Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 MRTWIASODS0  9631 QWEST CORPORATION 632      
641-844 1 Marshalltown IA MRTWIASODS0  9631 QWEST CORPORATION 632      
641-844 2 Marshalltown IA MRTWIASODS0  9631 QWEST CORPORATION 632      
641-844 3 Marshalltown IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2007-12-21   
641-844 4 Marshalltown IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2008-02-07   
641-844 5 Marshalltown IA MRTWIASODS0  9631 QWEST CORPORATION 632      
641-844 6 Marshalltown IA MRTWIASODS0  9631 QWEST CORPORATION 632      
641-844 7 Marshalltown IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2007-02-28   
641-844 8 Marshalltown IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2006-05-05   
641-844 9 Marshalltown IA MRTWIASODS0  9631 QWEST CORPORATION 632      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.