BCBS Prefix – U2A to U9Z
| Blucross-Blueshield Company List | BCBS Alpha Numeric Prefix List 2024 – U2A TO U9Z | Provider Phone Number |
|---|---|---|
| Blucross-Blueshield of Texas | U2A BCBS Prefix | (800)4510287 (877)7748592 |
| Empire Blucross-Blueshield of New York | U2B BCBS Prefix | (800)992 – 2583 |
| Empire Blucross-Blueshield of New York | U2C BCBS Prefix | (800)992 – 2583 |
| Empire Blucross-Blueshield of New York | U2D BCBS Prefix | (800)992 – 2583 |
| Empire Blucross-Blueshield of New York | U2E BCBS Prefix | (800)992 – 2583 |
| Blucross-Blueshield of Illinois | U2F BCBS Prefix | (800)972-8088 Illinois list |
| Arkansas Blucross-Blueshield | U2G BCBS Prefix | (800)238 8379 Arkansas BCBS list |
| Empire Blucross-Blueshield of New York | U2H BCBS Prefix | (800)992 – 2583 |
| Empire Blucross-Blueshield of New York | U2I BCBS Prefix | (800)992 – 2583 |
| Empire Blucross-Blueshield of New York | U2J BCBS Prefix | (800)992 – 2583 |
| Empire Blucross-Blueshield of New York | U2K BCBS Prefix | (800)992 – 2583 |
| Empire Blucross-Blueshield of New York | U2L BCBS Prefix | (800)992 – 2583 |
| Blucross-Blueshield of Oklahoma | U2M BCBS Prefix | (800)496-5774 (800)722-3130 |
| Anthem Blucross-Blueshield of Indiana | U2N BCBS Prefix | Indiana contact details along with Claims address |
| Bluecross-Blueshield Prefix not assigned | U2O BCBS Prefix | N/A |
| Regence Blucross-Blueshield(Oregon/Idaho/Utah/Washington) | U2P BCBS Prefix | (800)253 – 0838 |
| Empire Blucross-Blueshield of New York | U2Q BCBS Prefix | (800)992 – 2583 |
| Empire Blucross-Blueshield of New York | U2R BCBS Prefix | (800)992 – 2583 |
| Blucross-Blueshield of Texas | U2S BCBS Prefix | (800)4510287 (877)7748592 |
| Regence Blucross-Blueshield(Oregon/Idaho/Utah/Washington) | U2T BCBS Prefix | (800)253 – 0838 |
| Regence Blucross-Blueshield(Oregon/Idaho/Utah/Washington) | U2U BCBS Prefix | (800)253 – 0838 |
| Empire Blucross-Blueshield of New York | U2V BCBS Prefix | (800)992 – 2583 |
| Empire Blucross-Blueshield of New York | U2W BCBS Prefix | (800)992 – 2583 |
| Empire Blucross-Blueshield of New York | U2X BCBS Prefix | (800)992 – 2583 |
| Empire Blucross-Blueshield of New York | U2Y BCBS Prefix | (800)992 – 2583 |
| Blucross-Blueshield of Western New York | U2Z BCBS Prefix | (800)950-0051 (877)327-1395 (800)234-5082 |
| Anthem Bluecross of California | U3A BCBS Prefix | (800)6776669 Anthem california contact details |
| Anthem Bluecross of California | U3B BCBS Prefix | (800)6776669 Anthem california contact details |
| Anthem Bluecross of California | U3C BCBS Prefix | (800)6776669 Anthem california contact details |
| Highmark Blucross-Blueshield of Pennsylvania | U3D BCBS Prefix | Pennsylvania Phone list |
| Highmark Blucross-Blueshield of Pennsylvania | U3E BCBS Prefix | Pennsylvania Phone list |
| Highmark Blucross-Blueshield of Pennsylvania | U3F BCBS Prefix | Pennsylvania Phone list |
| Highmark Blucross-Blueshield of Pennsylvania | U3G BCBS Prefix | Pennsylvania Phone list |
| Empire Blucross-Blueshield of New York | U3H BCBS Prefix | (800)992 – 2583 |
| Bluecross-Blueshield Prefix not assigned | U3I BCBS Prefix | N/A |
| Anthem Blucross-Blueshield of Indiana | U3J BCBS Prefix | Indiana contact details along with Claims address |
| Bluecross-Blueshield Prefix not assigned | U3K BCBS Prefix | N/A |
| Anthem Blucross-Blueshield of Indiana | U3L BCBS Prefix | Indiana contact details along with Claims address |
| Anthem Blucross-Blueshield of Missouri | U3M BCBS Prefix | Missouri Phone number List and Claims address |
| Anthem Blucross-Blueshield of Indiana | U3N BCBS Prefix | Indiana contact details along with Claims address |
| Bluecross-Blueshield Prefix not assigned | U3O BCBS Prefix | N/A |
| Blucross-Blueshield of Massachusetts | U3P BCBS Prefix | (800)443-6657 (800)676-2583 |
| Anthem Blucross-Blueshield of Indiana | U3Q BCBS Prefix | Indiana contact details along with Claims address |
| Blucross-Blueshield of Texas | U3R BCBS Prefix | (800)4510287 (877)7748592 |
| Blucross-Blueshield of Illinois | U3S BCBS Prefix | (800)972-8088 Illinois list |
| Anthem Blucross-Blueshield of Indiana | U3T BCBS Prefix | Indiana contact details along with Claims address |
| Blucross-Blueshield of Illinois | U3U BCBS Prefix | (800)972-8088 Illinois list |
| Blucross-Blueshield of Illinois | U3V BCBS Prefix | (800)972-8088 Illinois list |
| Anthem Blucross-Blueshield of Indiana | U3W BCBS Prefix | Indiana contact details along with Claims address |
| Anthem Blucross-Blueshield of Indiana | U3X BCBS Prefix | Indiana contact details along with Claims address |
| Blucross-Blueshield of Illinois | U3Y BCBS Prefix | (800)972-8088 Illinois list |
| Anthem Bluecross of California | U3Z BCBS Prefix | (800)6776669 Anthem california contact details |
| Carefirst Blucross-Blueshield(Maryland/District of Columbia/Northern Virginia) | U4A BCBS Prefix | Phone number List |
| Regence Blucross-Blueshield(Oregon/Idaho/Utah/Washington) | U4B BCBS Prefix | (800)253 – 0838 |
| Empire Blucross-Blueshield of New York | U4C BCBS Prefix | (800)992 – 2583 |
| Anthem Blucross-Blueshield of Wisconsin | U4D BCBS Prefix | Wisconsin contact details |
| Regence Blucross-Blueshield(Oregon/Idaho/Utah/Washington) | U4E BCBS Prefix | (800)253 – 0838 |
| Blucross-Blueshield of Illinois | U4F BCBS Prefix | (800)972-8088 Illinois list |
| Blucross-Blueshield of Massachusetts | U4G BCBS Prefix | (800)443-6657 (800)676-2583 |
| Anthem Blucross-Blueshield of Georgia | U4H BCBS Prefix | (800)676-2583 |
| Bluecross-Blueshield Prefix not assigned | U4I BCBS Prefix | N/A |
| Anthem Blucross-Blueshield of Georgia | U4J BCBS Prefix | (800)676-2583 |
| Anthem Bluecross of California | U4K BCBS Prefix | (800)6776669 Anthem california contact details |
| Anthem Bluecross of California | U4L BCBS Prefix | (800)6776669 Anthem california contact details |
| Blucross-Blueshield of Illinois | U4M BCBS Prefix | (800)972-8088 Illinois list |
| Anthem Blucross-Blueshield of Indiana | U4N BCBS Prefix | Indiana contact details along with Claims address |
| Anthem Blucross-Blueshield of Indiana | U4O BCBS Prefix | Indiana contact details along with Claims address |
| Blucross-Blueshield of Illinois | U4P BCBS Prefix | (800)972-8088 Illinois list |
| Bluecross-Blueshield Prefix not assigned | U4Q BCBS Prefix | N/A |
| Blucross-Blueshield of Texas | U4R BCBS Prefix | (800)4510287 (877)7748592 |
| Blucross-Blueshield of Texas | U4S BCBS Prefix | (800)4510287 (877)7748592 |
| Blucross-Blueshield of Illinois | U4T BCBS Prefix | (800)972-8088 Illinois list |
| Anthem Bluecross of California | U4U BCBS Prefix | (800)6776669 Anthem california contact details |
| Bluecross-Blueshield Prefix not assigned | U4V BCBS Prefix | N/A |
| Anthem Blucross-Blueshield of Ohio | U4W BCBS Prefix | Ohio contact details |
| Bluecross-Blueshield Prefix not assigned | U4X BCBS Prefix | N/A |
| Empire Blucross-Blueshield of New York | U4Y BCBS Prefix | (800)992 – 2583 |
| Bluecross-Blueshield Prefix not assigned | U4Z BCBS Prefix | N/A |
| Blucross-Blueshield of Alabama | U5A BCBS Prefix | (205)220 – 6899 |
| Bluecross-Blueshield Prefix not assigned | U5B BCBS Prefix | N/A |
| Highmark Blucross-Blueshield of Pennsylvania | U5C BCBS Prefix | Pennsylvania Phone list |
| Bluecross-Blueshield Prefix not assigned | U5D BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U5E BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U5F BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U5G BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U5H BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U5I BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U5J BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U5K BCBS Prefix | N/A |
| Carefirst Blucross-Blueshield(Maryland/District of Columbia/Northern Virginia) | U5L BCBS Prefix | Phone number List |
| Highmark Blucross-Blueshield of Pennsylvania | U5M BCBS Prefix | Pennsylvania Phone list |
| Anthem Blucross-Blueshield of Indiana | U5N BCBS Prefix | Indiana contact details along with Claims address |
| Bluecross-Blueshield Prefix not assigned | U5O BCBS Prefix | N/A |
| Blucross-Blueshield of Alabama | U5P BCBS Prefix | (205)220 – 6899 |
| Bluecross-Blueshield Prefix not assigned | U5Q BCBS Prefix | N/A |
| Blucross-Blueshield of Texas | U5R BCBS Prefix | (800)4510287 (877)7748592 |
| Bluecross-Blueshield Prefix not assigned | U5S BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U5T BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U5U BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U5V BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U5W BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U5X BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U5Y BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U5Z BCBS Prefix | N/A |
| Blucross-Blueshield of Texas | U6A BCBS Prefix | (800)4510287 (877)7748592 |
| Bluecross-Blueshield Prefix not assigned | U6B BCBS Prefix | N/A |
| Anthem Bluecross of California | U6C BCBS Prefix | (800)6776669 Anthem california contact details |
| Bluecross-Blueshield Prefix not assigned | U6D BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U6E BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U6F BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U6G BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U6H BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U6I BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U6J BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U6K BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U6L BCBS Prefix | N/A |
| Empire Blucross-Blueshield of New York | U6M BCBS Prefix | (800)992 – 2583 |
| Anthem Blucross-Blueshield of Indiana | U6N BCBS Prefix | Indiana contact details along with Claims address |
| Bluecross-Blueshield Prefix not assigned | U6O BCBS Prefix | N/A |
| Blucross-Blueshield of Illinois | U6P BCBS Prefix | (800)972-8088 Illinois list |
| Bluecross-Blueshield Prefix not assigned | U6Q BCBS Prefix | N/A |
| Blucross-Blueshield of Texas | U6R BCBS Prefix | (800)4510287 (877)7748592 |
| Regence Blucross-Blueshield(Oregon/Idaho/Utah/Washington) | U6S BCBS Prefix | (800)253 – 0838 |
| Regence Blucross-Blueshield(Oregon/Idaho/Utah/Washington) | U6T BCBS Prefix | (800)253 – 0838 |
| Bluecross-Blueshield Prefix not assigned | U6U BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U6V BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U6W BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U6X BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U6Y BCBS Prefix | N/A |
| Anthem Blucross-Blueshield of Indiana | U6Z BCBS Prefix | Indiana contact details along with Claims address |
| Blucross-Blueshield of Texas | U7A BCBS Prefix | (800)4510287 (877)7748592 |
| Bluecross-Blueshield Prefix not assigned | U7B BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U7C BCBS Prefix | N/A |
| Anthem Bluecross of California | U7D BCBS Prefix | (800)6776669 Anthem california contact details |
| Bluecross-Blueshield Prefix not assigned | U7E BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U7F BCBS Prefix | N/A |
| Empire Blucross-Blueshield of New York | U7G BCBS Prefix | (800)992 – 2583 |
| Regence Blucross-Blueshield(Oregon/Idaho/Utah/Washington) | U7H BCBS Prefix | (800)253 – 0838 |
| Bluecross-Blueshield Prefix not assigned | U7I BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U7J BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U7K BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U7L BCBS Prefix | N/A |
| Empire Blucross-Blueshield of New York | U7M BCBS Prefix | (800)992 – 2583 |
| Bluecross-Blueshield Prefix not assigned | U7N BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U7O BCBS Prefix | N/A |
| Regence Blucross-Blueshield(Oregon/Idaho/Utah/Washington) | U7P BCBS Prefix | (800)253 – 0838 |
| Bluecross-Blueshield Prefix not assigned | U7Q BCBS Prefix | N/A |
| Blucross-Blueshield of Texas | U7R BCBS Prefix | (800)4510287 (877)7748592 |
| Anthem Bluecross of California | U7S BCBS Prefix | (800)6776669 Anthem california contact details |
| Regence Blucross-Blueshield(Oregon/Idaho/Utah/Washington) | U7T BCBS Prefix | (800)253 – 0838 |
| Regence Blucross-Blueshield(Oregon/Idaho/Utah/Washington) | U7U BCBS Prefix | (800)253 – 0838 |
| Bluecross-Blueshield Prefix not assigned | U7V BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U7W BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U7X BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U7Y BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U7Z BCBS Prefix | N/A |
| Blucross-Blueshield of Texas | U8A BCBS Prefix | (800)4510287 (877)7748592 |
| Bluecross-Blueshield Prefix not assigned | U8B BCBS Prefix | N/A |
| Blucross-Blueshield of Illinois | U8C BCBS Prefix | (800)972-8088 Illinois list |
| Bluecross-Blueshield Prefix not assigned | U8D BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8E BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8F BCBS Prefix | N/A |
| Blucross-Blueshield of Illinois | U8G BCBS Prefix | (800)972-8088 Illinois list |
| Bluecross-Blueshield Prefix not assigned | U8H BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8I BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8J BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8K BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8L BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8M BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8N BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8O BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8P BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8Q BCBS Prefix | N/A |
| Blucross-Blueshield of Texas | U8R BCBS Prefix | (800)4510287 (877)7748592 |
| Blucross-Blueshield of Massachusetts | U8S BCBS Prefix | (800)443-6657 (800)676-2583 |
| Bluecross-Blueshield Prefix not assigned | U8T BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8U BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8V BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8W BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8X BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8Y BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U8Z BCBS Prefix | N/A |
| Anthem Bluecross of California | U9A BCBS Prefix | (800)6776669 Anthem california contact details |
| Blucross-Blueshield of Texas | U9B BCBS Prefix | (800)4510287 (877)7748592 |
| Highmark Blucross-Blueshield of Pennsylvania | U9C BCBS Prefix | Pennsylvania Phone list |
| Bluecross-Blueshield Prefix not assigned | U9D BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U9E BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U9F BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U9G BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U9H BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U9I BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U9J BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U9K BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U9L BCBS Prefix | N/A |
| Blucross-Blueshield of Illinois | U9M BCBS Prefix | (800)972-8088 Illinois list |
| Empire Blucross-Blueshield of New York | U9N BCBS Prefix | (800)992 – 2583 |
| Bluecross-Blueshield Prefix not assigned | U9O BCBS Prefix | N/A |
| Regence Blucross-Blueshield(Oregon/Idaho/Utah/Washington) | U9P BCBS Prefix | (800)253 – 0838 |
| Bluecross-Blueshield Prefix not assigned | U9Q BCBS Prefix | N/A |
| Premera Blucross-Blueshield of Alaska | U9R BCBS Prefix | (800)7224714 |
| Regence Blucross-Blueshield(Oregon/Idaho/Utah/Washington) | U9S BCBS Prefix | (800)253 – 0838 |
| Regence Blucross-Blueshield(Oregon/Idaho/Utah/Washington) | U9T BCBS Prefix | (800)253 – 0838 |
| Bluecross-Blueshield Prefix not assigned | U9U BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U9V BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U9W BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U9X BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U9Y BCBS Prefix | N/A |
| Bluecross-Blueshield Prefix not assigned | U9Z BCBS Prefix | N/A |