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: 483

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-483 A Washington Zone 8 VA ARTNVACYDS0  9213 VERIZON VIRGINIA, INC. 236      
571-483 0 Washington Zone 8 VA ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
571-483 1 Washington Zone 8 VA TYCRVA03AMD  8357 US LEC OF VIRGININA, LLC 236      
571-483 2 Washington Zone 8 VA TYCRVA03AMD  8357 US LEC OF VIRGININA, LLC 236      
571-483 3 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236      
571-483 4 Washington Zone 8 VA TYCRVA03AMD  8357 US LEC OF VIRGININA, LLC 236      
571-483 5 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236      
571-483 6 Washington Zone 8 VA WASLDCRGDS0  367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 236      
571-483 7 Washington Zone 8 VA ARTNVACYDS0  9213 VERIZON VIRGINIA, INC. 236      
571-483 8 Washington Zone 8 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236      
571-483 9 Washington Zone 8 VA WASLDCRGDS0  367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 236      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.