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: 364

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-364 A Alta Vista IA ALTVIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-364 0 Alta Vista IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632      
641-364 1 Alta Vista IA ALTVIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-364 2 Alta Vista IA ALTVIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-364 3 Alta Vista IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632      
641-364 4 Alta Vista IA ALTVIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-364 5 Alta Vista IA ALTVIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-364 6 Alta Vista IA ALTVIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-364 7 Alta Vista IA ALTVIAXPRS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
641-364 8 Alta Vista IA GRNLIAXCPMD  221F ONVOY, LLC - IA 632      
641-364 9 Alta Vista IA ALTVIAXPRP0  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.