BCBS Prefix – C2A to C9Z
| BCBS Company List | BCBS Alpha Numeric Prefix List 2024 – C2A to C9Z | Provider Phone Number |
|---|---|---|
| BCBS of Texas | C2A BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| Highmark BCBS of Delaware | C2B BCBS Prefix | (800)346-6262 |
| Blueshield of Northeastern New York | C2C BCBS Prefix | (800)444-4552 (800)429-9886(Blue Card) |
| Anthem BCBS of Wisconsin | C2D BCBS Prefix | Anthem BCBS of Wisconsin Phone Number list based on the alpha prefix |
| Premera Bluecross of Alaska | C2E BCBS Prefix | (800)722-4714 |
| Highmark BCBS of Pennsylvania | C2F BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| BCBS of Minnesota | C2G BCBS Prefix | (800)262-0820 |
| BCBS of Alabama | C2H BCBS Prefix | (205)220-6899 |
| Highmark Blueshield of Pennsylvania | C2I BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| Anthem Bluecross of California | C2J BCBS Prefix | (800)-677-6669 Complete Phone Number list of Anthem Bluecross of California |
| BCBS of Minnesota | C2K BCBS Prefix | (800)262-0820 |
| Highmark BCBS of Pennsylvania | C2L BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| Anthem Bluecross of California | C2M BCBS Prefix | (800)-677-6669 Complete Phone Number list of Anthem Bluecross of California |
| Highmark BCBS of Pennsylvania | C2N BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | C2O BCBS Prefix | Complete list please check here |
| BCBS of Illinois | C2P BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | C2Q BCBS Prefix | Complete list please check here |
| BCBS of Illinois | C2R BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| BCBS of Illinois | C2S BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| BCBS of Alabama | C2T BCBS Prefix | (205)220-6899 |
| Highmark BCBS of Pennsylvania | C2U BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| Premera Bluecross of Alaska | C2V BCBS Prefix | (800)722-4714 |
| Regence BCBS(Oregon/Idaho/Utah/Washington) | C2W BCBS Prefix | (800)253-0838 |
| Carefirst BCBS(Maryland/District of Columbia/Northern Virginia) | C2X BCBS Prefix | Complete list of phone number |
| BCBS of Minnesota | C2Y BCBS Prefix | (800)262-0820 |
| Anthem Bluecross of California | C2Z BCBS Prefix | (800)-677-6669 Complete Phone Number list of Anthem Bluecross of California |
| Regence BCBS(Oregon/Idaho/Utah/Washington) | C3A BCBS Prefix | (800)253-0838 |
| Anthem BCBS of Wisconsin | C3B BCBS Prefix | Anthem BCBS of Wisconsin Phone Number list based on the alpha prefix |
| Regence BCBS(Oregon/Idaho/Utah/Washington) | C3C BCBS Prefix | (800)253-0838 |
| Premera Bluecross of Alaska | C3D BCBS Prefix | (800)722-4714 |
| BCBS of Texas | C3E BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| Highmark BCBS of Delaware | C3F BCBS Prefix | (800)346-6262 |
| Anthem Bluecross of California | C3G BCBS Prefix | (800)-677-6669 Complete Phone Number list of Anthem Bluecross of California |
| BCBS of Alabama | C3H BCBS Prefix | (205)220-6899 |
| Anthem Bluecross of California | C3I BCBS Prefix | (800)-677-6669 Complete Phone Number list of Anthem Bluecross of California |
| Anthem BCBS of Indiana | C3J BCBS Prefix | Indiana-IN Phone number & Claims address |
| Highmark BCBS of Pennsylvania | C3K BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| Highmark BCBS of Pennsylvania | C3L BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| Highmark BCBS of Pennsylvania | C3M BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| BCBS of Texas | C3N BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| Anthem BCBS of Virginia | C3O BCBS Prefix | (833)592-9956 |
| Premera Bluecross of Alaska | C3P BCBS Prefix | (800)722-4714 |
| BCBS of Michigan | C3Q BCBS Prefix | (800)344-8525 |
| Highmark BCBS of Pennsylvania | C3R BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| Anthem BCBS of Virginia | C3S BCBS Prefix | (833)592-9956 |
| Regence BCBS(Oregon/Idaho/Utah/Washington) | C3T BCBS Prefix | (800)253-0838 |
| Anthem BCBS of Wisconsin | C3U BCBS Prefix | Anthem BCBS of Wisconsin Phone Number list based on the alpha prefix |
| BCBS of Illinois | C3V BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Regence BCBS(Oregon/Idaho/Utah/Washington) | C3W BCBS Prefix | (800)253-0838 |
| Anthem BCBS of Wisconsin | C3X BCBS Prefix | Anthem BCBS of Wisconsin Phone Number list based on the alpha prefix |
| Empire BCBS of New York | C3Y BCBS Prefix | (800)992-2583 |
| Empire BCBS of New York | C3Z BCBS Prefix | (800)992-2583 |
| Premera BCBS of Alaska | C4A BCBS Prefix | (800)722-4714 |
| Anthem BCBS of Virginia | C4B BCBS Prefix | (833)592-9956 |
| BCBS of Texas | C4C BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| Empire BCBS of New York | C4D BCBS Prefix | (800)992-2583 |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | C4E BCBS Prefix | Complete list please check here |
| Anthem BCBS of Virginia | C4F BCBS Prefix | (833)592-9956 |
| Anthem BCBS of New Hampshire | C4G BCBS Prefix | New Hampshire-NH Phone Number & Claims address |
| Regence BCBS(Oregon/Idaho/Utah/Washington) | C4H BCBS Prefix | (800)253-0838 |
| Highmark BCBS of Western New York | C4I BCBS Prefix | (800)950-0051 (Highmark) (877)327-1395 (GP-Government-Programs) (800)234-5082 (Federal Employee Program) |
| Horizon BCBS of New Jersey | C4J BCBS Prefix | (800)624-1110 Complete list of NewJersey-NJ Contact details |
| Highmark BCBS of Pennsylvania | C4K BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| BCBS of Texas | C4L BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| Empire BCBS of New York | C4M BCBS Prefix | (800)992-2583 |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | C4N BCBS Prefix | Complete list please check here |
| Alpha Numeric Prefix Not assigned or Unallocated | C4O BCBS Prefix | N/A |
| BCBS of Texas | C4P BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | C4Q BCBS Prefix | Complete list please check here |
| Premera BCBS of Alaska | C4R BCBS Prefix | (800)722-4714 |
| Carefirst BCBS(Maryland/District of Columbia/Northern Virginia) | C4S BCBS Prefix | Complete list of phone number |
| Anthem BCBS of Ohio | C4T BCBS Prefix | Ohio-OH Phone Number & Claims address |
| BCBS of Oklahoma | C4U BCBS Prefix | (800)496-5774 (800)722-3130 (Federal Employee Program) |
| Anthem BCBS of Georgia | C4V BCBS Prefix | (800)676-2583 |
| BCBS of Western New York | C4W BCBS Prefix | (800)950-0051 (Highmark) (877)327-1395 (GP-Government-Programs) (800)234-5082 (Federal Employee Program) |
| BCBS of Texas | C4X BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| BCBS of Texas | C4Y BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| BCBS of Tennessee | C4Z BCBS Prefix | (800)924-7141 |
| Anthem Bluecross of California | C5A BCBS Prefix | (800)-677-6669 Complete Phone Number list of Anthem Bluecross of California |
| BCBS of Illinois | C5B BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Arkansas BCBS | C5C BCBS Prefix | (800)-238-8379 Complete Contact details list of Arkansas BCBS |
| BCBS of Illinois | C5D BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Highmark BCBS of Pennsylvania | C5E BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| BCBS of Texas | C5F BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| Anthem BCBS of Indiana | C5G BCBS Prefix | Indiana-IN Phone number & Claims address |
| Anthem BCBS of Indiana | C5H BCBS Prefix | Indiana-IN Phone number & Claims address |
| Alpha Numeric Prefix Not assigned or Unallocated | C5I BCBS Prefix | N/A |
| Anthem BCBS of Indiana | C5J BCBS Prefix | Indiana-IN Phone number & Claims address |
| Blueshield of Northeastern New York | C5K BCBS Prefix | (800)444-4552 (800)429-9886(Blue Card) |
| BCBS of Illinois | C5L BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Anthem BCBS of Georgia | C5M BCBS Prefix | (800)676-2583 |
| BCBS of Illinois | C5N BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Alpha Numeric Prefix Not assigned or Unallocated | C5O BCBS Prefix | N/A |
| Carefirst BCBS(Maryland/District of Columbia/Northern Virginia) | C5P BCBS Prefix | Complete list of phone number |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | C5Q BCBS Prefix | Complete list please check here |
| Anthem BCBS of Connecticut | C5R BCBS Prefix | Connecticut-CT Phone Number along with timings |
| Anthem BCBS of Colorado | C5S BCBS Prefix | (800)-282-4548 Complete Contact list of Anthem BCBS of Colorado |
| Anthem BCBS of Missouri | C5T BCBS Prefix | Missouri Contact List and Claims address |
| Anthem BCBS of Colorado | C5U BCBS Prefix | (800)-282-4548 Complete Contact list of Anthem BCBS of Colorado |
| BCBS of Texas | C5V BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| Anthem BCBS of Georgia | C5W BCBS Prefix | (800)676-2583 |
| Anthem BCBS of Colorado | C5X BCBS Prefix | (800)-282-4548 Complete Contact list of Anthem BCBS of Colorado |
| BCBS of Oklahoma | C5Y BCBS Prefix | (800)496-5774 (800)722-3130 (Federal Employee Program) |
| BCBS of Western New York | C5Z BCBS Prefix | (800)950-0051 (Highmark) (877)327-1395 (GP-Government-Programs) (800)234-5082 (Federal Employee Program) |
| Anthem Bluecross of California | C6A BCBS Prefix | (800)-677-6669 Complete Phone Number list of Anthem Bluecross of California |
| Anthem BCBS of New Hampshire | C6B BCBS Prefix | New Hampshire-NH Phone Number & Claims address |
| Anthem BCBS of Virginia | C6C BCBS Prefix | (833)592-9956 |
| Anthem BCBS of New Hampshire | C6D BCBS Prefix | New Hampshire-NH Phone Number & Claims address |
| Anthem BCBS of New Hampshire | C6E BCBS Prefix | New Hampshire-NH Phone Number & Claims address |
| BCBS of Illinois | C6F BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Anthem BCBS of New Hampshire | C6G BCBS Prefix | New Hampshire-NH Phone Number & Claims address |
| Anthem BCBS of Virginia | C6H BCBS Prefix | (833)592-9956 |
| Alpha Numeric Prefix Not assigned or Unallocated | C6I BCBS Prefix | N/A |
| BCBS of Illinois | C6J BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Anthem BCBS of Indiana | C6K BCBS Prefix | Indiana-IN Phone number & Claims address |
| Horizon BCBS of New Jersey | C6L BCBS Prefix | (800)624-1110 Complete list of NewJersey-NJ Contact details |
| BCBS of Michigan | C6M BCBS Prefix | (800)344-8525 |
| BCBS of Illinois | C6N BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Alpha Numeric Prefix Not assigned or Unallocated | C6O BCBS Prefix | N/A |
| Regence BCBS(Oregon/Idaho/Utah/Washington) | C6P BCBS Prefix | (800)253-0838 |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | C6Q BCBS Prefix | Complete list please check here |
| Empire BCBS of New York | C6R BCBS Prefix | (800)992-2583 |
| Anthem BCBS of Virginia | C6S BCBS Prefix | (833)592-9956 |
| Regence BCBS(Oregon/Idaho/Utah/Washington) | C6T BCBS Prefix | (800)253-0838 |
| BCBS of Illinois | C6U BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Regence BCBS(Oregon/Idaho/Utah/Washington) | C6V BCBS Prefix | (800)253-0838 |
| Anthem BCBS of Georgia | C6W BCBS Prefix | (800)676-2583 |
| Anthem BCBS of Connecticut | C6X BCBS Prefix | Connecticut-CT Phone Number along with timings |
| Anthem BCBS of Virginia | C6Y BCBS Prefix | (833)592-9956 |
| Anthem BCBS of Indiana | C6Z BCBS Prefix | Indiana-IN Phone number & Claims address |
| Anthem Bluecross of California | C7A BCBS Prefix | (800)-677-6669 Complete Phone Number list of Anthem Bluecross of California |
| BCBS of Illinois | C7B BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| BCBS of Minnesota | C7C BCBS Prefix | (800)262-0820 |
| BCBS of Illinois | C7D BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Anthem BCBS of Colorado | C7E BCBS Prefix | (800)-282-4548 Complete Contact list of Anthem BCBS of Colorado |
| BCBS of Illinois | C7F BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Anthem Bluecross of California | C7G BCBS Prefix | (800)-677-6669 Complete Phone Number list of Anthem Bluecross of California |
| BCBS of Illinois | C7H BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Alpha Numeric Prefix Not assigned or Unallocated | C7I BCBS Prefix | N/A |
| Anthem Bluecross of California | C7J BCBS Prefix | (800)-677-6669 Complete Phone Number list of Anthem Bluecross of California |
| Anthem BCBS of Colorado | C7K BCBS Prefix | (800)-282-4548 Complete Contact list of Anthem BCBS of Colorado |
| BCBS of Illinois | C7L BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Anthem BCBS of Wisconsin | C7M BCBS Prefix | Anthem BCBS of Wisconsin Phone Number list based on the alpha prefix |
| Anthem BCBS of Wisconsin | C7N BCBS Prefix | Anthem BCBS of Wisconsin Phone Number list based on the alpha prefix |
| Regence BCBS(Oregon/Idaho/Utah/Washington) | C7O BCBS Prefix | (800)253-0838 |
| Carefirst BCBS(Maryland/District of Columbia/Northern Virginia) | C7P BCBS Prefix | Complete list of phone number |
| Anthem BCBS of Georgia | C7Q BCBS Prefix | (800)676-2583 |
| BCBS of Texas | C7R BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| BCBS of Minnesota | C7S BCBS Prefix | (800)262-0820 |
| Anthem BCBS of Ohio | C7T BCBS Prefix | Ohio-OH Phone Number & Claims address |
| BCBS of Illinois | C7U BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| BCBS of Texas | C7V BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| Anthem BCBS of Colorado | C7W BCBS Prefix | (800)-282-4548 Complete Contact list of Anthem BCBS of Colorado |
| Anthem BCBS of Colorado | C7X BCBS Prefix | (800)-282-4548 Complete Contact list of Anthem BCBS of Colorado |
| Regence BCBS(Oregon/Idaho/Utah/Washington) | C7Y BCBS Prefix | (800)253-0838 |
| Carefirst BCBS(Maryland/District of Columbia/Northern Virginia) | C7Z BCBS Prefix | Complete list of phone number |
| Anthem Bluecross of California | C8A BCBS Prefix | (800)-677-6669 Complete Phone Number list of Anthem Bluecross of California |
| BCBS of Illinois | C8B BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Anthem BCBS of Missouri | C8C BCBS Prefix | Missouri Contact List and Claims address |
| Anthem BCBS of Missouri | C8D BCBS Prefix | Missouri Contact List and Claims address |
| Anthem BCBS of Nevada | C8E BCBS Prefix | Nevada-NV Phone Number & Claims address |
| BCBS of Massachusetts | C8F BCBS Prefix | (800)443-6657 (800)676-2583(Bluecard) |
| Regence BCBS(Oregon/Idaho/Utah/Washington) | C8G BCBS Prefix | (800)253-0838 |
| BCBS of Illinois | C8H BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Alpha Numeric Prefix Not assigned or Unallocated | C8I BCBS Prefix | N/A |
| Horizon BCBS of New Jersey | C8J BCBS Prefix | (800)624-1110 Complete list of NewJersey-NJ Contact details |
| Anthem BCBS of Nevada | C8K BCBS Prefix | Nevada-NV Phone Number & Claims address |
| Carefirst BCBS(Maryland/District of Columbia/Northern Virginia) | C8L BCBS Prefix | Complete list of phone number |
| BCBS of Illinois | C8M BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| BCBS of Illinois | C8N BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Alpha Numeric Prefix Not assigned or Unallocated | C8O BCBS Prefix | N/A |
| BCBS of Texas | C8P BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| Anthem Bluecross of California | C8Q BCBS Prefix | (800)-677-6669 Complete Phone Number list of Anthem Bluecross of California |
| BCBS of Texas | C8R BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| BCBS of Minnesota | C8S BCBS Prefix | (800)262-0820 |
| Anthem BCBS of Nevada | C8T BCBS Prefix | Nevada-NV Phone Number & Claims address |
| Anthem BCBS of Connecticut | C8U BCBS Prefix | Connecticut-CT Phone Number along with timings |
| Anthem Bluecross of California | C8V BCBS Prefix | (800)-677-6669 Complete Phone Number list of Anthem Bluecross of California |
| BCBS of Massachusetts | C8W BCBS Prefix | (800)443-6657 (800)676-2583(Bluecard) |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | C8X BCBS Prefix | Complete list please check here |
| Carefirst BCBS(Maryland/District of Columbia/Northern Virginia) | C8Y BCBS Prefix | Complete list of phone number |
| Anthem BCBS of Connecticut | C8Z BCBS Prefix | Connecticut-CT Phone Number along with timings |
| BCBS of Western New York | C9A BCBS Prefix | (800)950-0051 (Highmark) (877)327-1395 (GP-Government-Programs) (800)234-5082 (Federal Employee Program) |
| Anthem BCBS of Connecticut | C9B BCBS Prefix | Connecticut-CT Phone Number along with timings |
| Anthem BCBS of Connecticut | C9C BCBS Prefix | Connecticut-CT Phone Number along with timings |
| Regence BCBS(Oregon/Idaho/Utah/Washington) | C9D BCBS Prefix | (800)253-0838 |
| Anthem Bluecross of California | C9E BCBS Prefix | (800)-677-6669 Complete Phone Number list of Anthem Bluecross of California |
| Anthem BCBS of Nevada | C9F BCBS Prefix | Nevada-NV Phone Number & Claims address |
| Carefirst BCBS(Maryland/District of Columbia/Northern Virginia) | C9G BCBS Prefix | Complete list of phone number |
| BCBS of Illinois | C9H BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Highmark BCBS of Delaware | C9I BCBS Prefix | (800)346-6262 |
| Horizon BCBS of New Jersey | C9J BCBS Prefix | (800)624-1110 Complete list of NewJersey-NJ Contact details |
| Horizon BCBS of New Jersey | C9K BCBS Prefix | (800)624-1110 Complete list of NewJersey-NJ Contact details |
| Horizon BCBS of New Jersey | C9L BCBS Prefix | (800)624-1110 Complete list of NewJersey-NJ Contact details |
| Anthem BCBS of Connecticut | C9M BCBS Prefix | Connecticut-CT Phone Number along with timings |
| BCBS of Illinois | C9N BCBS Prefix | (800)972-8088 BCBS of Illinois complete contact list |
| Highmark BCBS of Delaware | C9O BCBS Prefix | (800)346-6262 |
| BCBS of Texas | C9P BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| Horizon BCBS of New Jersey | C9Q BCBS Prefix | (800)624-1110 Complete list of NewJersey-NJ Contact details |
| BCBS of Texas | C9R BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |
| Premera BCBS of Alaska | C9S BCBS Prefix | (800)722-4714 |
| Anthem BCBS of Connecticut | C9T BCBS Prefix | Connecticut-CT Phone Number along with timings |
| Horizon BCBS of New Jersey | C9U BCBS Prefix | (800)624-1110 Complete list of NewJersey-NJ Contact details |
| Horizon BCBS of New Jersey | C9V BCBS Prefix | (800)624-1110 Complete list of NewJersey-NJ Contact details |
| Carefirst BCBS(Maryland/District of Columbia/Northern Virginia) | C9W BCBS Prefix | Complete list of phone number |
| Anthem BCBS of Colorado | C9X BCBS Prefix | (800)-282-4548 Complete Contact list of Anthem BCBS of Colorado |
| Empire BCBS of New York | C9Y BCBS Prefix | (800)992-2583 |
| BCBS of Texas | C9Z BCBS Prefix | (800)451-0287 (877)774-8592 (Bluecross MA-MedicareAdvantage) |