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: 672

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-672 A Oskaloosa IA OSKLIACODS1  9631 QWEST CORPORATION 632      
641-672 0 Oskaloosa IA OSKLIACODS1  9631 QWEST CORPORATION 632      
641-672 1 Oskaloosa IA OSKLIACODS1  9631 QWEST CORPORATION 632      
641-672 2 Oskaloosa IA OSKLIACODS1  9631 QWEST CORPORATION 632      
641-672 3 Oskaloosa IA OSKLIACODS1  9631 QWEST CORPORATION 632      
641-672 4 Oskaloosa IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      
641-672 5 Oskaloosa IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632      
641-672 6 Oskaloosa IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632      
641-672 7 Oskaloosa IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632      
641-672 8 Oskaloosa IA OSKLIACODS1  9631 QWEST CORPORATION 632      
641-672 9 Oskaloosa IA OSKLIACODS1  9631 QWEST CORPORATION 632      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.