Local Calling Guide

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

NXX: 201

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-201 A Mason City IA   5562 METROPCS, INC. 632      
641-201 0 Mason City IA DESMIADTNMD  6664 SPRINT SPECTRUM, L.P. 632      
641-201 1 Mason City IA DESMIADTX7X  751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-04-15   
641-201 2 Mason City IA DESMIA72HMD  5562 METROPCS, INC. 632   2018-06-29   
641-201 3 Mason City IA DESMIADTX7X  751F MCC TELEPHONY OF IOWA, LLC - IA 632   2005-06-15   
641-201 4 Mason City IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2016-02-26   
641-201 5 Mason City IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2016-02-26   
641-201 6 Mason City IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2016-06-15   
641-201 7 Mason City IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS LLC 632   2017-03-24   
641-201 8 Mason City IA DESMIADTX7X  751F MCC TELEPHONY OF IOWA, LLC - IA 632   2012-07-28   
641-201 9 Mason City IA DESMIA72HMD  5562 METROPCS, INC. 632   2018-07-10   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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