Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: WASHDCRK2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
703-890 A Washington Zone 19 VA 4160 ALLEGIANCE TELECOM OF VIRGINIA, INC. 236      
703-891 A Washington Zone 17 VA 4160 ALLEGIANCE TELECOM OF VIRGINIA, INC. 236      
703-894 A Washington Zone 8 VA 4160 ALLEGIANCE TELECOM OF VIRGINIA, INC. 236      
703-951 A Braddock VA 4160 ALLEGIANCE TELECOM OF VIRGINIA, INC. 236      
703-952 A Engleside VA 4160 ALLEGIANCE TELECOM OF VIRGINIA, INC. 236      
703-964 A Herndon VA 4160 ALLEGIANCE TELECOM OF VIRGINIA, INC. 236      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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