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.

Milton, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-656 A MLTNIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-656 0   624H ONVOY SPECTRUM, LLC 632   2024-03-09   
641-656 1 MLTNIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-656 2 KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-656 3 KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2021-04-22   
641-656 4 MLTNIAXORS0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-656 5 KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2019-11-29   
641-656 6 BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-656 7 DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-24   
641-656 8 KNVLIAXCSMD  221F ONVOY, LLC - IA 632   2020-11-23   
641-656 9 DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632   2020-06-23   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.