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.

Farson, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-284 A   624H ONVOY SPECTRUM, LLC 632   2024-07-07   
641-284 0   624H ONVOY SPECTRUM, LLC 632      
641-655 A FASNIAXORL0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-655 0 FASNIAXORP0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-655 1 FASNIAXORL0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-655 2 KNVLIAXCSMD  221F ONVOY, LLC - IA 632      
641-655 3 KNVLIAXCSMD  221F ONVOY, LLC - IA 632      
641-655 4 KNVLIAXCSMD  221F ONVOY, LLC - IA 632      
641-655 5 BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632      
641-655 6 DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632      
641-655 7 FASNIAXORL0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-655 8 FASNIAXORL0  1178 WINDSTREAM IOWA COMMUNICATIONS, INC. 632      
641-655 9 KNVLIAXCSMD  221F ONVOY, LLC - IA 632      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.