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: 605

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-605 A Renwick IA EGGVIAAERS0  842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-605 0 Renwick IA   985E BANDWIDTH.COM CLEC, LLC - IA 632   2012-02-09   
515-605 1 Renwick IA   221F ONVOY, LLC - IA 632   2012-12-14   
515-605 2 Renwick IA   221F ONVOY, LLC - IA 632   2012-12-14   
515-605 3 Renwick IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-14   
515-605 4 Renwick IA   221F ONVOY, LLC - IA 632   2021-04-16   
515-605 5 Renwick IA   842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      
515-605 6 Renwick IA   221F ONVOY, LLC - IA 632   2021-04-16   
515-605 7 Renwick IA   221F ONVOY, LLC - IA 632   2010-12-01   
515-605 9 Renwick IA   842E COMMUNICATIONS 1 NETWORK, INC. - IA 632      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.