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: 730

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-730 A Washington Zone 17 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236      
571-730 0 Washington Zone 17 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2014-12-05   
571-730 1 Washington Zone 17 VA WASHDCCZDS1  4772 XO VIRGINIA, LLC 236   2007-04-11   
571-730 2 Washington Zone 17 VA WASHDCCZDS1  4772 XO VIRGINIA, LLC 236   2007-04-11   
571-730 3 Washington Zone 17 VA WASJDCDCDS0  4005 GLOBAL CROSSING TELEMANAGEMENT, INC. - VA 236   2007-05-03   
571-730 4 Washington Zone 17 VA FLCHVA19DS0  7189 COX VIRGINIA TELCOM, INC. - VA 236   2007-05-23   
571-730 5 Washington Zone 17 VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2007-05-06   
571-730 6 Washington Zone 17 VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2007-05-06   
571-730 7 Washington Zone 17 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2007-02-05   
571-730 8 Washington Zone 17 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2007-02-06   
571-730 9 Washington Zone 17 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2007-10-21   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.