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: 239

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-239 A Afton IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      
641-239 2 Afton IA   624H ONVOY SPECTRUM, LLC 632   2024-03-09   
641-239 4 Afton IA   221F ONVOY, LLC - IA 632   2021-04-22   
641-239 5 Afton IA   221F ONVOY, LLC - IA 632   2021-04-22   
641-239 9 Afton IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2021-04-17   

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

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