BCBS Prefix List X2A to X9Z

Blue Cross Blue Shield Provider Phone Number
Blue Cross Blue Shield Federal Phone Number
BCBS Prefix List 2021 - Alpha NumericState LookupBCBS Company
X2AConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X2BIdahoBlue-Cross of Idaho
X2CConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X2DConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X2EConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X2FCaliforniaAnthem Blue-Cross
X2G-Prefix Unallocated/Not Assigned
X2HSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
X2I-Prefix Unallocated/Not Assigned
X2J-Prefix Unallocated/Not Assigned
X2K-Prefix Unallocated/Not Assigned
X2L-Prefix Unallocated/Not Assigned
X2MVirginiaAnthem Blue-Cross Blue-Shield of Virginia
X2N-Prefix Unallocated/Not Assigned
X2O-Prefix Unallocated/Not Assigned
X2PVirginiaAnthem Blue-Cross Blue-Shield of Virginia
X2QSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
X2RIllinoisBlue-Cross Blue-Shield of Illinois
X2SIllinoisBlue-Cross Blue-Shield of Illinois
X2TIllinoisBlue-Cross Blue-Shield of Illinois
X2UIllinoisBlue-Cross Blue-Shield of Illinois
X2V-Prefix Unallocated/Not Assigned
X2W-Prefix Unallocated/Not Assigned
X2X-Prefix Unallocated/Not Assigned
X2Y-Prefix Unallocated/Not Assigned
X2Z-Prefix Unallocated/Not Assigned
X3ANew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
X3BNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
X3CColoradoAnthem Blue-Cross Blue-Shield of Colorado
X3DNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
X3E-Prefix Unallocated/Not Assigned
X3FNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
X3GNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
X3HSouth Dakota/IowaWellmark Blue-Cross Blue-Shield
X3I-Prefix Unallocated/Not Assigned
X3J-Prefix Unallocated/Not Assigned
X3K-Prefix Unallocated/Not Assigned
X3L-Prefix Unallocated/Not Assigned
X3MVirginiaAnthem Blue-Cross Blue-Shield of Virginia
X3N-Prefix Unallocated/Not Assigned
X3O-Prefix Unallocated/Not Assigned
X3P-Prefix Unallocated/Not Assigned
X3Q-Prefix Unallocated/Not Assigned
X3R-Prefix Unallocated/Not Assigned
X3S-Prefix Unallocated/Not Assigned
X3TCaliforniaAnthem Blue-Cross
X3U-Prefix Unallocated/Not Assigned
X3V-Prefix Unallocated/Not Assigned
X3W-Prefix Unallocated/Not Assigned
X3X-Prefix Unallocated/Not Assigned
X3Y-Prefix Unallocated/Not Assigned
X3Z-Prefix Unallocated/Not Assigned
X4ACaliforniaAnthem Blue-Cross
X4B-Prefix Unallocated/Not Assigned
X4CWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
X4DIndianaAnthem Blue-Cross Blue-Shield of Indiana
X4EOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
X4FOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
X4GOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
X4HCaliforniaAnthem Blue-Cross
X4I-Prefix Unallocated/Not Assigned
X4J-Prefix Unallocated/Not Assigned
X4K-Prefix Unallocated/Not Assigned
X4L-Prefix Unallocated/Not Assigned
X4MVirginiaAnthem Blue-Cross Blue-Shield of Virginia
X4NAlaskaPremera Blue-Cross Blue-Shield of Alaska
X4O-Prefix Unallocated/Not Assigned
X4P-Prefix Unallocated/Not Assigned
X4QAlaskaPremera Blue-Cross Blue-Shield of Alaska
X4ROregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
X4SOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
X4TOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
X4U-Prefix Unallocated/Not Assigned
X4VOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
X4WAlaskaPremera Blue-Cross Blue-Shield of Alaska
X4XColoradoAnthem Blue-Cross Blue-Shield of Colorado
X4Y-Prefix Unallocated/Not Assigned
X4ZWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
X5ACaliforniaAnthem Blue-Cross
X5BConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X5CVirginiaAnthem Blue-Cross Blue-Shield of Virginia
X5D-Prefix Unallocated/Not Assigned
X5E-Prefix Unallocated/Not Assigned
X5F-Prefix Unallocated/Not Assigned
X5G-Prefix Unallocated/Not Assigned
X5H-Prefix Unallocated/Not Assigned
X5I-Prefix Unallocated/Not Assigned
X5J-Prefix Unallocated/Not Assigned
X5K-Prefix Unallocated/Not Assigned
X5L-Prefix Unallocated/Not Assigned
X5MVirginiaAnthem Blue-Cross Blue-Shield of Virginia
X5N-Prefix Unallocated/Not Assigned
X5O-Prefix Unallocated/Not Assigned
X5PConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X5Q-Prefix Unallocated/Not Assigned
X5R-Prefix Unallocated/Not Assigned
X5S-Prefix Unallocated/Not Assigned
X5TConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X5U-Prefix Unallocated/Not Assigned
X5V-Prefix Unallocated/Not Assigned
X5W-Prefix Unallocated/Not Assigned
X5X-Prefix Unallocated/Not Assigned
X5Y-Prefix Unallocated/Not Assigned
X5Z-Prefix Unallocated/Not Assigned
X6AColoradoAnthem Blue-Cross Blue-Shield of Colorado
X6BIndianaAnthem Blue-Cross Blue-Shield of Indiana
X6CIndianaAnthem Blue-Cross Blue-Shield of Indiana
X6DIndianaAnthem Blue-Cross Blue-Shield of Indiana
X6EIndianaAnthem Blue-Cross Blue-Shield of Indiana
X6FAlaskaPremera Blue-Cross Blue-Shield of Alaska
X6GConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X6HIndianaAnthem Blue-Cross Blue-Shield of Indiana
X6I-Prefix Unallocated/Not Assigned
X6JIndianaAnthem Blue-Cross Blue-Shield of Indiana
X6KIndianaAnthem Blue-Cross Blue-Shield of Indiana
X6LIndianaAnthem Blue-Cross Blue-Shield of Indiana
X6MVirginiaAnthem Blue-Cross Blue-Shield of Virginia
X6NIndianaAnthem Blue-Cross Blue-Shield of Indiana
X6O-Prefix Unallocated/Not Assigned
X6PIndianaAnthem Blue-Cross Blue-Shield of Indiana
X6QIndianaAnthem Blue-Cross Blue-Shield of Indiana
X6RIndianaAnthem Blue-Cross Blue-Shield of Indiana
X6SIndianaAnthem Blue-Cross Blue-Shield of Indiana
X6TConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X6UIndianaAnthem Blue-Cross Blue-Shield of Indiana
X6VIndianaAnthem Blue-Cross Blue-Shield of Indiana
X6W-Prefix Unallocated/Not Assigned
X6X-Prefix Unallocated/Not Assigned
X6Y-Prefix Unallocated/Not Assigned
X6Z-Prefix Unallocated/Not Assigned
X7AConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X7BConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X7CConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X7DConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X7EConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X7FConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X7GConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X7HConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X7I-Prefix Unallocated/Not Assigned
X7JConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X7KConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X7LConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X7MConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X7NConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X7O-Prefix Unallocated/Not Assigned
X7PConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
X7Q-Prefix Unallocated/Not Assigned
X7R-Prefix Unallocated/Not Assigned
X7S-Prefix Unallocated/Not Assigned
X7T-Prefix Unallocated/Not Assigned
X7U-Prefix Unallocated/Not Assigned
X7V-Prefix Unallocated/Not Assigned
X7WAlaskaPremera Blue-Cross Blue-Shield of Alaska
X7X-Prefix Unallocated/Not Assigned
X7YAlaskaPremera Blue-Cross Blue-Shield of Alaska
X7Z-Prefix Unallocated/Not Assigned
X8ACaliforniaAnthem Blue-Cross
X8BCaliforniaAnthem Blue-Cross
X8COregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
X8D-Prefix Unallocated/Not Assigned
X8E-Prefix Unallocated/Not Assigned
X8F-Prefix Unallocated/Not Assigned
X8G-Prefix Unallocated/Not Assigned
X8H-Prefix Unallocated/Not Assigned
X8I-Prefix Unallocated/Not Assigned
X8J-Prefix Unallocated/Not Assigned
X8K-Prefix Unallocated/Not Assigned
X8LOhioAnthem Blue-Cross Blue-Shield of Ohio
X8MCaliforniaAnthem Blue-Cross
X8N-Prefix Unallocated/Not Assigned
X8O-Prefix Unallocated/Not Assigned
X8P-Prefix Unallocated/Not Assigned
X8Q-Prefix Unallocated/Not Assigned
X8R-Prefix Unallocated/Not Assigned
X8SCaliforniaAnthem Blue-Cross
X8T-Prefix Unallocated/Not Assigned
X8U-Prefix Unallocated/Not Assigned
X8V-Prefix Unallocated/Not Assigned
X8W-Prefix Unallocated/Not Assigned
X8X-Prefix Unallocated/Not Assigned
X8Y-Prefix Unallocated/Not Assigned
X8Z-Prefix Unallocated/Not Assigned
X9ACaliforniaAnthem Blue-Cross
X9BCaliforniaAnthem Blue-Cross
X9C-Prefix Unallocated/Not Assigned
X9DCaliforniaAnthem Blue-Cross
X9E-Prefix Unallocated/Not Assigned
X9F-Prefix Unallocated/Not Assigned
X9GCaliforniaAnthem Blue-Cross
X9H-Prefix Unallocated/Not Assigned
X9I-Prefix Unallocated/Not Assigned
X9J-Prefix Unallocated/Not Assigned
X9K-Prefix Unallocated/Not Assigned
X9L-Prefix Unallocated/Not Assigned
X9MCaliforniaAnthem Blue-Cross
X9N-Prefix Unallocated/Not Assigned
X9O-Prefix Unallocated/Not Assigned
X9PWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
X9Q-Prefix Unallocated/Not Assigned
X9R-Prefix Unallocated/Not Assigned
X9SCaliforniaAnthem Blue-Cross
X9T-Prefix Unallocated/Not Assigned
X9U-Prefix Unallocated/Not Assigned
X9V-Prefix Unallocated/Not Assigned
X9W-Prefix Unallocated/Not Assigned
X9X-Prefix Unallocated/Not Assigned
X9Y-Prefix Unallocated/Not Assigned
X9Z-Prefix Unallocated/Not Assigned

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