Local Calling Guide

Area code/prefix search

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NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 501

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-501 A Montezuma IA MTZMIAXOPS0  1248 WINDSTREAM MONTEZUMA, LLC 632      
641-501 0 Montezuma IA DESMIAITGT5  444G AUREON COMMUNICATIONS, LLC 632   2024-10-31   
641-501 6 Montezuma IA OSKLIA14DS0  916A MAHASKA COMMUNICATION GROUP, LLC - IA 632   2019-01-16   
641-501 7 Montezuma IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2023-11-05   
641-501 8 Montezuma IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2021-08-20   
641-501 9 Montezuma IA MTZMIAXOPS0  1248 WINDSTREAM MONTEZUMA, LLC 632   2018-08-20   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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