BCBS member ID prefix help medical billers, health care providers and patients to identify BCBS healthcare plan. Here we have listed down all the Blue Cross Shield Prefix along with BCBS home plan name and website for BCBS member IDs ranging from W2A to W9Z.
Also, you can find BCBS provider phone numbers for each state.
List of BCBS Alpha Numeric Prefix from W2A to W9Z
| BCBS Alpha Numerix Prefix | BCBS Home Plan Name | State | BCBS Home Plan Website |
|---|---|---|---|
| W2A | Blue-Shield of Northeastern New York | New York (Northeastern) | https://www.bsneny.com/content/neny.html |
| W2B | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| W2C | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| W2D | Highmark BCBS of West Virginia | West Virginia | https://www.highmarkbcbswv.com/ |
| W2E | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| W2F | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| W2G | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| W2H | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| W2I | Anthem BCBS of Virginia | Virginia | https://abcbsva.anthem.com/ |
| W2J | Highmark BCBS of West Virginia | West Virginia | https://www.highmarkbcbswv.com/ |
| W2K | Arkansas BCBS | Arkansas | https://www.arkansasbluecross.com/ |
| W2L | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| W2M | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| W2N | Arkansas BCBS | Arkansas | https://www.arkansasbluecross.com/ |
| W2O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W2P | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| W2Q | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| W2R | Highmark BCBS of West Virginia | West Virginia | https://www.highmarkbcbswv.com/ |
| W2S | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| W2T | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| W2U | Highmark BCBS of West Virginia | West Virginia | https://www.highmarkbcbswv.com/ |
| W2V | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| W2W | Arkansas BCBS | Arkansas | https://www.arkansasbluecross.com/ |
| W2X | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| W2Y | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| W2Z | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| W3A | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| W3B | Anthem BCBS of Wisconsin | Wisconsin | https://www.anthem.com/contact-us/wisconsin/ |
| W3C | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| W3D | Anthem BCBS of Nevada | Nevada | https://providers.anthem.com/nevada-provider/home |
| W3E | Anthem BCBS of Missouri | Missouri | https://www.anthem.com/contact-us/missouri/ |
| W3F | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| W3G | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W3H | Premera Blue Cross of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| W3I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W3J | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| W3K | Premera Blue Cross of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| W3L | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| W3M | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| W3N | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| W3O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W3P | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| W3Q | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| W3R | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W3S | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| W3T | Arkansas BCBS | Arkansas | https://www.arkansasbluecross.com/ |
| W3U | Highmark BCBS of West Virginia | West Virginia | https://www.highmarkbcbswv.com/ |
| W3V | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| W3W | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| W3X | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| W3Y | Highmark BCBS of Pennsylvania | Pennsylvania | https://www.highmarkbcbs.com/home/ |
| W3Z | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| W4A | BCBS of Minnesota | Minnesota | https://www.bluecrossmn.com/providers |
| W4B | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| W4C | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | https://provider.carefirst.com/providers/home.page |
| W4D | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W4E | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W4F | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W4G | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W4H | Blue-Cross Blue-Shield of Rhode Island | Rhode Island | https://www.bcbsri.com/ |
| W4I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W4J | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W4K | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W4L | Anthem BCBS of Missouri | Missouri | https://www.anthem.com/contact-us/missouri/ |
| W4M | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W4N | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W4O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W4P | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W4Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W4R | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W4S | Anthem BCBS of Ohio | Ohio | https://www.anthem.com/contact-us/ohio/ |
| W4T | Premera Blue-Cross of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| W4U | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| W4V | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W4W | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W4X | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W4Y | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W4Z | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W5A | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W5B | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| W5C | Blue Cross Blue Shield of Vermont | Vermont | https://www.bluecrossvt.org/ |
| W5D | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W5E | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W5F | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| W5G | Anthem BCBS of Wisconsin | Wisconsin | https://www.anthem.com/contact-us/wisconsin/ |
| W5H | Premera Blue-Cross Blue-Shield of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| W5I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W5J | Premera Blue-Cross Blue-Shield of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| W5K | BCBS of Minnesota | Minnesota | https://www.bluecrossmn.com/providers |
| W5L | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W5M | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| W5N | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W5O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W5P | Anthem BCBS of Wisconsin | Wisconsin | https://www.anthem.com/contact-us/wisconsin/ |
| W5Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W5R | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W5S | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W5T | Premera Blue-Cross Blue-Shield of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| W5U | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W5V | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W5W | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W5X | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W5Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W5Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W6A | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W6B | BCBS of Texas | Texas | https://www.bcbstx.com/ |
| W6C | Premera Blue-Cross Blue-Shield of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| W6D | Anthem BCBS of Wisconsin | Wisconsin | https://www.anthem.com/contact-us/wisconsin/ |
| W6E | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W6F | Anthem Blue-Cross Blue-Shield of New Hampshire | New Hampshire | https://www.anthem.com/contact-us/new-hampshire/ |
| W6G | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| W6H | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| W6I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W6J | Highmark Blue Cross Blue Shield Delaware | Delaware | https://www.highmarkbcbsde.com/ |
| W6K | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W6L | Highmark Blue Cross Blue Shield Delaware | Delaware | https://www.highmarkbcbsde.com/ |
| W6M | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| W6N | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W6O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W6P | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| W6Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W6R | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| W6S | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | https://provider.carefirst.com/providers/home.page |
| W6T | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| W6U | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| W6V | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| W6W | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| W6X | Anthem Blue-Cross Blue-Shield of Maine | Maine | https://www.anthem.com/contact-us/maine/ |
| W6Y | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| W6Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W7A | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| W7B | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| W7C | Premera Blue-Cross Blue-Shield of Alaska | Alaska | https://www.premera.com/ak/provider/ |
| W7D | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| W7E | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W7F | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| W7G | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| W7H | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| W7I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W7J | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W7K | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W7L | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W7M | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | https://provider.carefirst.com/providers/home.page |
| W7N | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W7O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W7P | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| W7Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W7R | Anthem BCBS of Ohio | Ohio | https://www.anthem.com/contact-us/ohio/ |
| W7S | Anthem Blue Cross of California | California | https://www.anthem.com/ca |
| W7T | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| W7U | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W7V | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W7W | Empire BCBS of New York | New York | https://www.empireblue.com/ |
| W7X | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W7Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W7Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8A | Anthem BCBS of Wisconsin | Wisconsin | https://www.anthem.com/contact-us/wisconsin/ |
| W8B | Anthem BCBS of Wisconsin | Wisconsin | https://www.anthem.com/contact-us/wisconsin/ |
| W8C | Anthem BCBS of Ohio | Ohio | https://www.anthem.com/contact-us/ohio/ |
| W8D | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| W8E | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8F | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8G | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8H | BCBS of Minnesota | Minnesota | https://www.bluecrossmn.com/providers |
| W8I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8J | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8K | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8L | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8M | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8N | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8P | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| W8Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8R | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8S | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8T | Carefirst Blue Cross Blue-Shield | Maryland/District of Columbia/Northern Virginia | https://provider.carefirst.com/providers/home.page |
| W8U | BCBS of Michigan | Michigan | https://www.bcbsm.com/ |
| W8V | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8W | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8X | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W8Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W9A | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| W9B | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| W9C | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| W9D | Anthem BCBS of Wisconsin | Wisconsin | https://www.anthem.com/contact-us/wisconsin/ |
| W9E | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W9F | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| W9G | Anthem BCBS of Georgia | Georgia | https://www.anthem.com/contact-us/georgia/ |
| W9H | Anthem BCBS of Indiana | Indiana | https://providers.anthem.com/indiana-provider/home |
| W9I | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W9J | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W9K | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W9L | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W9M | BCBS of Illinois | Illinois | https://www.bcbsil.com/ |
| W9N | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W9O | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W9P | Anthem BCBS of Wisconsin | Wisconsin | https://www.anthem.com/contact-us/wisconsin/ |
| W9Q | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W9R | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W9S | Anthem BCBS of Colorado | Colorado | https://www.anthem.com/contact-us/colorado/ |
| W9T | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W9U | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W9V | Regence BCBS | Oregon/Idaho/Utah/Washington | https://www.regence.com/home |
| W9W | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W9X | BCBS of Michigan | Michigan | https://www.bcbsm.com/ |
| W9Y | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
| W9Z | Prefix Unallocated/Not Assigned | Yet to be assigned | Yet to be assigned |
Other Related Prefix