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.

Swaledale, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-401 A DESMIADTFMD  221F ONVOY, LLC - IA 632      
641-401 1 DESMIADTFMD  221F ONVOY, LLC - IA 632   2020-08-10   
641-401 2 DESMIADTFMD  221F ONVOY, LLC - IA 632   2020-11-20   
641-401 3 DESMIADTFMD  221F ONVOY, LLC - IA 632   2020-11-20   
641-401 4 DESMIADTFMD  221F ONVOY, LLC - IA 632   2018-12-23   
641-401 6 DESMIADTFMD  221F ONVOY, LLC - IA 632   2020-02-22   
641-401 7 DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2018-12-25   
641-401 8 DESMIADTFMD  221F ONVOY, LLC - IA 632   2019-10-28   
641-995 A SWDLIAXORS9  1127 FRONTIER COMMUNICATIONS OF IOWA, INC. 632      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.