BCBS member ID prefix help medical billers, health care providers and patients to identify BCBS healthcare plan. Here we have listed down all the Anthem Prefixes along with BCBS home plan name and website for BCBS member IDs ranging from X2A to X9Z.
Also, you can find BCBS provider phone numbers for each state.
List of BCBS Alpha Numeric Prefix from X2A to X9Z
| BCBS Alpha Numerix Prefix | BCBS Home Plan Name | State | BCBS Home Plan Website |
|---|---|---|---|
| X2A | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X2B | Blue-Cross of Idaho | Idaho | https://www.bcidaho.com/ |
| X2C | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X2D | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X2E | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X2F | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| X2G | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X2H | Wellmark Blue-Cross Blue-Shield | South Dakota/Iowa | https://www.wellmark.com/ |
| X2I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X2J | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X2K | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X2L | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X2M | Anthem BCBS of Virginia | Virginia | https://abcbsva.anthem.com/ |
| X2N | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X2O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X2P | Anthem BCBS of Virginia | Virginia | https://abcbsva.anthem.com/ |
| X2Q | Wellmark Blue-Cross Blue-Shield | South Dakota/Iowa | https://www.wellmark.com/ |
| X2R | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| X2S | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| X2T | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| X2U | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| X2V | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X2W | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X2X | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X2Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X2Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3A | Anthem Blue-Cross Blue-Shield of New Hampshire | New Hampshire | https://www.anthem.com/contact-us/new-hampshire/ |
| X3B | Anthem Blue-Cross Blue-Shield of New Hampshire | New Hampshire | https://www.anthem.com/contact-us/new-hampshire/ |
| X3C | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| X3D | Anthem Blue-Cross Blue-Shield of New Hampshire | New Hampshire | https://www.anthem.com/contact-us/new-hampshire/ |
| X3E | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3F | Anthem Blue-Cross Blue-Shield of New Hampshire | New Hampshire | https://www.anthem.com/contact-us/new-hampshire/ |
| X3G | Anthem Blue-Cross Blue-Shield of New Hampshire | New Hampshire | https://www.anthem.com/contact-us/new-hampshire/ |
| X3H | Wellmark Blue-Cross Blue-Shield | South Dakota/Iowa | https://www.wellmark.com/ |
| X3I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3J | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3K | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3L | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3M | Anthem BCBS of Virginia | Virginia | https://abcbsva.anthem.com/ |
| X3N | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3P | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3R | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3S | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3T | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| X3U | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3V | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3W | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3X | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X3Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X4A | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| X4B | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X4C | Anthem BCBS of Wisconsin | Wisconsin | https://providers.anthem.com/wisconsin-provider/home |
| X4D | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X4E | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| X4F | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| X4G | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| X4H | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| X4I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X4J | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X4K | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X4L | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X4M | Anthem BCBS of Virginia | Virginia | https://abcbsva.anthem.com/ |
| X4N | Premera Blue Cross of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| X4O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X4P | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X4Q | Premera Blue Cross of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| X4R | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| X4S | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| X4T | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| X4U | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X4V | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| X4W | Premera Blue Cross of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| X4X | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| X4Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X4Z | Anthem BCBS of Wisconsin | Wisconsin | https://providers.anthem.com/wisconsin-provider/home |
| X5A | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| X5B | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X5C | Anthem BCBS of Virginia | Virginia | https://abcbsva.anthem.com/ |
| X5D | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5E | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5F | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5G | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5H | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5J | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5K | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5L | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5M | Anthem BCBS of Virginia | Virginia | https://abcbsva.anthem.com/ |
| X5N | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5P | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X5Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5R | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5S | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5T | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X5U | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5V | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5W | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5X | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X5Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X6A | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| X6B | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X6C | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X6D | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X6E | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X6F | Premera Blue Cross of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| X6G | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X6H | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X6I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X6J | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X6K | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X6L | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X6M | Anthem BCBS of Virginia | Virginia | https://abcbsva.anthem.com/ |
| X6N | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X6O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X6P | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X6Q | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X6R | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X6S | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X6T | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X6U | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X6V | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| X6W | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X6X | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X6Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X6Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X7A | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X7B | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X7C | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X7D | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X7E | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X7F | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X7G | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X7H | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X7I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X7J | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X7K | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X7L | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X7M | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X7N | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X7O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X7P | Anthem BCBS of Connecticut | Connecticut | https://www.anthem.com/contact-us/connecticut/ |
| X7Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X7R | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X7S | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X7T | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X7U | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X7V | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X7W | Premera Blue Cross of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| X7X | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X7Y | Premera Blue Cross of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| X7Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8A | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| X8B | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| X8C | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| X8D | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8E | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8F | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8G | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8H | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8J | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8K | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8L | Anthem Blue-Cross Blue-Shield of Ohio | Ohio | https://www.anthem.com/contact-us/ohio/ |
| X8M | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| X8N | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8P | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8R | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8S | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| X8T | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8U | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8V | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8W | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8X | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X8Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9A | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| X9B | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| X9C | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9D | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| X9E | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9F | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9G | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| X9H | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9J | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9K | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9L | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9M | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| X9N | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9P | Anthem BCBS of Wisconsin | Wisconsin | https://providers.anthem.com/wisconsin-provider/home |
| X9Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9R | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9S | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| X9T | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9U | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9V | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9W | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9X | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| X9Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
Other Related Prefix