BCBS Prefix – S2A to S9Z
| BCBS Company List | S2A to S9Z | Provider Phone Number |
|---|---|---|
| Bluecross-Blueshield of Western New York | S2A BCBS Prefix | (800)950-0051 (877)327-1395 (800)234-5082 |
| Bluecross-Blueshield of Illinois | S2B BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Illinois | S2C BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Texas | S2D BCBS Prefix | (800)451-0287 (877)774-8592 |
| Bluecross-Blueshield of Illinois | S2E BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Illinois | S2F BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Texas | S2G BCBS Prefix | (800)451-0287 (877)774-8592 |
| Bluecross-Blueshield of Alabama | S2H BCBS Prefix | (205)220 – 6899 |
| Anthem Bluecross-Blueshield of Wisconsin | S2I BCBS Prefix | Wisconsin Phone Number list |
| Bluecross-Blueshield of Illinois | S2J BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Texas | S2K BCBS Prefix | (800)451-0287 (877)774-8592 |
| Bluecross-Blueshield of Illinois | S2L BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Regence Bluecross-Blueshield(Oregon/Idaho/Utah/Washington) | S2M BCBS Prefix | (800)253-0838 |
| Bluecross-Blueshield of Illinois | S2N BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of North Carolina | S2O BCBS Prefix | (800)214-4844 (888)296-9790 |
| Bluecross-Blueshield of Illinois | S2P BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Massachusetts | S2Q BCBS Prefix | (800)443-6657 (800)676-2583 |
| Bluecross-Blueshield of Illinois | S2R BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | S2S BCBS Prefix | Complete list please check here |
| Bluecross-Blueshield of Illinois | S2T BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Anthem Bluecross of California | S2U BCBS Prefix | (800)-677-6669 Anthem Bluecross of California full list |
| Bluecross-Blueshield of Illinois | S2V BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Illinois | S2W BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Texas | S2X BCBS Prefix | (800)451-0287 (877)774-8592 |
| Bluecross-Blueshield of Illinois | S2Y BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Texas | S2Z BCBS Prefix | (800)451-0287 (877)774-8592 |
| Blueshield of Northeastern New York | S3A BCBS Prefix | (800)444-4552 (800)429-9886 |
| Premera Bluecross-Blueshield of Alaska | S3B BCBS Prefix | (800)722 – 4714 |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | S3C BCBS Prefix | Complete list please check here |
| Bluecross-Blueshield of Illinois | S3D BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Illinois | S3E BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Illinois | S3F BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Premera Bluecross of Alaska | S3G BCBS Prefix | (800)722 – 4714 |
| Bluecross-Blueshield of Texas | S3H BCBS Prefix | (800)451-0287 (877)774-8592 |
| Anthem Bluecross-Blueshield of Georgia | S3I BCBS Prefix | (800)676 – 2583 |
| Carefirst Bluecross-Blueshield(Maryland/District of Columbia/Northern Virginia) | S3J BCBS Prefix | Phone number full list |
| Bluecross-Blueshield of Texas | S3K BCBS Prefix | (800)451-0287 (877)774-8592 |
| Bluecross-Blueshield of Illinois | S3L BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Illinois | S3M BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Highmark Bluecross-Blueshield of Pennsylvania | S3N BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| Highmark Blueshield of Pennsylvania | S3O BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| Bluecross-Blueshield of Illinois | S3P BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Anthem Bluecross of California | S3Q BCBS Prefix | (800)-677-6669 Anthem Bluecross of California full list |
| Highmark Bluecross-Blueshield of Pennsylvania | S3R BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | S3S BCBS Prefix | Complete list please check here |
| Bluecross-Blueshield of Western New York | S3T BCBS Prefix | (800)950-0051 (877)327-1395 (800)234-5082 |
| Highmark Bluecross-Blueshield of Delaware | S3U BCBS Prefix | (800)346-6262 |
| Highmark Blueshield of Pennsylvania | S3V BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| Anthem Bluecross-Blueshield of Georgia | S3W BCBS Prefix | (800)676 – 2583 |
| Anthem Bluecross of California | S3X BCBS Prefix | (800)-677-6669 Anthem Bluecross of California full list |
| Bluecross-Blueshield of Massachusetts | S3Y BCBS Prefix | (800)443-6657 (800)676-2583 |
| Bluecross-Blueshield of Arizona | S3Z BCBS Prefix | (800)232-2345 (800)446-8331 |
| Premera Bluecross of Alaska | S4A BCBS Prefix | (800)722 – 4714 |
| Premera Bluecross-Blueshield of Alaska | S4B BCBS Prefix | (800)722 – 4714 |
| Premera Bluecross of Alaska | S4C BCBS Prefix | (800)722 – 4714 |
| Premera Bluecross-Blueshield of Alaska | S4D BCBS Prefix | (800)722 – 4714 |
| Premera Bluecross-Blueshield of Alaska | S4E BCBS Prefix | (800)722 – 4714 |
| Bluecross-Blueshield of Illinois | S4F BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Massachusetts | S4G BCBS Prefix | (800)443-6657 (800)676-2583 |
| Anthem Bluecross-Blueshield of Missouri | S4H BCBS Prefix | Missouri Contact List |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | S4I BCBS Prefix | Complete list please check here |
| Carefirst Bluecross-Blueshield(Maryland/District of Columbia/Northern Virginia) | S4J BCBS Prefix | Phone number full list |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | S4K BCBS Prefix | Complete list please check here |
| Bluecross-Blueshield of Illinois | S4L BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Illinois | S4M BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Illinois | S4N BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Not Allocated | S4O BCBS Prefix | N/A |
| Bluecross-Blueshield of Illinois | S4P BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Premera Bluecross-Blueshield of Alaska | S4Q BCBS Prefix | (800)722 – 4714 |
| Empire Bluecross-Blueshield of New York | S4R BCBS Prefix | (800)992 – 2583 |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | S4S BCBS Prefix | Complete list please check here |
| Carefirst Bluecross-Blueshield(Maryland/District of Columbia/Northern Virginia) | S4T BCBS Prefix | Phone number full list |
| Bluecross-Blueshield of Texas | S4U BCBS Prefix | (800)451-0287 (877)774-8592 |
| Premera Bluecross of Alaska | S4V BCBS Prefix | (800)722 – 4714 |
| Regence Bluecross-Blueshield(Oregon/Idaho/Utah/Washington) | S4W BCBS Prefix | (800)253-0838 |
| Bluecross-Blueshield of Texas | S4X BCBS Prefix | (800)451-0287 (877)774-8592 |
| Premera Bluecross-Blueshield of Alaska | S4Y BCBS Prefix | (800)722 – 4714 |
| Carefirst Bluecross-Blueshield(Maryland/District of Columbia/Northern Virginia) | S4Z BCBS Prefix | Phone number full list |
| Bluecross-Blueshield of Texas | S5A BCBS Prefix | (800)451-0287 (877)774-8592 |
| Anthem Bluecross-Blueshield of Colorado | S5B BCBS Prefix | (800)-282-4548 Colorado full list |
| Bluecross-Blueshield of Massachusetts | S5C BCBS Prefix | (800)443-6657 (800)676-2583 |
| Anthem Bluecross of California | S5D BCBS Prefix | (800)-677-6669 Anthem Bluecross of California full list |
| Bluecross-Blueshield of Texas | S5E BCBS Prefix | (800)451-0287 (877)774-8592 |
| Not Allocated | S5F BCBS Prefix | N/A |
| Anthem Bluecross-Blueshield of Indiana | S5G BCBS Prefix | Indiana Phone number full list |
| Anthem Bluecross-Blueshield of Missouri | S5H BCBS Prefix | Missouri Contact List |
| Not Allocated | S5I BCBS Prefix | N/A |
| Anthem Bluecross-Blueshield of Connecticut | S5J BCBS Prefix | Connecticut Phone Number List |
| Anthem Bluecross-Blueshield of Connecticut | S5K BCBS Prefix | Connecticut Phone Number List |
| Bluecross-Blueshield of Illinois | S5L BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Illinois | S5M BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Texas | S5N BCBS Prefix | (800)451-0287 (877)774-8592 |
| Not Allocated | S5O BCBS Prefix | N/A |
| Bluecross-Blueshield of Minnesota | S5P BCBS Prefix | (800)262 – 0820 |
| Premera Bluecross-Blueshield of Alaska | S5Q BCBS Prefix | (800)722 – 4714 |
| Anthem Bluecross-Blueshield of Georgia | S5R BCBS Prefix | (800)676 – 2583 |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | S5S BCBS Prefix | Complete list please check here |
| Bluecross-Blueshield of Illinois | S5T BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Texas | S5U BCBS Prefix | (800)451-0287 (877)774-8592 |
| Capital Bluecross of Pennsylvania | S5V BCBS Prefix | (800)874 – 8433 |
| Premera Bluecross-Blueshield of Alaska | S5W BCBS Prefix | (800)722 – 4714 |
| Anthem Bluecross-Blueshield of Connecticut | S5X BCBS Prefix | Connecticut Phone Number List |
| Anthem Bluecross-Blueshield of Connecticut | S5Y BCBS Prefix | Connecticut Phone Number List |
| Anthem Bluecross-Blueshield of Connecticut | S5Z BCBS Prefix | Connecticut Phone Number List |
| Bluecross-Blueshield of Texas | S6A BCBS Prefix | (800)451-0287 (877)774-8592 |
| Bluecross-Blueshield of Illinois | S6B BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Anthem Bluecross-Blueshield of Virginia | S6C BCBS Prefix | (833)592 – 9956 |
| Anthem Bluecross-Blueshield of Missouri | S6D BCBS Prefix | Missouri Contact List |
| Bluecross-Blueshield of Texas | S6E BCBS Prefix | (800)451-0287 (877)774-8592 |
| Premera Bluecross-Blueshield of Alaska | S6F BCBS Prefix | (800)722 – 4714 |
| Anthem Bluecross-Blueshield of Connecticut | S6G BCBS Prefix | Connecticut Phone Number List |
| Bluecross-Blueshield of Minnesota | S6H BCBS Prefix | (800)262 – 0820 |
| Not Allocated | S6I BCBS Prefix | N/A |
| Anthem Bluecross-Blueshield of Wisconsin | S6J BCBS Prefix | Wisconsin Phone Number list |
| Anthem Bluecross-Blueshield of Ohio | S6K BCBS Prefix | Ohio Phone Number list |
| Bluecross-Blueshield of Texas | S6L BCBS Prefix | (800)451-0287 (877)774-8592 |
| Anthem Bluecross-Blueshield of Kentucky | S6M BCBS Prefix | KY Phone Number full list |
| Bluecross-Blueshield of Texas | S6N BCBS Prefix | (800)451-0287 (877)774-8592 |
| Not Allocated | S6O BCBS Prefix | N/A |
| Regence Bluecross-Blueshield(Oregon/Idaho/Utah/Washington) | S6P BCBS Prefix | (800)253-0838 |
| Empire Bluecross-Blueshield of New York | S6Q BCBS Prefix | (800)992 – 2583 |
| Anthem Bluecross-Blueshield of Maine | S6R BCBS Prefix | Maine Phone number list |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | S6S BCBS Prefix | Complete list please check here |
| Carefirst Bluecross-Blueshield(Maryland/District of Columbia/Northern Virginia) | S6T BCBS Prefix | Phone number full list |
| Bluecross-Blueshield of Texas | S6U BCBS Prefix | (800)451-0287 (877)774-8592 |
| Anthem Bluecross of California | S6V BCBS Prefix | (800)-677-6669 Anthem Bluecross of California full list |
| Regence Bluecross-Blueshield(Oregon/Idaho/Utah/Washington) | S6W BCBS Prefix | (800)253-0838 |
| Anthem Bluecross of California | S6X BCBS Prefix | (800)-677-6669 Anthem Bluecross of California full list |
| Bluecross-Blueshield of Illinois | S6Y BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Anthem Bluecross-Blueshield of Missouri | S6Z BCBS Prefix | Missouri Contact List |
| Anthem Bluecross-Blueshield of Missouri | S7A BCBS Prefix | Missouri Contact List |
| Anthem Bluecross-Blueshield of Missouri | S7B BCBS Prefix | Missouri Contact List |
| Anthem Bluecross-Blueshield of Missouri | S7C BCBS Prefix | Missouri Contact List |
| Anthem Bluecross-Blueshield of Wisconsin | S7D BCBS Prefix | Wisconsin Phone Number list |
| Regence Bluecross-Blueshield(Oregon/Idaho/Utah/Washington) | S7E BCBS Prefix | (800)253-0838 |
| Anthem Bluecross of California | S7F BCBS Prefix | (800)-677-6669 Anthem Bluecross of California full list |
| Anthem Bluecross-Blueshield of Virginia | S7G BCBS Prefix | (833)592 – 9956 |
| Bluecross-Blueshield of Illinois | S7H BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Not Allocated | S7I BCBS Prefix | N/A |
| Horizon Bluecross-Blueshield of New Jersey | S7J BCBS Prefix | (800)624-1110 Complete list of NewJersey-NJ Contact details |
| Horizon Bluecross-Blueshield of New Jersey | S7K BCBS Prefix | (800)624-1110 Complete list of NewJersey-NJ Contact details |
| Regence Bluecross-Blueshield(Oregon/Idaho/Utah/Washington) | S7L BCBS Prefix | (800)253-0838 |
| Carefirst Bluecross-Blueshield(Maryland/District of Columbia/Northern Virginia) | S7M BCBS Prefix | Phone number full list |
| Not Allocated | S7N BCBS Prefix | N/A |
| Not Allocated | S7O BCBS Prefix | N/A |
| Bluecross-Blueshield of Illinois | S7P BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Anthem Bluecross-Blueshield of Missouri | S7Q BCBS Prefix | Missouri Contact List |
| Anthem Bluecross of California | S7R BCBS Prefix | (800)-677-6669 Anthem Bluecross of California full list |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | S7S BCBS Prefix | Complete list please check here |
| Bluecross-Blueshield of Illinois | S7T BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Texas | S7U BCBS Prefix | (800)451-0287 (877)774-8592 |
| Anthem Bluecross-Blueshield of Georgia | S7V BCBS Prefix | (800)676 – 2583 |
| Premera Bluecross-Blueshield of Alaska | S7W BCBS Prefix | (800)722 – 4714 |
| Bluecross-Blueshield of Illinois | S7X BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Premera Bluecross-Blueshield of Alaska | S7Y BCBS Prefix | (800)722 – 4714 |
| Anthem Bluecross of California | S7Z BCBS Prefix | (800)-677-6669 Anthem Bluecross of California full list |
| Anthem Bluecross-Blueshield of Ohio | S8A BCBS Prefix | Ohio Phone Number list |
| Bluecross-Blueshield of Texas | S8B BCBS Prefix | (800)451-0287 (877)774-8592 |
| Empire Bluecross-Blueshield of New York | S8C BCBS Prefix | (800)992 – 2583 |
| Anthem Bluecross-Blueshield of Indiana | S8D BCBS Prefix | Indiana Phone number full list |
| Premera Bluecross-Blueshield of Alaska | S8E BCBS Prefix | (800)722 – 4714 |
| Anthem Bluecross-Blueshield of Indiana | S8F BCBS Prefix | Indiana Phone number full list |
| Anthem Bluecross-Blueshield of Indiana | S8G BCBS Prefix | Indiana Phone number full list |
| Anthem Bluecross-Blueshield of Indiana | S8H BCBS Prefix | Indiana Phone number full list |
| Not Allocated | S8I BCBS Prefix | N/A |
| Anthem Bluecross-Blueshield of Indiana | S8J BCBS Prefix | Indiana Phone number full list |
| Premera Bluecross-Blueshield of Alaska | S8K BCBS Prefix | (800)722 – 4714 |
| Bluecross-Blueshield of Illinois | S8L BCBS Prefix | (800)972-8088 BCBS of Illinois complete full list |
| Bluecross-Blueshield of Texas | S8M BCBS Prefix | (800)451-0287 (877)774-8592 |
| Bluecross-Blueshield of Minnesota | S8N BCBS Prefix | (800)262 – 0820 |
| Not Allocated | S8O BCBS Prefix | N/A |
| Anthem Bluecross-Blueshield of Indiana | S8P BCBS Prefix | Indiana Phone number full list |
| Anthem Bluecross-Blueshield of Indiana | S8Q BCBS Prefix | Indiana Phone number full list |
| Bluecross-Blueshield of Texas | S8R BCBS Prefix | (800)451-0287 (877)774-8592 |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | S8S BCBS Prefix | Complete list please check here |
| Anthem Bluecross-Blueshield of Missouri | S8T BCBS Prefix | Missouri Contact List |
| Not Allocated | S8U BCBS Prefix | N/A |
| Anthem Bluecross-Blueshield of Indiana | S8V BCBS Prefix | Indiana Phone number full list |
| Anthem Bluecross-Blueshield of Indiana | S8W BCBS Prefix | Indiana Phone number full list |
| Anthem Bluecross-Blueshield of Indiana | S8X BCBS Prefix | Indiana Phone number full list |
| Highmark Bluecross-Blueshield of Pennsylvania | S8Y BCBS Prefix | Complete list of Highmark BCBS of Pennsylvania Contact list |
| Anthem Bluecross-Blueshield of Indiana | S8Z BCBS Prefix | Indiana Phone number full list |
| Anthem Bluecross-Blueshield of Missouri | S9A BCBS Prefix | Missouri Contact List |
| Premera Bluecross-Blueshield of Alaska | S9B BCBS Prefix | (800)722 – 4714 |
| Bluecross-Blueshield of Texas | S9C BCBS Prefix | (800)451-0287 (877)774-8592 |
| Anthem Bluecross-Blueshield of Indiana | S9D BCBS Prefix | Indiana Phone number full list |
| Carefirst Bluecross-Blueshield(Maryland/District of Columbia/Northern Virginia) | S9E BCBS Prefix | Phone number full list |
| Anthem Bluecross-Blueshield of Missouri | S9F BCBS Prefix | Missouri Contact List |
| Bluecross-Blueshield of Texas | S9G BCBS Prefix | (800)451-0287 (877)774-8592 |
| Regence Bluecross-Blueshield(Oregon/Idaho/Utah/Washington) | S9H BCBS Prefix | (800)253-0838 |
| Not Allocated | S9I BCBS Prefix | N/A |
| Anthem Bluecross-Blueshield of Missouri | S9J BCBS Prefix | Missouri Contact List |
| Regence Bluecross-Blueshield(Oregon/Idaho/Utah/Washington) | S9K BCBS Prefix | (800)253-0838 |
| Regence Bluecross-Blueshield(Oregon/Idaho/Utah/Washington) | S9L BCBS Prefix | (800)253-0838 |
| Bluecross-Blueshield of Michigan | S9M BCBS Prefix | (800)344 – 8525 |
| Bluecross-Blueshield of Texas | S9N BCBS Prefix | (800)451-0287 (877)774-8592 |
| Not Allocated | S9O BCBS Prefix | N/A |
| Anthem Bluecross of California | S9P BCBS Prefix | (800)-677-6669 Anthem Bluecross of California full list |
| Anthem Bluecross-Blueshield of Missouri | S9Q BCBS Prefix | Missouri Contact List |
| Anthem Bluecross-Blueshield of Ohio | S9R BCBS Prefix | Ohio Phone Number list |
| Independence Bluecross of Philadelphia and Southeastern Pennsylvania | S9S BCBS Prefix | Complete list please check here |
| Anthem Bluecross-Blueshield of Kentucky | S9T BCBS Prefix | KY Phone Number full list |
| Not Allocated | S9U BCBS Prefix | N/A |
| Anthem Bluecross-Blueshield of Missouri | S9V BCBS Prefix | Missouri Contact List |
| Anthem Bluecross-Blueshield of Missouri | S9W BCBS Prefix | Missouri Contact List |
| Anthem Bluecross-Blueshield of Missouri | S9X BCBS Prefix | Missouri Contact List |
| Not Allocated | S9Y BCBS Prefix | N/A |
| Anthem Bluecross-Blueshield of Connecticut | S9Z BCBS Prefix | Connecticut Phone Number List |