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: 636

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-636 A Keota IA KEOTIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-636 1 Keota IA KEOTIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-636 2 Keota IA KEOTIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-636 3 Keota IA KEOTIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-636 4 Keota IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632      
641-636 5 Keota IA   624H ONVOY SPECTRUM, LLC 632      
641-636 6 Keota IA KEOTIAXPRP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-636 7 Keota IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632      
641-636 8 Keota IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      
641-636 9 Keota IA KEOTIAXPRS0  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.