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: 425

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
515-425 A Ames IA DESMIADTFMD  221F ONVOY, LLC - IA 632      
515-425 0 Ames IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2024-06-07   
515-425 1 Ames IA DESMIA72GMD  6529 T-MOBILE USA, INC. 632   2024-05-12   
515-425 2 Ames IA DESMIA72GMD  6529 T-MOBILE USA, INC. 632   2024-05-12   
515-425 3 Ames IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2024-02-24   
515-425 4 Ames IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2023-07-09   
515-425 5 Ames IA DESMIADTX1X  624H ONVOY SPECTRUM, LLC 632   2023-04-24   
515-425 6 Ames IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2024-02-24   
515-425 7 Ames IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2024-02-24   
515-425 8 Ames IA DESMIA72GMD  6529 T-MOBILE USA, INC. 632   2024-05-12   
515-425 9 Ames IA DESMIA72GMD  6529 T-MOBILE USA, INC. 632   2024-05-12   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.