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: 200

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-200 A Charles City IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632      
641-200 0 Charles City IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2018-08-31   
641-200 1 Charles City IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2018-08-31   
641-200 2 Charles City IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2026-03-27   
641-200 3 Charles City IA DESMIADTX5X  8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 632   2018-10-11   
641-200 4 Charles City IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2022-07-16   
641-200 5 Charles City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2023-11-01   
641-200 6 Charles City IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2019-09-20   
641-200 8 Charles City IA DESMIAITX8X  145J TERRA NOVA TELECOM INC. 632   2024-02-13   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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