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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: ARTNVAARXBY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-733 A Ashton MD 965H FRACTEL, LLC 236      
240-799 A Brandywine MD 965H FRACTEL, LLC 236      
240-922 A Washington Zone 11 MD 965H FRACTEL, LLC 236      
240-946 A Washington Zone 14 MD 965H FRACTEL, LLC 236      
571-504 A Engleside VA 965H FRACTEL, LLC 236      
571-544 A Washington Zone 19 VA 965H FRACTEL, LLC 236      
571-567 A Washington Zone 19 VA 965H FRACTEL, LLC 236      
571-677 A Dale City VA 965H FRACTEL, LLC 236      
571-755 A Haymarket VA 965H FRACTEL, LLC 236      
571-786 A Herndon VA 965H FRACTEL, LLC 236      
571-877 A Lorton Metro VA 965H FRACTEL, LLC 236      
571-899 A Washington Zone 17 VA 965H FRACTEL, LLC 236      
571-946 A Manassas VA 965H FRACTEL, LLC 236      
571-977 A Washington Zone 8 VA 965H FRACTEL, LLC 236      
771-444 A Washington Zone 1 DC 965H FRACTEL, LLC 236      
771-777 A Washington Zone 1 DC 965H FRACTEL, LLC 236      
771-999 A Washington Zone 1 DC 965H FRACTEL, LLC 236      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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