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: 406

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-406 A Meservey IA DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-406 1 Meservey IA DESMIADTX7X  751F MCC TELEPHONY OF IOWA, LLC - IA 632   2021-07-31   
641-406 2 Meservey IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2020-11-23   
641-406 3 Meservey IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2020-11-23   
641-406 4 Meservey IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2018-12-23   
641-406 5 Meservey IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2020-08-31   
641-406 6 Meservey IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2020-08-31   
641-406 7 Meservey IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2018-12-25   
641-406 8 Meservey IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2019-10-28   

Last updated: Wed, 01 Jan 2025 02:39:49 UTC

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