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: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

NXX: 667

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-667 A Utica IL UTICILUTRS0  9329 ILLINOIS BELL TEL CO 358      
815-667 0 Utica IL CHCGILWUJMD  073H TELNYX LLC 358   2018-07-20   
815-667 1 Utica IL CHCGILWUX1X  8760 US XCHANGE OF ILLINOIS LLC DBA CHOICE ONE COMM IL 358   2009-11-10   
815-667 4 Utica IL UTICILUTRS0  9329 ILLINOIS BELL TEL CO 358      
815-667 5 Utica IL UTICILUTRS0  9329 ILLINOIS BELL TEL CO 358      
815-667 7 Utica IL UTICILUTRS0  9329 ILLINOIS BELL TEL CO 358      
815-667 8 Utica IL CHCGIL24DS6  224C ONVOY, LLC 358   2021-04-01   
815-667 9 Utica IL UTICILUTRS0  9329 ILLINOIS BELL TEL CO 358      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.