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.

NPA: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 655

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