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.

Colfax, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
515-529 A DESMIADTXUX  965H FRACTEL, LLC 632      
515-529 0 DESMIADTXMX  073H TELNYX LLC 632      
515-529 1   624H ONVOY SPECTRUM, LLC 632      
515-529 2 DESMIADTX6Y  516J TON80 COMMUNICATIONS, LLC 632      
515-529 3 DESMIADTXUX  965H FRACTEL, LLC 632      
515-529 5 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-529 6 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-529 7 DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632      
515-529 9 DESMIADTXUX  965H FRACTEL, LLC 632      
515-674 A CLFXIACORS0  9631 QWEST CORPORATION 632      
515-674 0 CLFXIACORS0  9631 QWEST CORPORATION 632      
515-674 1 CLFXIACORS0  9631 QWEST CORPORATION 632      
515-674 2 DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632      
515-674 3 CLFXIACORS0  9631 QWEST CORPORATION 632      
515-674 4 CLFXIACORS0  9631 QWEST CORPORATION 632      
515-674 5 DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632      
515-674 6 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-674 7 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-674 8 DESMIADTX7X  751F MCC TELEPHONY OF IOWA, LLC - IA 632      
515-674 9 CLFXIACORS0  9631 QWEST CORPORATION 632      
515-800 A DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-800 0 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-800 1 DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      
515-800 2 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-800 3 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-800 4 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-800 5 BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632      
515-800 7 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-800 8 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-800 9 DESMIADTFMD  221F ONVOY, LLC - IA 632      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.