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.

Chelsea, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-489 A CHLSIAXORL0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-489 1 CHLSIAXORL0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-489 2 CHLSIAXORL0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-489 3 GRNLIAXCPMD  221F ONVOY, LLC - IA 632      
641-489 4 GRNLIAXCPMD  221F ONVOY, LLC - IA 632      
641-489 5   624H ONVOY SPECTRUM, LLC 632      
641-489 7 DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632      
641-489 8 BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632      
641-489 9 CHLSIAXORP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.