix	Complete list of phone number
Anthem Bluecross of California	E4H BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Alpha Numeric Prefix Not assigned or Unallocated	E4I BCBS Prefix	N/A
BCBS of Illinois	E4J BCBS Prefix	(800)972-8088 BCBS of Illinois complete contact list
Anthem BCBS of Georgia	E4K BCBS Prefix	(800)676-2583
Anthem BCBS of Indiana	E4L BCBS Prefix	Indiana-IN Phone number & Claims address
Anthem BCBS of Georgia	E4M BCBS Prefix	(800)676-2583
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E4N BCBS Prefix	Complete list of phone number
Alpha Numeric Prefix Not assigned or Unallocated	E4O BCBS Prefix	N/A
Empire BCBS of New York	E4P BCBS Prefix	(800)992-2583
BCBS of Massachusetts	E4Q BCBS Prefix	(800)443-6657 (800)676-2583(Bluecard)
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E4R BCBS Prefix	Complete list of phone number
Anthem BCBS of Ohio	E4S BCBS Prefix	Ohio-OH Phone Number & Claims address
Anthem BCBS of Colorado	E4T BCBS Prefix	(800)-282-4548 Complete Contact list of Anthem BCBS of Colorado
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E4U BCBS Prefix	Complete list of phone number
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E4V BCBS Prefix	Complete list of phone number
Empire BCBS of New York	E4W BCBS Prefix	(800)992-2583
Anthem BCBS of Wisconsin	E4X BCBS Prefix	Anthem BCBS of Wisconsin Phone Number list based on the alpha prefix
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E4Y BCBS Prefix	Complete list of phone number
BCBS of Tennessee	E4Z BCBS Prefix	(800)924-7141
BCBS of Texas	E5A BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
Anthem Bluecross of California	E5B BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
BCBS of Rhode Island	E5C BCBS Prefix	(800)230-9050
Premera BCBS of Alaska	E5D BCBS Prefix	(800)722-4714
Anthem BCBS of Nevada	E5E BCBS Prefix	Nevada-NV Phone Number & Claims address
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E5F BCBS Prefix	Complete list of phone number
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E5G BCBS Prefix	Complete list of phone number
Premera BCBS of Alaska	E5H BCBS Prefix	(800)722-4714
Alpha Numeric Prefix Not assigned or Unallocated	E5I BCBS Prefix	N/A
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E5J BCBS Prefix	Complete list of phone number
BCBS of Texas	E5K BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
BCBS of Texas	E5L BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
Highmark Blueshield of Pennsylvania	E5M BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
BCBS of Texas	E5N BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
Alpha Numeric Prefix Not assigned or Unallocated	E5O BCBS Prefix	N/A
Anthem BCBS of Missouri	E5P BCBS Prefix	Missouri Contact List and Claims address
Anthem BCBS of Nevada	E5Q BCBS Prefix	Nevada-NV Phone Number & Claims address
Anthem BCBS of Missouri	E5R BCBS Prefix	Missouri Contact List and Claims address
BCBS of Texas	E5S BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
BCBS of Alabama	E5T BCBS Prefix	(205)220-6899
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E5U BCBS Prefix	Complete list of phone number
BCBS of Texas	E5V BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E5W BCBS Prefix	Complete list of phone number
Premera Bluecross of Alaska	E5X BCBS Prefix	(800)722-4714
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E5Y BCBS Prefix	Complete list of phone number
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E5Z BCBS Prefix	Complete list of phone number
Anthem BCBS of Ohio	E6A BCBS Prefix	Ohio-OH Phone Number & Claims address
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E6B BCBS Prefix	Complete list of phone number
Anthem BCBS of Indiana	E6C BCBS Prefix	Indiana-IN Phone number & Claims address
Empire BCBS of New York	E6D BCBS Prefix	(800)992-2583
Highmark BCBS of Pennsylvania	E6E BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
BCBS of Illinois	E6F BCBS Prefix	(800)972-8088 BCBS of Illinois complete contact list
Highmark BCBS of Pennsylvania	E6G BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
Anthem BCBS of New Hampshire	E6H BCBS Prefix	New Hampshire-NH Phone Number & Claims address
Alpha Numeric Prefix Not assigned or Unallocated	E6I BCBS Prefix	N/A
Highmark BCBS of Pennsylvania	E6J BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
Highmark BCBS of Pennsylvania	E6K BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
Anthem BCBS of Nevada	E6L BCBS Prefix	Nevada-NV Phone Number & Claims address
Anthem BCBS of Ohio	E6M BCBS Prefix	Ohio-OH Phone Number & Claims address
BCBS of Texas	E6N BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
Highmark BCBS of Pennsylvania	E6O BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
Anthem BCBS of Missouri	E6P BCBS Prefix	Missouri Contact List and Claims address
Anthem BCBS of Nevada	E6Q BCBS Prefix	Nevada-NV Phone Number & Claims address
Anthem BCBS of Ohio	E6R BCBS Prefix	Ohio-OH Phone Number & Claims address
Highmark Blueshield of Pennsylvania	E6S BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
Anthem BCBS of Wisconsin	E6T BCBS Prefix	Anthem BCBS of Wisconsin Phone Number list based on the alpha prefix
Highmark BCBS of Pennsylvania	E6U BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
Empire BCBS of New York	E6V BCBS Prefix	(800)992-2583
Anthem BCBS of Nevada	E6W BCBS Prefix	Nevada-NV Phone Number & Claims address
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E6X BCBS Prefix	Complete list of phone number
Highmark BCBS of Pennsylvania	E6Y BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
Alpha Numeric Prefix Not assigned or Unallocated	E6Z BCBS Prefix	N/A
Anthem BCBS of Georgia	E7A BCBS Prefix	(800)676-2583
Anthem BCBS of Indiana	E7B BCBS Prefix	Indiana-IN Phone number & Claims address
Anthem BCBS of Kentucky	E7C BCBS Prefix	Kentucky-KY Phone Number & Claims address
Anthem BCBS of Missouri	E7D BCBS Prefix	Missouri Contact List and Claims address
Anthem BCBS of Indiana	E7E BCBS Prefix	Indiana-IN Phone number & Claims address
Anthem BCBS of Indiana	E7F BCBS Prefix	Indiana-IN Phone number & Claims address
Highmark BCBS of Pennsylvania	E7G BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
Anthem BCBS of Ohio	E7H BCBS Prefix	Ohio-OH Phone Number & Claims address
Alpha Numeric Prefix Not assigned or Unallocated	E7I BCBS Prefix	N/A
Highmark BCBS of Pennsylvania	E7J BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
Highmark BCBS of Pennsylvania	E7K BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
Highmark BCBS of Pennsylvania	E7L BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
Anthem Bluecross of California	E7M BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
BCBS of Texas	E7N BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
Alpha Numeric Prefix Not assigned or Unallocated	E7O BCBS Prefix	N/A
Highmark BCBS of Pennsylvania	E7P BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
BCBS of Massachusetts	E7Q BCBS Prefix	(800)443-6657 (800)676-2583(Bluecard)
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E7R BCBS Prefix	Complete list of phone number
Anthem Bluecross of California	E7S BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E7T BCBS Prefix	Complete list of phone number
BCBS of Illinois	E7U BCBS Prefix	(800)972-8088 BCBS of Illinois complete contact list
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E7V BCBS Prefix	Complete list of phone number
Anthem BCBS of Wisconsin	E7W BCBS Prefix	Anthem BCBS of Wisconsin Phone Number list based on the alpha prefix
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E7X BCBS Prefix	Complete list of phone number
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E7Y BCBS Prefix	Complete list of phone number
BCBS of Massachusetts	E7Z BCBS Prefix	(800)443-6657 (800)676-2583(Bluecard)
Independence Bluecross of Pennyslvania	E8A BCBS Prefix	Complete list please check here
Anthem Bluecross of California	E8B BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
BCBS of Texas	E8C BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
BCBS of Illinois	E8D BCBS Prefix	(800)972-8088 BCBS of Illinois complete contact list
BCBS of Texas	E8E BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
Empire BCBS of New York	E8F BCBS Prefix	(800)992-2583
Premera BCBS of Alaska	E8G BCBS Prefix	(800)722-4714
Anthem BCBS of Missouri	E8H BCBS Prefix	Missouri Contact List and Claims address
Alpha Numeric Prefix Not assigned or Unallocated	E8I BCBS Prefix	N/A
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E8J BCBS Prefix	Complete list of phone number
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E8K BCBS Prefix	Complete list of phone number
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E8L BCBS Prefix	Complete list of phone number
BCBS of Illinois	E8M BCBS Prefix	(800)972-8088 BCBS of Illinois complete contact list
BCBS of Texas	E8N BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
Alpha Numeric Prefix Not assigned or Unallocated	E8O BCBS Prefix	N/A
Alpha Numeric Prefix Not assigned or Unallocated	E8P BCBS Prefix	N/A
Regence BCBS(Oregon/Idaho/Utah/Washington)	E8Q BCBS Prefix	(800)253-0838
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E8R BCBS Prefix	Complete list of phone number
Anthem Bluecross of California	E8S BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Anthem Bluecross of California	E8T BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E8U BCBS Prefix	Complete list of phone number
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E8V BCBS Prefix	Complete list of phone number
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E8W BCBS Prefix	Complete list of phone number
Anthem Bluecross of California	E8X BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E8Y BCBS Prefix	Complete list of phone number
Anthem BCBS of Nevada	E8Z BCBS Prefix	Nevada-NV Phone Number & Claims address
Anthem BCBS of Wisconsin	E9A BCBS Prefix	Anthem BCBS of Wisconsin Phone Number list based on the alpha prefix
Anthem BCBS of Wisconsin	E9B BCBS Prefix	Anthem BCBS of Wisconsin Phone Number list based on the alpha prefix
BCBS of Texas	E9C BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
Anthem BCBS of Missouri	E9D BCBS Prefix	Missouri Contact List and Claims address
BCBS of Texas	E9E BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E9F BCBS Prefix	Complete list of phone number
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E9G BCBS Prefix	Complete list of phone number
BCBS of Texas	E9H BCBS Prefix	(800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage)
Alpha Numeric Prefix Not assigned or Unallocated	E9I BCBS Prefix	N/A
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E9J BCBS Prefix	Complete list of phone number
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E9K BCBS Prefix	Complete list of phone number
Highmark BCBS of Pennsylvania	E9L BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
Anthem BCBS of Virginia	E9M BCBS Prefix	(833)592-9956
BCBS of Illinois	E9N BCBS Prefix	(800)972-8088 BCBS of Illinois complete contact list
Alpha Numeric Prefix Not assigned or Unallocated	E9O BCBS Prefix	N/A
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E9P BCBS Prefix	Complete list of phone number
Alpha Numeric Prefix Not assigned or Unallocated	E9Q BCBS Prefix	N/A
Highmark BCBS of Pennsylvania	E9R BCBS Prefix	Complete list of Highmark BCBS of Pennsylvania Contact list
Anthem BCBS of Missouri	E9S BCBS Prefix	Missouri Contact List and Claims address
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E9T BCBS Prefix	Complete list of phone number
Alpha Numeric Prefix Not assigned or Unallocated	E9U BCBS Prefix	N/A
Anthem BCBS of Ohio	E9V BCBS Prefix	Ohio-OH Phone Number & Claims address
Premera BCBS of Alaska	E9W BCBS Prefix	(800)722-4714
Anthem Bluecross of California	E9X BCBS Prefix	(800)-677-6669 Complete Phone Number list of Anthem Bluecross of California
BCBS of Massachusetts	E9Y BCBS Prefix	(800)443-6657 (800)676-2583(Bluecard)
Carefirst BCBS(Maryland/District of Columbia/Northern Virginia)	E9Z BCBS Prefix	Complete list of phone number