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: 609

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-609 A Alexander IA DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-609 3 Alexander IA DESMIADTX1X  624H ONVOY SPECTRUM, LLC 632   2021-07-17   
641-609 4 Alexander IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2020-11-19   
641-609 5 Alexander IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2020-11-19   
641-609 6 Alexander IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2018-12-23   
641-609 7 Alexander IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2018-12-25   
641-609 8 Alexander IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2019-10-27   

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

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