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: 758

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-758 A Marshalltown IA MRTWIAAQ3MD  346F HEART OF IOWA VENTURES, L.L.C. - IA 632      
641-758 0 Marshalltown IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2011-05-19   
641-758 1 Marshalltown IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2013-02-18   
641-758 2 Marshalltown IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2016-04-07   
641-758 3 Marshalltown IA MRTWIAAQ3MD  346F HEART OF IOWA VENTURES, L.L.C. - IA 632   2009-03-21   
641-758 4 Marshalltown IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2013-12-18   
641-758 5 Marshalltown IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2014-09-29   
641-758 6 Marshalltown IA DESMIADTX5X  8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 632   2014-07-11   
641-758 7 Marshalltown IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2016-04-07   
641-758 8 Marshalltown IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2013-04-04   
641-758 9 Marshalltown IA DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2013-09-28   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.