BCBS member ID prefix help medical billers, health care providers and patients to identify BCBS healthcare plan. Here we have mentioned BCBS Prefix list along with BCBS home plan name and website for BCBS member IDs ranging from K2A to K9Z.
Also, you can find BCBS provider phone numbers for each state.
List of BCBS Alpha Numeric Prefix from K2A to K9Z
| BCBS Alpha Numerix Prefix | BCBS Home Plan Name | State | BCBS Home Plan Website |
|---|---|---|---|
| K2A | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| K2B | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| K2C | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| K2D | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| K2E | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| K2F | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| K2G | BCBS of Oklahoma | Oklahoma | https://www.bcbsok.com/ |
| K2H | BCBS of Western New York | New York (Western) | https://www.bcbswny.com/ |
| K2I | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K2J | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| K2K | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| K2L | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| K2M | Horizon BCBS of New Jersey | New Jersey | https://www.horizonblue.com/ |
| K2N | Blue Cross Blue Shield of Vermont | Vermont | https://www.bluecrossvt.org/ |
| K2O | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K2P | Horizon BCBS of New Jersey | New Jersey | https://www.horizonblue.com/ |
| K2Q | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K2R | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| K2S | Premera Blue Cross of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| K2T | BCBS of Minnesota | Minnesota | https://www.bluecrossmn.com/providers |
| K2U | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| K2V | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| K2W | Anthem BCBS of Kentucky | Kentucky | https://www.anthem.com/contact-us/kentucky/ |
| K2X | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| K2Y | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K2Z | Anthem BCBS of Kentucky | Kentucky | https://www.anthem.com/contact-us/kentucky/ |
| K3A | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| K3B | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| K3C | Anthem BCBS of Virginia | Virginia | https://abcbsva.anthem.com/ |
| K3D | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K3E | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K3F | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| K3G | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| K3H | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| K3I | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K3J | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K3K | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K3L | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| K3M | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| K3N | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| K3O | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K3P | Anthem BCBS of Virginia | Virginia | https://abcbsva.anthem.com/ |
| K3Q | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| K3R | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| K3S | Premera Blue Cross of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| K3T | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| K3U | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| K3V | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| K3W | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K3X | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K3Y | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K3Z | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| K4A | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| K4B | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K4C | BCBS of Michigan | Michigan | https://www.bcbsm.com/ |
| K4D | Anthem BCBS of Ohio | Ohio | https://www.anthem.com/contact-us/ohio/ |
| K4E | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K4F | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| K4G | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | https://provider.carefirst.com/providers/home.page |
| K4H | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K4I | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K4J | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K4K | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K4L | Anthem BCBS of Ohio | Ohio | https://www.anthem.com/contact-us/ohio/ |
| K4M | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| K4N | BCBS of Massachusetts | Massachusetts | bluecrossma.org |
| K4O | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K4P | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K4Q | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K4R | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| K4S | BCBS of Massachusetts | Massachusetts | bluecrossma.org |
| K4T | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | https://provider.carefirst.com/providers/home.page |
| K4U | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| K4V | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| K4W | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K4X | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K4Y | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K4Z | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K5A | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| K5B | Anthem BCBS of Ohio | Ohio | https://www.anthem.com/contact-us/ohio/ |
| K5C | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K5D | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| K5E | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5F | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K5G | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5H | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5I | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5J | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5K | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5L | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5M | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5N | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K5O | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5P | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| K5Q | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5R | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5S | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5T | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5U | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5V | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| K5W | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5X | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K5Y | Anthem BCBS of Kentucky | Kentucky | https://www.anthem.com/contact-us/kentucky/ |
| K5Z | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6A | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| K6B | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| K6C | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| K6D | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6E | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6F | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6G | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6H | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6I | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6J | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6K | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6L | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6M | Anthem BCBS of Virginia | Virginia | https://abcbsva.anthem.com/ |
| K6N | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6O | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6P | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6Q | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6R | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6S | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6T | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6U | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6V | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6W | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6X | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6Y | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K6Z | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7A | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K7B | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K7C | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K7D | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K7E | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K7F | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K7G | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7H | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7I | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7J | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7K | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7L | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7M | Anthem BCBS of Ohio | Ohio | https://www.anthem.com/contact-us/ohio/ |
| K7N | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K7O | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7P | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7Q | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7R | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7S | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| K7T | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7U | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7V | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7W | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7X | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| K7Y | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K7Z | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8A | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| K8B | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8C | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| K8D | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8E | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8F | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8G | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8H | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8I | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8J | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8K | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8L | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8M | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| K8N | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8O | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8P | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| K8Q | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8R | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8S | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8T | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8U | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8V | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8W | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8X | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K8Y | BCBS of Arizona | Arizona | https://www.azblue.com/ |
| K8Z | BCBS of Arizona | Arizona | https://www.azblue.com/ |
| K9A | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| K9B | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| K9C | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| K9D | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K9E | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K9F | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K9G | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| K9H | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K9I | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K9J | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K9K | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K9L | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K9M | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K9N | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| K9O | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K9P | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K9Q | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K9R | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K9S | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K9T | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K9U | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K9V | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K9W | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| K9X | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| K9Y | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| K9Z | Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
Other Related Prefix