BCBS Prefix List Y2A to Y9Z

Blue Cross Blue Shield Provider Phone Number
Blue Cross Blue Shield Federal Phone Number
BCBS Prefix List 2021 - Alpha NumericState LookupBCBS Company
Y2AIllinoisBlue-Cross Blue-Shield of Illinois
Y2BOhioAnthem Blue-Cross Blue-Shield of Ohio
Y2CCaliforniaAnthem Blue-Cross California
Y2D-Prefix Unallocated/Not Assigned
Y2E-Prefix Unallocated/Not Assigned
Y2FMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
Y2G-Prefix Unallocated/Not Assigned
Y2H-Prefix Unallocated/Not Assigned
Y2I-Prefix Unallocated/Not Assigned
Y2J-Prefix Unallocated/Not Assigned
Y2K-Prefix Unallocated/Not Assigned
Y2L-Prefix Unallocated/Not Assigned
Y2MNebraskaBlue-Cross Blue-Shield of Nebraska
Y2NIllinoisBlue-Cross Blue-Shield of Illinois
Y2O-Prefix Unallocated/Not Assigned
Y2P-Prefix Unallocated/Not Assigned
Y2Q-Prefix Unallocated/Not Assigned
Y2RMontanaBlue-Cross Blue-Shield of Montana
Y2SMontanaBlue-Cross Blue-Shield of Montana
Y2TMontanaBlue-Cross Blue-Shield of Montana
Y2U-Prefix Unallocated/Not Assigned
Y2V-Prefix Unallocated/Not Assigned
Y2WIllinoisBlue-Cross Blue-Shield of Illinois
Y2X-Prefix Unallocated/Not Assigned
Y2Y-Prefix Unallocated/Not Assigned
Y2Z-Prefix Unallocated/Not Assigned
Y3A-Prefix Unallocated/Not Assigned
Y3B-Prefix Unallocated/Not Assigned
Y3CIllinoisBlue-Cross Blue-Shield of Illinois
Y3D-Prefix Unallocated/Not Assigned
Y3EAlaskaPremera Blue-Cross of Alaska
Y3F-Prefix Unallocated/Not Assigned
Y3GAlaskaPremera Blue-Cross of Alaska
Y3H-Prefix Unallocated/Not Assigned
Y3I-Prefix Unallocated/Not Assigned
Y3J-Prefix Unallocated/Not Assigned
Y3KAlaskaPremera Blue-Cross of Alaska
Y3L-Prefix Unallocated/Not Assigned
Y3MCaliforniaAnthem Blue-Cross California
Y3N-Prefix Unallocated/Not Assigned
Y3O-Prefix Unallocated/Not Assigned
Y3P-Prefix Unallocated/Not Assigned
Y3Q-Prefix Unallocated/Not Assigned
Y3RNew MexicoBlue-Cross Blue-Shield of New Mexico
Y3SNew MexicoBlue-Cross Blue-Shield of New Mexico
Y3TNew MexicoBlue-Cross Blue-Shield of New Mexico
Y3U-Prefix Unallocated/Not Assigned
Y3V-Prefix Unallocated/Not Assigned
Y3W-Prefix Unallocated/Not Assigned
Y3X-Prefix Unallocated/Not Assigned
Y3Y-Prefix Unallocated/Not Assigned
Y3Z-Prefix Unallocated/Not Assigned
Y4A-Prefix Unallocated/Not Assigned
Y4B-Prefix Unallocated/Not Assigned
Y4CColoradoAnthem Blue-Cross Blue-Shield of Colorado
Y4D-Prefix Unallocated/Not Assigned
Y4E-Prefix Unallocated/Not Assigned
Y4F-Prefix Unallocated/Not Assigned
Y4GGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
Y4HOhioAnthem Blue-Cross Blue-Shield of Ohio
Y4I-Prefix Unallocated/Not Assigned
Y4J-Prefix Unallocated/Not Assigned
Y4K-Prefix Unallocated/Not Assigned
Y4L-Prefix Unallocated/Not Assigned
Y4M-Prefix Unallocated/Not Assigned
Y4N-Prefix Unallocated/Not Assigned
Y4O-Prefix Unallocated/Not Assigned
Y4PGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
Y4Q-Prefix Unallocated/Not Assigned
Y4ROklahomaBlue-Cross Blue-Shield of Oklahoma
Y4SOklahomaBlue-Cross Blue-Shield of Oklahoma
Y4TOklahomaBlue-Cross Blue-Shield of Oklahoma
Y4U-Prefix Unallocated/Not Assigned
Y4V-Prefix Unallocated/Not Assigned
Y4W-Prefix Unallocated/Not Assigned
Y4X-Prefix Unallocated/Not Assigned
Y4Y-Prefix Unallocated/Not Assigned
Y4Z-Prefix Unallocated/Not Assigned
Y5A-Prefix Unallocated/Not Assigned
Y5B-Prefix Unallocated/Not Assigned
Y5CIllinoisBlue-Cross Blue-Shield of Illinois
Y5D-Prefix Unallocated/Not Assigned
Y5E-Prefix Unallocated/Not Assigned
Y5F-Prefix Unallocated/Not Assigned
Y5G-Prefix Unallocated/Not Assigned
Y5H-Prefix Unallocated/Not Assigned
Y5I-Prefix Unallocated/Not Assigned
Y5J-Prefix Unallocated/Not Assigned
Y5K-Prefix Unallocated/Not Assigned
Y5L-Prefix Unallocated/Not Assigned
Y5M-Prefix Unallocated/Not Assigned
Y5N-Prefix Unallocated/Not Assigned
Y5O-Prefix Unallocated/Not Assigned
Y5P-Prefix Unallocated/Not Assigned
Y5Q-Prefix Unallocated/Not Assigned
Y5R-Prefix Unallocated/Not Assigned
Y5S-Prefix Unallocated/Not Assigned
Y5TConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
Y5U-Prefix Unallocated/Not Assigned
Y5V-Prefix Unallocated/Not Assigned
Y5W-Prefix Unallocated/Not Assigned
Y5X-Prefix Unallocated/Not Assigned
Y5Y-Prefix Unallocated/Not Assigned
Y5Z-Prefix Unallocated/Not Assigned
Y6AOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
Y6B-Prefix Unallocated/Not Assigned
Y6C-Prefix Unallocated/Not Assigned
Y6D-Prefix Unallocated/Not Assigned
Y6E-Prefix Unallocated/Not Assigned
Y6F-Prefix Unallocated/Not Assigned
Y6GOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
Y6H-Prefix Unallocated/Not Assigned
Y6I-Prefix Unallocated/Not Assigned
Y6J-Prefix Unallocated/Not Assigned
Y6K-Prefix Unallocated/Not Assigned
Y6L-Prefix Unallocated/Not Assigned
Y6MOhioAnthem Blue-Cross Blue-Shield of Ohio
Y6N-Prefix Unallocated/Not Assigned
Y6O-Prefix Unallocated/Not Assigned
Y6PNew YorkEmpire Blue-Cross Blue-Shield of New York
Y6Q-Prefix Unallocated/Not Assigned
Y6ROregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
Y6S-Prefix Unallocated/Not Assigned
Y6TOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
Y6U-Prefix Unallocated/Not Assigned
Y6VOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
Y6W-Prefix Unallocated/Not Assigned
Y6X-Prefix Unallocated/Not Assigned
Y6Y-Prefix Unallocated/Not Assigned
Y6Z-Prefix Unallocated/Not Assigned
Y7AOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
Y7B-Prefix Unallocated/Not Assigned
Y7C-Prefix Unallocated/Not Assigned
Y7D-Prefix Unallocated/Not Assigned
Y7E-Prefix Unallocated/Not Assigned
Y7F-Prefix Unallocated/Not Assigned
Y7G-Prefix Unallocated/Not Assigned
Y7H-Prefix Unallocated/Not Assigned
Y7I-Prefix Unallocated/Not Assigned
Y7J-Prefix Unallocated/Not Assigned
Y7K-Prefix Unallocated/Not Assigned
Y7L-Prefix Unallocated/Not Assigned
Y7M-Prefix Unallocated/Not Assigned
Y7NNew YorkEmpire Blue-Cross Blue-Shield of New York
Y7O-Prefix Unallocated/Not Assigned
Y7P-Prefix Unallocated/Not Assigned
Y7Q-Prefix Unallocated/Not Assigned
Y7R-Prefix Unallocated/Not Assigned
Y7S-Prefix Unallocated/Not Assigned
Y7T-Prefix Unallocated/Not Assigned
Y7UOklahomaBlue-Cross Blue-Shield of Oklahoma
Y7V-Prefix Unallocated/Not Assigned
Y7W-Prefix Unallocated/Not Assigned
Y7X-Prefix Unallocated/Not Assigned
Y7Y-Prefix Unallocated/Not Assigned
Y7Z-Prefix Unallocated/Not Assigned
Y8A-Prefix Unallocated/Not Assigned
Y8B-Prefix Unallocated/Not Assigned
Y8CColoradoAnthem Blue-Cross Blue-Shield of Colorado
Y8D-Prefix Unallocated/Not Assigned
Y8ENew YorkEmpire Blue-Cross Blue-Shield of New York
Y8F-Prefix Unallocated/Not Assigned
Y8G-Prefix Unallocated/Not Assigned
Y8H-Prefix Unallocated/Not Assigned
Y8I-Prefix Unallocated/Not Assigned
Y8J-Prefix Unallocated/Not Assigned
Y8K-Prefix Unallocated/Not Assigned
Y8L-Prefix Unallocated/Not Assigned
Y8MCaliforniaAnthem Blue-Cross California
Y8N-Prefix Unallocated/Not Assigned
Y8O-Prefix Unallocated/Not Assigned
Y8P-Prefix Unallocated/Not Assigned
Y8Q-Prefix Unallocated/Not Assigned
Y8R-Prefix Unallocated/Not Assigned
Y8S-Prefix Unallocated/Not Assigned
Y8T-Prefix Unallocated/Not Assigned
Y8U-Prefix Unallocated/Not Assigned
Y8V-Prefix Unallocated/Not Assigned
Y8W-Prefix Unallocated/Not Assigned
Y8X-Prefix Unallocated/Not Assigned
Y8Y-Prefix Unallocated/Not Assigned
Y8Z-Prefix Unallocated/Not Assigned
Y9A-Prefix Unallocated/Not Assigned
Y9B-Prefix Unallocated/Not Assigned
Y9COregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
Y9D-Prefix Unallocated/Not Assigned
Y9E-Prefix Unallocated/Not Assigned
Y9F-Prefix Unallocated/Not Assigned
Y9G-Prefix Unallocated/Not Assigned
Y9HOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
Y9I-Prefix Unallocated/Not Assigned
Y9J-Prefix Unallocated/Not Assigned
Y9K-Prefix Unallocated/Not Assigned
Y9L-Prefix Unallocated/Not Assigned
Y9M-Prefix Unallocated/Not Assigned
Y9NIndianaAnthem Blue-Cross Blue-Shield of Indiana
Y9O-Prefix Unallocated/Not Assigned
Y9P-Prefix Unallocated/Not Assigned
Y9Q-Prefix Unallocated/Not Assigned
Y9R-Prefix Unallocated/Not Assigned
Y9S-Prefix Unallocated/Not Assigned
Y9T-Prefix Unallocated/Not Assigned
Y9U-Prefix Unallocated/Not Assigned
Y9V-Prefix Unallocated/Not Assigned
Y9W-Prefix Unallocated/Not Assigned
Y9X-Prefix Unallocated/Not Assigned
Y9Y-Prefix Unallocated/Not Assigned
Y9Z-Prefix Unallocated/Not Assigned

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