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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-351 A Marshalltown IA DESMIADTNMD  6664 SPRINT SPECTRUM L.P. 632      
641-351 0 Marshalltown IA   6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632   2011-01-30   
641-351 1 Marshalltown IA   6664 SPRINT SPECTRUM L.P. 632   2006-10-20   
641-351 2 Marshalltown IA   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2015-06-11   
641-351 3 Marshalltown IA   5562 METRO PCS, INC. 632   2018-06-29   
641-351 4 Marshalltown IA   751F MCC TELEPHONY OF IOWA, LLC - IA 632   2005-05-23   
641-351 5 Marshalltown IA   6664 SPRINT SPECTRUM L.P. 632   2005-03-28   
641-351 6 Marshalltown IA   985E BANDWIDTH.COM CLEC, LLC - IA 632   2018-09-02   
641-351 7 Marshalltown IA   985E BANDWIDTH.COM CLEC, LLC - IA 632   2010-07-03   
641-351 8 Marshalltown IA   6664 SPRINT SPECTRUM L.P. 632   2004-06-18   
641-351 9 Marshalltown IA   6664 SPRINT SPECTRUM L.P. 632      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.