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: 580

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-580 A Latimer IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-580 0 Latimer IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-580 1 Latimer IA   145J TERRA NOVA TELECOM INC. 632   2025-05-27   
641-580 2 Latimer IA   145J TERRA NOVA TELECOM INC. 632   2026-01-04   
641-580 4 Latimer IA   221F ONVOY, LLC - IA 632   2021-04-16   
641-580 5 Latimer IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-580 6 Latimer IA   221F ONVOY, LLC - IA 632   2021-04-16   
641-580 7 Latimer IA   221F ONVOY, LLC - IA 632   2019-10-28   

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

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