Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Farson, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-284 A KNVLIAXCPMD  624H ONVOY SPECTRUM, LLC 632   2024-07-07   
641-284 0   624H ONVOY SPECTRUM, LLC 632   2024-07-07   
641-655 A FASNIAXORL0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-655 0   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-655 1   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-655 2   221F ONVOY, LLC - IA 632   2021-04-22   
641-655 3   221F ONVOY, LLC - IA 632   2020-11-19   
641-655 4   221F ONVOY, LLC - IA 632   2019-11-29   
641-655 5   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-655 6   508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-31   
641-655 7   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-655 8   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-655 9   221F ONVOY, LLC - IA 632   2021-04-22   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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