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.

NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX: 624

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-624 A Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-624 0 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236      
571-624 1 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236      
571-624 2 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236      
571-624 3 Washington Zone 8 VA ARTNVAARDS2  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236      
571-624 4 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-624 5 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-624 6 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-624 7 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-624 8 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-624 9 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.