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: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-637 A New Sharon IA NWSHIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-637 0 New Sharon IA NWSHIAXORP0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-637 1 New Sharon IA NWSHIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-637 2 New Sharon IA NWSHIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-637 3 New Sharon IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632      
641-637 4 New Sharon IA NWSHIAXORS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-637 5 New Sharon IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632      
641-637 6 New Sharon IA OSKLIA14DS0  916A MAHASKA COMMUNICATION GROUP, LLC - IA 632      
641-637 7 New Sharon IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632      
641-637 8 New Sharon IA KNVLIAXC1MD  751F MCC TELEPHONY OF IOWA, LLC - IA 632      
641-637 9 New Sharon IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.