BCBS Prefix List W2A to W9Z

Blue Cross Blue Shield Provider Phone Number
Blue Cross Blue Shield Federal Phone Number
Blue Cross Blue Shield Claim Mailing address
BCBS Prefix List 2021 - Alpha NumericState LookupBCBS Company
W2ANew York (Northeastern)Blue-Shield of Northeastern New York
W2BIllinoisBlue-Cross Blue-Shield of Illinois
W2CGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
W2DWest VirginiaHighmark Blue-Cross Blue-Shield of West Virginia
W2EColoradoAnthem Blue-Cross Blue-Shield of Colorado
W2FIllinoisBlue-Cross Blue-Shield of Illinois
W2GOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
W2H-Prefix Unallocated/Not Assigned
W2IVirginiaAnthem Blue-Cross Blue-Shield of Virginia
W2JWest VirginiaHighmark Blue-Cross Blue-Shield of West Virginia
W2KArkansasArkansas Blue-Cross Blue-Shield
W2LIllinoisBlue-Cross Blue-Shield of Illinois
W2MIllinoisBlue-Cross Blue-Shield of Illinois
W2NArkansasArkansas Blue-Cross Blue-Shield
W2O-Prefix Unallocated/Not Assigned
W2POregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
W2Q-Prefix Unallocated/Not Assigned
W2RWest VirginiaHighmark Blue-Cross Blue-Shield of West Virginia
W2SOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
W2TOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
W2UWest VirginiaHighmark Blue-Cross Blue-Shield of West Virginia
W2V-Prefix Unallocated/Not Assigned
W2WArkansasArkansas Blue-Cross Blue-Shield
W2X-Prefix Unallocated/Not Assigned
W2Y-Prefix Unallocated/Not Assigned
W2Z-Prefix Unallocated/Not Assigned
W3APennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
W3B-Prefix Unallocated/Not Assigned
W3COregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
W3D-Prefix Unallocated/Not Assigned
W3EMissouriAnthem Blue-Cross Blue-Shield of Missouri
W3F-Prefix Unallocated/Not Assigned
W3G-Prefix Unallocated/Not Assigned
W3HAlaskaPremera Blue-Cross of Alaska
W3I-Prefix Unallocated/Not Assigned
W3J-Prefix Unallocated/Not Assigned
W3KAlaskaPremera Blue-Cross of Alaska
W3L-Prefix Unallocated/Not Assigned
W3MIllinoisBlue-Cross Blue-Shield of Illinois
W3N-Prefix Unallocated/Not Assigned
W3O-Prefix Unallocated/Not Assigned
W3PNew YorkEmpire Blue-Cross Blue-Shield of New York
W3Q-Prefix Unallocated/Not Assigned
W3R-Prefix Unallocated/Not Assigned
W3S-Prefix Unallocated/Not Assigned
W3TArkansasArkansas Blue-Cross Blue-Shield
W3U-Prefix Unallocated/Not Assigned
W3V-Prefix Unallocated/Not Assigned
W3WNew YorkEmpire Blue-Cross Blue-Shield of New York
W3XNew YorkEmpire Blue-Cross Blue-Shield of New York
W3Y-Prefix Unallocated/Not Assigned
W3Z-Prefix Unallocated/Not Assigned
W4A-Prefix Unallocated/Not Assigned
W4B-Prefix Unallocated/Not Assigned
W4CMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
W4D-Prefix Unallocated/Not Assigned
W4E-Prefix Unallocated/Not Assigned
W4F-Prefix Unallocated/Not Assigned
W4GTexasBlue-Cross Blue-Shield of Texas
W4HRhode IslandBlue-Cross Blue-Shield of Rhode Island
W4I-Prefix Unallocated/Not Assigned
W4JTexasBlue-Cross Blue-Shield of Texas
W4KTexasBlue-Cross Blue-Shield of Texas
W4L-Prefix Unallocated/Not Assigned
W4MTexasBlue-Cross Blue-Shield of Texas
W4NTexasBlue-Cross Blue-Shield of Texas
W4O-Prefix Unallocated/Not Assigned
W4PTexasBlue-Cross Blue-Shield of Texas
W4Q-Prefix Unallocated/Not Assigned
W4RTexasBlue-Cross Blue-Shield of Texas
W4S-Prefix Unallocated/Not Assigned
W4TAlaskaPremera Blue-Cross of Alaska
W4U-Prefix Unallocated/Not Assigned
W4VTexasBlue-Cross Blue-Shield of Texas
W4WTexasBlue-Cross Blue-Shield of Texas
W4XTexasBlue-Cross Blue-Shield of Texas
W4YTexasBlue-Cross Blue-Shield of Texas
W4ZTexasBlue-Cross Blue-Shield of Texas
W5A-Prefix Unallocated/Not Assigned
W5B-Prefix Unallocated/Not Assigned
W5C-Prefix Unallocated/Not Assigned
W5D-Prefix Unallocated/Not Assigned
W5E-Prefix Unallocated/Not Assigned
W5F-Prefix Unallocated/Not Assigned
W5GWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
W5HAlaskaPremera Blue-Cross Blue-Shield of Alaska
W5I-Prefix Unallocated/Not Assigned
W5J-Prefix Unallocated/Not Assigned
W5K-Prefix Unallocated/Not Assigned
W5L-Prefix Unallocated/Not Assigned
W5MIllinoisBlue-Cross Blue-Shield of Illinois
W5N-Prefix Unallocated/Not Assigned
W5O-Prefix Unallocated/Not Assigned
W5PWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
W5Q-Prefix Unallocated/Not Assigned
W5R-Prefix Unallocated/Not Assigned
W5S-Prefix Unallocated/Not Assigned
W5TAlaskaPremera Blue-Cross Blue-Shield of Alaska
W5U-Prefix Unallocated/Not Assigned
W5V-Prefix Unallocated/Not Assigned
W5W-Prefix Unallocated/Not Assigned
W5X-Prefix Unallocated/Not Assigned
W5Y-Prefix Unallocated/Not Assigned
W5Z-Prefix Unallocated/Not Assigned
W6ATexasBlue-Cross Blue-Shield of Texas
W6B-Prefix Unallocated/Not Assigned
W6CAlaskaPremera Blue-Cross Blue-Shield of Alaska
W6D-Prefix Unallocated/Not Assigned
W6E-Prefix Unallocated/Not Assigned
W6F-Prefix Unallocated/Not Assigned
W6G-Prefix Unallocated/Not Assigned
W6H-Prefix Unallocated/Not Assigned
W6I-Prefix Unallocated/Not Assigned
W6J-Prefix Unallocated/Not Assigned
W6K-Prefix Unallocated/Not Assigned
W6L-Prefix Unallocated/Not Assigned
W6M-Prefix Unallocated/Not Assigned
W6N-Prefix Unallocated/Not Assigned
W6O-Prefix Unallocated/Not Assigned
W6PNew YorkEmpire Blue-Cross Blue-Shield of New York
W6Q-Prefix Unallocated/Not Assigned
W6R-Prefix Unallocated/Not Assigned
W6S-Prefix Unallocated/Not Assigned
W6T-Prefix Unallocated/Not Assigned
W6U-Prefix Unallocated/Not Assigned
W6V-Prefix Unallocated/Not Assigned
W6W-Prefix Unallocated/Not Assigned
W6X-Prefix Unallocated/Not Assigned
W6Y-Prefix Unallocated/Not Assigned
W6Z-Prefix Unallocated/Not Assigned
W7A-Prefix Unallocated/Not Assigned
W7B-Prefix Unallocated/Not Assigned
W7CAlaskaPremera Blue-Cross Blue-Shield of Alaska
W7D-Prefix Unallocated/Not Assigned
W7E-Prefix Unallocated/Not Assigned
W7F-Prefix Unallocated/Not Assigned
W7G-Prefix Unallocated/Not Assigned
W7HIllinoisBlue-Cross Blue-Shield of Illinois
W7I-Prefix Unallocated/Not Assigned
W7J-Prefix Unallocated/Not Assigned
W7K-Prefix Unallocated/Not Assigned
W7L-Prefix Unallocated/Not Assigned
W7MMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
W7N-Prefix Unallocated/Not Assigned
W7O-Prefix Unallocated/Not Assigned
W7P-Prefix Unallocated/Not Assigned
W7Q-Prefix Unallocated/Not Assigned
W7R-Prefix Unallocated/Not Assigned
W7S-Prefix Unallocated/Not Assigned
W7T-Prefix Unallocated/Not Assigned
W7U-Prefix Unallocated/Not Assigned
W7V-Prefix Unallocated/Not Assigned
W7W-Prefix Unallocated/Not Assigned
W7X-Prefix Unallocated/Not Assigned
W7Y-Prefix Unallocated/Not Assigned
W7Z-Prefix Unallocated/Not Assigned
W8AWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
W8BWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
W8C-Prefix Unallocated/Not Assigned
W8D-Prefix Unallocated/Not Assigned
W8E-Prefix Unallocated/Not Assigned
W8F-Prefix Unallocated/Not Assigned
W8G-Prefix Unallocated/Not Assigned
W8H-Prefix Unallocated/Not Assigned
W8I-Prefix Unallocated/Not Assigned
W8J-Prefix Unallocated/Not Assigned
W8K-Prefix Unallocated/Not Assigned
W8L-Prefix Unallocated/Not Assigned
W8M-Prefix Unallocated/Not Assigned
W8N-Prefix Unallocated/Not Assigned
W8O-Prefix Unallocated/Not Assigned
W8P-Prefix Unallocated/Not Assigned
W8Q-Prefix Unallocated/Not Assigned
W8R-Prefix Unallocated/Not Assigned
W8S-Prefix Unallocated/Not Assigned
W8T-Prefix Unallocated/Not Assigned
W8U-Prefix Unallocated/Not Assigned
W8V-Prefix Unallocated/Not Assigned
W8W-Prefix Unallocated/Not Assigned
W8X-Prefix Unallocated/Not Assigned
W8Y-Prefix Unallocated/Not Assigned
W8Z-Prefix Unallocated/Not Assigned
W9A-Prefix Unallocated/Not Assigned
W9B-Prefix Unallocated/Not Assigned
W9C-Prefix Unallocated/Not Assigned
W9D-Prefix Unallocated/Not Assigned
W9E-Prefix Unallocated/Not Assigned
W9F-Prefix Unallocated/Not Assigned
W9G-Prefix Unallocated/Not Assigned
W9H-Prefix Unallocated/Not Assigned
W9I-Prefix Unallocated/Not Assigned
W9J-Prefix Unallocated/Not Assigned
W9K-Prefix Unallocated/Not Assigned
W9L-Prefix Unallocated/Not Assigned
W9M-Prefix Unallocated/Not Assigned
W9N-Prefix Unallocated/Not Assigned
W9O-Prefix Unallocated/Not Assigned
W9PWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
W9Q-Prefix Unallocated/Not Assigned
W9R-Prefix Unallocated/Not Assigned
W9S-Prefix Unallocated/Not Assigned
W9T-Prefix Unallocated/Not Assigned
W9U-Prefix Unallocated/Not Assigned
W9V-Prefix Unallocated/Not Assigned
W9W-Prefix Unallocated/Not Assigned
W9X-Prefix Unallocated/Not Assigned
W9Y-Prefix Unallocated/Not Assigned
W9Z-Prefix Unallocated/Not Assigned