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.

Adair, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-258 A DESMIADTX6Y  516J TON80 COMMUNICATIONS, LLC 632      
641-258 2 DESMIADTX6Y  516J TON80 COMMUNICATIONS, LLC 632      
641-258 3   624H ONVOY SPECTRUM, LLC 632      
641-742 A ADARIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-742 0 ADARIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-742 1 ADARIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-742 2 DESMIAITGT5  444G AUREON COMMUNICATIONS, LLC 632      
641-742 3 ADARIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-742 4 BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632      
641-742 5 ADARIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-742 6 KNVLIAXCSMD  221F ONVOY, LLC - IA 632      
641-742 7 DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632      
641-742 8 KNVLIAXCSMD  221F ONVOY, LLC - IA 632      
641-742 9 ADARIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.