Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-933 A FRMTIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-933 0   624H ONVOY SPECTRUM, LLC 632   2024-03-09   
641-933 1   1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-933 2   221F ONVOY, LLC - IA 632   2019-11-29   
641-933 3   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-933 4   1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-933 5   221F ONVOY, LLC - IA 632   2021-04-22   
641-933 6   916A MAHASKA COMMUNICATION GROUP, LLC - IA 632   2016-02-20   
641-933 7   508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-31   
641-933 8   221F ONVOY, LLC - IA 632   2021-04-22   
641-933 9   1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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