Local Calling Guide

Area code/prefix search

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

NXX: 903

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-903 A Mason City IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-903 0 Mason City IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2019-10-17   
641-903 1 Mason City IA CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632   2007-03-30   
641-903 2 Mason City IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2014-10-19   
641-903 3 Mason City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2016-07-11   
641-903 4 Mason City IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2017-09-22   
641-903 5 Mason City IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2015-12-02   
641-903 6 Mason City IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2008-04-28   
641-903 7 Mason City IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2008-02-25   
641-903 8 Mason City IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2007-04-15   
641-903 9 Mason City IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2007-04-15   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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