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.

Blairsburg, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
515-315 A DESMIADTX1X  624H ONVOY SPECTRUM, LLC 632      
515-315 3 DESMIADTX1X  624H ONVOY SPECTRUM, LLC 632      
515-315 5 DESMIADTX1X  624H ONVOY SPECTRUM, LLC 632      
515-325 A BRBGIACORS3  9631 QWEST CORPORATION 632      
515-325 0 DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632      
515-325 1 DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632      
515-325 2 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-325 3 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-325 4 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-325 5 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-325 6 BRBGIACORS3  9631 QWEST CORPORATION 632      
515-325 7 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-325 8 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-325 9 DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632      
515-516 A DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632      
515-516 0 DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632      
515-516 1 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-516 2 DESMIADTXMX  073H TELNYX LLC 632      
515-516 3 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-516 4 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-516 5 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-516 6 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-516 7 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-516 8 DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-516 9 DESMIADTFMD  221F ONVOY, LLC - IA 632      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.