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: 432

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-432 A Forest City IA FRCYIAXOPS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-432 1 Forest City IA   6529 T-MOBILE USA, INC. 632   2018-04-02   
641-432 2 Forest City IA   6529 T-MOBILE USA, INC. 632   2018-04-02   
641-432 3 Forest City IA   5562 METROPCS, INC. 632   2018-07-09   
641-432 4 Forest City IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2021-06-11   
641-432 5 Forest City IA   5562 METROPCS, INC. 632   2025-12-19   
641-432 6 Forest City IA   221F ONVOY, LLC - IA 632   2023-10-15   
641-432 7 Forest City IA   221F ONVOY, LLC - IA 632   2023-10-15   
641-432 8 Forest City IA   965H FRACTEL, LLC 632   2020-03-09   
641-432 9 Forest City IA   1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632   2016-09-25   

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

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