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: 210

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-210 A Mason City IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632      
641-210 0 Mason City IA   5562 METROPCS, INC. 632   2006-01-12   
641-210 1 Mason City IA   6529 T-MOBILE USA, INC. 632   2007-06-14   
641-210 2 Mason City IA   5562 METROPCS, INC. 632   2005-01-10   
641-210 3 Mason City IA   939H COMMIO, LLC 632   2023-05-07   
641-210 4 Mason City IA   3620 OMNITEL COMMUNICATIONS, INC. - IA 632   2006-09-03   
641-210 5 Mason City IA   6529 T-MOBILE USA, INC. 632   2006-10-20   
641-210 6 Mason City IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2017-11-25   
641-210 7 Mason City IA   751F MCC TELEPHONY OF IOWA, LLC - IA 632   2006-09-13   
641-210 8 Mason City IA   6529 T-MOBILE USA, INC. 632   2005-04-03   
641-210 9 Mason City IA   6529 T-MOBILE USA, INC. 632      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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