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: 844

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-844 A Marshalltown IA MRTWIASODS0  9631 QWEST CORPORATION 632      
641-844 0 Marshalltown IA   9631 QWEST CORPORATION 632      
641-844 1 Marshalltown IA   9631 QWEST CORPORATION 632      
641-844 2 Marshalltown IA   9631 QWEST CORPORATION 632      
641-844 3 Marshalltown IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2007-12-21   
641-844 4 Marshalltown IA   6529 T-MOBILE USA, INC. 632   2008-02-07   
641-844 5 Marshalltown IA   9631 QWEST CORPORATION 632      
641-844 6 Marshalltown IA   9631 QWEST CORPORATION 632      
641-844 7 Marshalltown IA   6529 T-MOBILE USA, INC. 632   2007-02-28   
641-844 8 Marshalltown IA   6529 T-MOBILE USA, INC. 632   2006-05-05   
641-844 9 Marshalltown IA   9631 QWEST CORPORATION 632      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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