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: 319 [Rate centres in NPA 319] [Dial plan for NPA 319]

NXX: 448

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
319-448 A Walker IA WLKRIAXORS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-448 0 Walker IA CDRRIADTNMD  985E BANDWIDTH.COM CLEC, LLC - IA 635      
319-448 1 Walker IA WLKRIAXORS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-448 2 Walker IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-448 3 Walker IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-448 4 Walker IA WLKRIAXORS0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-448 5 Walker IA CDRRIADTKMD  221F ONVOY, LLC - IA 635      
319-448 6 Walker IA CDRRIADTX2X  508J CENTURYLINK COMMUNICATIONS, LLC 635      
319-448 7 Walker IA WLKRIAXORP1  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      
319-448 8 Walker IA MNTIIAAKDS0  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635      
319-448 9 Walker IA WLKRIAXORP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 635      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.