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: 785

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-785 A Benton IA BNTNIAXPRP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-785 1 Benton IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-785 2 Benton IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-785 3 Benton IA   221F ONVOY, LLC - IA 632   2021-05-10   
641-785 4 Benton IA   221F ONVOY, LLC - IA 632   2020-11-19   
641-785 5 Benton IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-14   
641-785 6 Benton IA   221F ONVOY, LLC - IA 632   2019-11-29   
641-785 7 Benton IA   508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-07-01   
641-785 8 Benton IA   1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-785 9 Benton IA   624H ONVOY SPECTRUM, LLC 632   2024-03-09   

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

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