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: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-204 A Washington Zone 19 VA FRFXVACLDS0  9213 VERIZON VIRGINIA, INC. 236      
571-204 0 Washington Zone 19 VA FRFXVACLDS0  9213 VERIZON VIRGINIA, INC. 236   2005-02-03   
571-204 1 Washington Zone 19 VA FRFXVACLDS0  9213 VERIZON VIRGINIA, INC. 236   2005-02-03   
571-204 2 Washington Zone 19 VA FRFXVACLDS0  9213 VERIZON VIRGINIA, INC. 236   2005-02-03   
571-204 3 Washington Zone 19 VA FRFXVACLDS0  9213 VERIZON VIRGINIA, INC. 236   2005-02-03   
571-204 4 Washington Zone 19 VA FRFXVACLDS0  9213 VERIZON VIRGINIA, INC. 236   2005-02-03   
571-204 5 Washington Zone 19 VA FRFXVACLDS0  9213 VERIZON VIRGINIA, INC. 236   2005-02-03   
571-204 6 Washington Zone 19 VA FRFXVACLDS0  9213 VERIZON VIRGINIA, INC. 236   2005-02-03   
571-204 7 Washington Zone 19 VA FRFXVACLDS0  9213 VERIZON VIRGINIA, INC. 236   2005-02-03   
571-204 8 Washington Zone 19 VA FRFXVACLDS0  9213 VERIZON VIRGINIA, INC. 236   2005-02-03   
571-204 9 Washington Zone 19 VA FRFXVACLDS0  9213 VERIZON VIRGINIA, INC. 236   2005-02-03   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.