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: 515 [Rate centres in NPA 515] [Dial plan for NPA 515]

NXX: 523

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-523 A Stuart IA STRTIACORS5  9631 QWEST CORPORATION 632      
515-523 0 Stuart IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2008-11-29   
515-523 1 Stuart IA STRTIACORS5  9631 QWEST CORPORATION 632      
515-523 2 Stuart IA STRTIACORS5  9631 QWEST CORPORATION 632      
515-523 3 Stuart IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2010-03-05   
515-523 4 Stuart IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2013-04-04   
515-523 5 Stuart IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2011-07-25   
515-523 6 Stuart IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2012-12-14   
515-523 7 Stuart IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2008-09-04   
515-523 8 Stuart IA DESMIADTX7X  751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-04-15   
515-523 9 Stuart IA STRTIACORS5  9631 QWEST CORPORATION 632      

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.