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: 563 [Rate centres in NPA 563] [Dial plan for NPA 563]

NXX: 657

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-657 A Walcott IA DVNPIAEAFMD  7421 AT&T - LOCAL 634      
563-657 1 Walcott IA ELRGIAXO1MD  204A CS TECHNOLOGIES, INC. - IA 634   2017-03-12   
563-657 2 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
563-657 3 Walcott IA DVNPIAEADMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 634   2015-03-16   
563-657 5 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2021-03-14   
563-657 6 Walcott IA DVNPIAEAGMD  508J CENTURYLINK COMMUNICATIONS, LLC 634   2016-10-08   
563-657 7 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2013-12-09   
563-657 8 Walcott IA DVNPIADTGMD  221F ONVOY, LLC - IA 634   2013-12-09   
563-657 9 Walcott IA DVNPIAEAFMD  7421 AT&T - LOCAL 634   2012-03-03   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.