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: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 583

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-583 A Manly IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      
641-583 0 Manly IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      
641-583 1 Manly IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      
641-583 2 Manly IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2004-12-05   
641-583 3 Manly IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2006-10-12   
641-583 4 Manly IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-23   
641-583 5 Manly IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2007-10-15   
641-583 6 Manly IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2015-07-23   
641-583 7 Manly IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2008-08-29   
641-583 8 Manly IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2011-04-04   
641-583 9 Manly IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2014-11-22   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.