BCBS Prefix List M2A to M9Z

Blue Cross Blue Shield Provider Phone Number
Blue Cross Blue Shield Federal Phone Number
BCBS Prefix List 2021 - Alpha NumericState LookupBCBS Company
M2A-Unallocated/Not Assigned
M2B-Unallocated/Not Assigned
M2CIllinoisBlue-Cross Blue-Shield of Illinois
M2DIllinoisBlue-Cross Blue-Shield of Illinois
M2ETexasBlue-Cross Blue-Shield of Texas
M2FTexasBlue-Cross Blue-Shield of Texas
M2GTexasBlue-Cross Blue-Shield of Texas
M2HOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
M2INew York (Western)Blue-Cross Blue-Shield of Western New York
M2JIllinoisBlue-Cross Blue-Shield of Illinois
M2KArizonaBlue-Cross Blue-Shield of Arizona
M2LMassachusettsBlue-Cross Blue-Shield of Massachusetts
M2MCaliforniaAnthem Blue-Cross
M2NWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
M2O-Unallocated/Not Assigned
M2POregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
M2QWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
M2RTexasBlue-Cross Blue-Shield of Texas
M2SIllinoisBlue-Cross Blue-Shield of Illinois
M2TOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
M2UWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
M2VArizonaBlue-Cross Blue-Shield of Arizona
M2WRhode IslandBlue-Cross Blue-Shield of Rhode Island
M2XMontanaBlue-Cross Blue-Shield of Montana
M2YOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
M2ZWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
M3AKansasBlue-Cross Blue-Shield of Kansas
M3BNew York (Western)Blue-Cross Blue-Shield of Western New York
M3CRhode IslandBlue-Cross Blue-Shield of Rhode Island
M3DOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
M3EIllinoisBlue-Cross Blue-Shield of Illinois
M3FTexasBlue-Cross Blue-Shield of Texas
M3GRhode IslandBlue-Cross Blue-Shield of Rhode Island
M3HMinnesotaBlue-Cross Blue-Shield of Minnesota
M3I-Unallocated/Not Assigned
M3JNew YorkEmpire Blue-Cross Blue-Shield of New York
M3KWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
M3LMichiganBlue-Cross Blue-Shield of Michigan
M3MOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
M3NMaineAnthem Blue-Cross Blue-Shield of Maine
M3OVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M3PArizonaBlue-Cross Blue-Shield of Arizona
M3QOhioAnthem Blue-Cross Blue-Shield of Ohio
M3RTexasBlue-Cross Blue-Shield of Texas
M3SIllinoisBlue-Cross Blue-Shield of Illinois
M3TGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
M3UIndianaAnthem Blue-Cross Blue-Shield of Indiana
M3VArizonaBlue-Cross Blue-Shield of Arizona
M3WOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
M3XWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
M3YGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
M3ZGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
M4APennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
M4BPennsylvaniaHighmark Blue-Shield of Pennsylvania
M4CKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
M4DOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
M4ETexasBlue-Cross Blue-Shield of Texas
M4FTexasBlue-Cross Blue-Shield of Texas
M4GVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M4HMissouriAnthem Blue-Cross Blue-Shield of Missouri
M4I-Unallocated/Not Assigned
M4JPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
M4KArizonaBlue-Cross Blue-Shield of Arizona
M4LPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
M4MMissouriAnthem Blue-Cross Blue-Shield of Missouri
M4NVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M4O-Unallocated/Not Assigned
M4PTexasBlue-Cross Blue-Shield of Texas
M4QMichiganBlue-Cross Blue-Shield of Michigan
M4RNew York (Northeastern)Blue-Shield of Northeastern New York
M4SIllinoisBlue-Cross Blue-Shield of Illinois
M4TOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
M4UMinnesotaBlue-Cross Blue-Shield of Minnesota
M4VNorth DakotaBlue-Cross Blue-Shield of North Dakota
M4WWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
M4XMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
M4YIdahoBlue-Cross of Idaho
M4ZTexasBlue-Cross Blue-Shield of Texas
M5AMinnesotaBlue-Cross Blue-Shield of Minnesota
M5BOhioAnthem Blue-Cross Blue-Shield of Ohio
M5CMissouriAnthem Blue-Cross Blue-Shield of Missouri
M5DMissouriAnthem Blue-Cross Blue-Shield of Missouri
M5EMissouriAnthem Blue-Cross Blue-Shield of Missouri
M5FTexasBlue-Cross Blue-Shield of Texas
M5GMichiganBlue-Cross Blue-Shield of Michigan
M5HTexasBlue-Cross Blue-Shield of Texas
M5ICaliforniaAnthem Blue-Cross
M5JMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
M5KIllinoisBlue-Cross Blue-Shield of Illinois
M5LPennsylvaniaIndependence Blue-Cross of Pennsylvania
M5MTexasBlue-Cross Blue-Shield of Texas
M5NMassachusettsBlue-Cross Blue-Shield of Massachusetts
M5O-Unallocated/Not Assigned
M5PMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
M5QGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
M5RNew York (Western)Blue-Cross Blue-Shield of Western New York
M5STexasBlue-Cross Blue-Shield of Texas
M5TMassachusettsBlue-Cross Blue-Shield of Massachusetts
M5UCaliforniaAnthem Blue-Cross
M5VMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
M5WVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M5XIllinoisBlue-Cross Blue-Shield of Illinois
M5YOklahomaBlue-Cross Blue-Shield of Oklahoma
M5ZColoradoAnthem Blue-Cross Blue-Shield of Colorado
M6ATexasBlue-Cross Blue-Shield of Texas
M6BNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
M6CNew YorkEmpire Blue-Cross Blue-Shield of New York
M6DMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
M6ENew YorkEmpire Blue-Cross Blue-Shield of New York
M6FTexasBlue-Cross Blue-Shield of Texas
M6GNew YorkEmpire Blue-Cross Blue-Shield of New York
M6HNew YorkEmpire Blue-Cross Blue-Shield of New York
M6I-Unallocated/Not Assigned
M6JIndianaAnthem Blue-Cross Blue-Shield of Indiana
M6KVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M6LVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M6MKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
M6NMinnesotaBlue-Cross Blue-Shield of Minnesota
M6OVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M6PMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
M6QOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
M6RMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
M6SIllinoisBlue-Cross Blue-Shield of Illinois
M6TMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
M6UOhioAnthem Blue-Cross Blue-Shield of Ohio
M6VNevadaAnthem Blue-Cross Blue-Shield of Nevada
M6WWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
M6XWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
M6YNew YorkEmpire Blue-Cross Blue-Shield of New York
M6ZMissouriAnthem Blue-Cross Blue-Shield of Missouri
M7ACaliforniaAnthem Blue-Cross
M7BAlaskaPremera Blue-Cross Blue-Shield of Alaska
M7CNew YorkEmpire Blue-Cross Blue-Shield of New York
M7DNorth DakotaBlue-Cross Blue-Shield of North Dakota
M7ECaliforniaAnthem Blue-Cross
M7FTexasBlue-Cross Blue-Shield of Texas
M7GIndianaAnthem Blue-Cross Blue-Shield of Indiana
M7HIndianaAnthem Blue-Cross Blue-Shield of Indiana
M7I-Unallocated/Not Assigned
M7JIndianaAnthem Blue-Cross Blue-Shield of Indiana
M7KIndianaAnthem Blue-Cross Blue-Shield of Indiana
M7LMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
M7MColoradoAnthem Blue-Cross Blue-Shield of Colorado
M7NVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M7OVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M7POhioAnthem Blue-Cross Blue-Shield of Ohio
M7QGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
M7RMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
M7SIllinoisBlue-Cross Blue-Shield of Illinois
M7TCaliforniaAnthem Blue-Cross
M7UIndianaAnthem Blue-Cross Blue-Shield of Indiana
M7VMissouriAnthem Blue-Cross Blue-Shield of Missouri
M7WIndianaAnthem Blue-Cross Blue-Shield of Indiana
M7XKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
M7Y-Unallocated/Not Assigned
M7ZMaineAnthem Blue-Cross Blue-Shield of Maine
M8AColoradoAnthem Blue-Cross Blue-Shield of Colorado
M8BIllinoisBlue-Cross Blue-Shield of Illinois
M8CMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
M8DMaineAnthem Blue-Cross Blue-Shield of Maine
M8EIndianaAnthem Blue-Cross Blue-Shield of Indiana
M8FTexasBlue-Cross Blue-Shield of Texas
M8GVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M8HNew YorkEmpire Blue-Cross Blue-Shield of New York
M8I-Unallocated/Not Assigned
M8JVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M8KTexasBlue-Cross Blue-Shield of Texas
M8LCaliforniaAnthem Blue-Cross
M8MIndianaAnthem Blue-Cross Blue-Shield of Indiana
M8NVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M8O-Unallocated/Not Assigned
M8PMinnesotaBlue-Cross Blue-Shield of Minnesota
M8QGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
M8RVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M8SIllinoisBlue-Cross Blue-Shield of Illinois
M8TIllinoisBlue-Cross Blue-Shield of Illinois
M8UIndianaAnthem Blue-Cross Blue-Shield of Indiana
M8VConnecticutAnthem Blue-Cross Blue-Shield of Connecticut
M8WMaineAnthem Blue-Cross Blue-Shield of Maine
M8XNew HampshireAnthem Blue-Cross Blue-Shield of New Hampshire
M8YTexasBlue-Cross Blue-Shield of Texas
M8ZVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M9ANew YorkEmpire Blue-Cross Blue-Shield of New York
M9BIllinoisBlue-Cross Blue-Shield of Illinois
M9CNew YorkEmpire Blue-Cross Blue-Shield of New York
M9DVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M9EMaineAnthem Blue-Cross Blue-Shield of Maine
M9FTexasBlue-Cross Blue-Shield of Texas
M9GVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M9HIllinoisBlue-Cross Blue-Shield of Illinois
M9I-Unallocated/Not Assigned
M9JVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M9KTexasBlue-Cross Blue-Shield of Texas
M9LTexasBlue-Cross Blue-Shield of Texas
M9MVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M9NCaliforniaAnthem Blue-Cross
M9OVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M9PIndianaAnthem Blue-Cross Blue-Shield of Indiana
M9QGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
M9RCaliforniaAnthem Blue-Cross
M9SIllinoisBlue-Cross Blue-Shield of Illinois
M9TTexasBlue-Cross Blue-Shield of Texas
M9UGeorgiaAnthem Blue-Cross Blue-Shield of Georgia
M9V-Unallocated/Not Assigned
M9WVirginiaAnthem Blue-Cross Blue-Shield of Virginia
M9X-Couple Health
M9Y-Couple Health
M9Z-Couple Health

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