Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 599

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-599 A St Ansgar IA STANIAXOPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-599 4 St Ansgar IA GRNLIAXCMMD  624H ONVOY SPECTRUM, LLC 632   2024-03-08   
641-599 5 St Ansgar IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-16   
641-599 6 St Ansgar IA GRNLIAXCPMD  221F ONVOY, LLC - IA 632   2021-05-08   
641-599 7 St Ansgar IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-29   
641-599 9 St Ansgar IA STANIAXOPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632   2015-09-09   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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