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.

Iowa Falls, IA

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-640 A DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-640 0 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-640 1 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-640 2 CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632   2016-07-26   
641-640 3 DESMIAITGT5  444G AUREON COMMUNICATIONS, LLC 632   2016-10-03   
641-640 4 DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-22   
641-640 5 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-640 6 DESMIADTFMD  221F ONVOY, LLC - IA 632   2016-03-28   
641-640 7 DESMIADTXZX  6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA 632      
641-640 8 CNVLIABC1MD  6266 UNITED STATES CELLULAR - IA 632   2015-03-11   
641-640 9 DESMIADTFMD  221F ONVOY, LLC - IA 632   2016-03-28   
641-648 A IWFLIACORS6  9631 QWEST CORPORATION 632      

<< 1 2

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.