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: 337

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-337 A Orient IA ORNTIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-337 0 Orient IA   624H ONVOY SPECTRUM, LLC 632   2024-03-09   
641-337 1 Orient IA ORNTIAXPRP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-337 2 Orient IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-337 3 Orient IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-337 4 Orient IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2019-11-29   
641-337 5 Orient IA ORNTIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-337 6 Orient IA DESMIAITGT5  444G AUREON COMMUNICATIONS, LLC 632   2018-11-04   
641-337 7 Orient IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-25   
641-337 8 Orient IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2020-11-23   
641-337 9 Orient IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-22   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.