BCBS Prefix List S2A to S9Z

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
S2ANew York (Western)Blue-Cross Blue-Shield of Western New York
S2BIllinoisBlue-Cross Blue-Shield of Illinois
S2CIllinoisBlue-Cross Blue-Shield of Illinois
S2DTexasBlue-Cross Blue-Shield of Texas
S2EIllinoisBlue-Cross Blue-Shield of Illinois
S2FIllinoisBlue-Cross Blue-Shield of Illinois
S2GTexasBlue-Cross Blue-Shield of Texas
S2HAlabamaBlue-Cross Blue-Shield of Alabama
S2IWisconsinAnthem Blue-Cross Blue-Shield of Wisconsin
S2JIllinoisBlue-Cross Blue-Shield of Illinois
S2KTexasBlue-Cross Blue-Shield of Texas
S2LIllinoisBlue-Cross Blue-Shield of Illinois
S2MOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
S2N-Prefix Unallocated/Not Assigned
S2O-Prefix Unallocated/Not Assigned
S2PIllinoisBlue-Cross Blue-Shield of Illinois
S2QMassachusettsBlue-Cross Blue-Shield of Massachusetts
S2RIllinoisBlue-Cross Blue-Shield of Illinois
S2SPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
S2TIllinoisBlue-Cross Blue-Shield of Illinois
S2U-Prefix Unallocated/Not Assigned
S2VIllinoisBlue-Cross Blue-Shield of Illinois
S2W-Prefix Unallocated/Not Assigned
S2XTexasBlue-Cross Blue-Shield of Texas
S2YIllinoisBlue-Cross Blue-Shield of Illinois
S2ZTexasBlue-Cross Blue-Shield of Texas
S3ANew York (Northeastern)Blue-Shield of Northeastern New York
S3BAlaskaPremera Blue-Cross Blue-Shield of Alaska
S3CPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
S3DIllinoisBlue-Cross Blue-Shield of Illinois
S3EIllinoisBlue-Cross Blue-Shield of Illinois
S3FIllinoisBlue-Cross Blue-Shield of Illinois
S3GAlaskaPremera Blue-Cross of Alaska
S3HTexasBlue-Cross Blue-Shield of Texas
S3I-Prefix Unallocated/Not Assigned
S3JMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
S3KTexasBlue-Cross Blue-Shield of Texas
S3LIllinoisBlue-Cross Blue-Shield of Illinois
S3MIllinoisBlue-Cross Blue-Shield of Illinois
S3NPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
S3OPennsylvaniaHighmark Blue-Shield of Pennsylvania
S3PIllinoisBlue-Cross Blue-Shield of Illinois
S3QCaliforniaAnthem Blue-Cross
S3RPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
S3SPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
S3TNew York (Western)Blue-Cross Blue-Shield of Western New York
S3UDelawareHighmark Blue-Cross Blue-Shield of Delaware
S3VPennsylvaniaHighmark Blue-Shield of Pennsylvania
S3W-Prefix Unallocated/Not Assigned
S3X-Prefix Unallocated/Not Assigned
S3YMassachusettsBlue-Cross Blue-Shield of Massachusetts
S3ZArizonaBlue-Cross Blue-Shield of Arizona
S4AAlaskaPremera Blue-Cross of Alaska
S4BAlaskaPremera Blue-Cross Blue-Shield of Alaska
S4CAlaskaPremera Blue-Cross of Alaska
S4D-Prefix Unallocated/Not Assigned
S4EAlaskaPremera Blue-Cross Blue-Shield of Alaska
S4FIllinoisBlue-Cross Blue-Shield of Illinois
S4GMassachusettsBlue-Cross Blue-Shield of Massachusetts
S4HMissouriAnthem Blue-Cross Blue-Shield of Missouri
S4I-Prefix Unallocated/Not Assigned
S4JMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
S4KPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
S4LIllinoisBlue-Cross Blue-Shield of Illinois
S4MIllinoisBlue-Cross Blue-Shield of Illinois
S4NIllinoisBlue-Cross Blue-Shield of Illinois
S4O-Prefix Unallocated/Not Assigned
S4PIllinoisBlue-Cross Blue-Shield of Illinois
S4Q-Prefix Unallocated/Not Assigned
S4RNew YorkEmpire Blue-Cross Blue-Shield of New York
S4SPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
S4TMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
S4UTexasBlue-Cross Blue-Shield of Texas
S4VAlaskaPremera Blue-Cross of Alaska
S4WOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
S4X-Prefix Unallocated/Not Assigned
S4Y-Prefix Unallocated/Not Assigned
S4Z-Prefix Unallocated/Not Assigned
S5ATexasBlue-Cross Blue-Shield of Texas
S5B-Prefix Unallocated/Not Assigned
S5CMassachusettsBlue-Cross Blue-Shield of Massachusetts
S5D-Prefix Unallocated/Not Assigned
S5ETexasBlue-Cross Blue-Shield of Texas
S5F-Prefix Unallocated/Not Assigned
S5GIndianaAnthem Blue-Cross Blue-Shield of Indiana
S5HMissouriAnthem Blue-Cross Blue-Shield of Missouri
S5I-Prefix Unallocated/Not Assigned
S5J-Prefix Unallocated/Not Assigned
S5K-Prefix Unallocated/Not Assigned
S5LIllinoisBlue-Cross Blue-Shield of Illinois
S5MIllinoisBlue-Cross Blue-Shield of Illinois
S5N-Prefix Unallocated/Not Assigned
S5O-Prefix Unallocated/Not Assigned
S5PMinnesotaBlue-Cross Blue-Shield of Minnesota
S5Q-Prefix Unallocated/Not Assigned
S5R-Prefix Unallocated/Not Assigned
S5SPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
S5TIllinoisBlue-Cross Blue-Shield of Illinois
S5UTexasBlue-Cross Blue-Shield of Texas
S5VPennsylvaniaCapital Blue-Cross of Pennsylvania
S5W-Prefix Unallocated/Not Assigned
S5X-Prefix Unallocated/Not Assigned
S5Y-Prefix Unallocated/Not Assigned
S5Z-Prefix Unallocated/Not Assigned
S6ATexasBlue-Cross Blue-Shield of Texas
S6BIllinoisBlue-Cross Blue-Shield of Illinois
S6CVirginiaAnthem Blue-Cross Blue-Shield of Virginia
S6D-Prefix Unallocated/Not Assigned
S6ETexasBlue-Cross Blue-Shield of Texas
S6F-Prefix Unallocated/Not Assigned
S6G-Prefix Unallocated/Not Assigned
S6HMinnesotaBlue-Cross Blue-Shield of Minnesota
S6I-Prefix Unallocated/Not Assigned
S6J-Prefix Unallocated/Not Assigned
S6KOhioAnthem Blue-Cross Blue-Shield of Ohio
S6LTexasBlue-Cross Blue-Shield of Texas
S6MKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
S6N-Prefix Unallocated/Not Assigned
S6O-Prefix Unallocated/Not Assigned
S6POregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
S6QNew YorkEmpire Blue-Cross Blue-Shield of New York
S6RMaineAnthem Blue-Cross Blue-Shield of Maine
S6SPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
S6TMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
S6UTexasBlue-Cross Blue-Shield of Texas
S6V-Prefix Unallocated/Not Assigned
S6WOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
S6X-Prefix Unallocated/Not Assigned
S6YIllinoisBlue-Cross Blue-Shield of Illinois
S6Z-Prefix Unallocated/Not Assigned
S7AMissouriAnthem Blue-Cross Blue-Shield of Missouri
S7BMissouriAnthem Blue-Cross Blue-Shield of Missouri
S7CMissouriAnthem Blue-Cross Blue-Shield of Missouri
S7D-Prefix Unallocated/Not Assigned
S7EOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
S7F-Prefix Unallocated/Not Assigned
S7GVirginiaAnthem Blue-Cross Blue-Shield of Virginia
S7H-Prefix Unallocated/Not Assigned
S7I-Prefix Unallocated/Not Assigned
S7J-Prefix Unallocated/Not Assigned
S7K-Prefix Unallocated/Not Assigned
S7LOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
S7MMaryland/District of Columbia/Northern VirginiaCarefirst Blue-Cross Blue-Shield
S7N-Prefix Unallocated/Not Assigned
S7O-Prefix Unallocated/Not Assigned
S7P-Prefix Unallocated/Not Assigned
S7Q-Prefix Unallocated/Not Assigned
S7R-Prefix Unallocated/Not Assigned
S7SPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
S7TIllinoisBlue-Cross Blue-Shield of Illinois
S7UTexasBlue-Cross Blue-Shield of Texas
S7V-Prefix Unallocated/Not Assigned
S7W-Prefix Unallocated/Not Assigned
S7X-Prefix Unallocated/Not Assigned
S7Y-Prefix Unallocated/Not Assigned
S7Z-Prefix Unallocated/Not Assigned
S8AOhioAnthem Blue-Cross Blue-Shield of Ohio
S8B-Prefix Unallocated/Not Assigned
S8CNew YorkEmpire Blue-Cross Blue-Shield of New York
S8DIndianaAnthem Blue-Cross Blue-Shield of Indiana
S8EAlaskaPremera Blue-Cross Blue-Shield of Alaska
S8FIndianaAnthem Blue-Cross Blue-Shield of Indiana
S8GIndianaAnthem Blue-Cross Blue-Shield of Indiana
S8HIndianaAnthem Blue-Cross Blue-Shield of Indiana
S8I-Prefix Unallocated/Not Assigned
S8JIndianaAnthem Blue-Cross Blue-Shield of Indiana
S8KAlaskaPremera Blue-Cross Blue-Shield of Alaska
S8LIllinoisBlue-Cross Blue-Shield of Illinois
S8M-Prefix Unallocated/Not Assigned
S8NMinnesotaBlue-Cross Blue-Shield of Minnesota
S8O-Prefix Unallocated/Not Assigned
S8PIndianaAnthem Blue-Cross Blue-Shield of Indiana
S8Q-Prefix Unallocated/Not Assigned
S8R-Prefix Unallocated/Not Assigned
S8SPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
S8TMissouriAnthem Blue-Cross Blue-Shield of Missouri
S8U-Prefix Unallocated/Not Assigned
S8V-Prefix Unallocated/Not Assigned
S8W-Prefix Unallocated/Not Assigned
S8X-Prefix Unallocated/Not Assigned
S8YPennsylvaniaHighmark Blue-Cross Blue-Shield of Pennsylvania
S8Z-Prefix Unallocated/Not Assigned
S9A-Prefix Unallocated/Not Assigned
S9BAlaskaPremera Blue-Cross Blue-Shield of Alaska
S9CTexasBlue-Cross Blue-Shield of Texas
S9D-Prefix Unallocated/Not Assigned
S9E-Prefix Unallocated/Not Assigned
S9F-Prefix Unallocated/Not Assigned
S9G-Prefix Unallocated/Not Assigned
S9HOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
S9I-Prefix Unallocated/Not Assigned
S9J-Prefix Unallocated/Not Assigned
S9K-Prefix Unallocated/Not Assigned
S9LOregon/Idaho/Utah/WashingtonRegence Blue-Cross Blue-Shield
S9MMichiganBlue-Cross Blue-Shield of Michigan
S9N-Prefix Unallocated/Not Assigned
S9O-Prefix Unallocated/Not Assigned
S9P-Prefix Unallocated/Not Assigned
S9Q-Prefix Unallocated/Not Assigned
S9ROhioAnthem Blue-Cross Blue-Shield of Ohio
S9SPennsylvaniaIndependence Blue-Cross of Philadelphia and Southeastern Pennsylvania
S9TKentuckyAnthem Blue-Cross Blue-Shield of Kentucky
S9U-Prefix Unallocated/Not Assigned
S9V-Prefix Unallocated/Not Assigned
S9W-Prefix Unallocated/Not Assigned
S9X-Prefix Unallocated/Not Assigned
S9Y-Prefix Unallocated/Not Assigned
S9Z-Prefix Unallocated/Not Assigned