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: 458 [Rate centres in NPA 458] [Dial plan for NPA 458]

NXX: 276

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-276 A Ontario OR BOISIDMAXVY  622J SKYE TELECOM LLC DBA SKYETEL 652      
458-276 0 Ontario OR BOISIDPZ5MD  939H COMMIO, LLC 652   2022-07-29   
458-276 1 Ontario OR BOISIDMAXIX  750E ONVOY, LLC - OR 652   2024-08-25   
458-276 2 Ontario OR BOISIDMAXIX  750E ONVOY, LLC - OR 652   2024-10-05   
458-276 3 Ontario OR BOISIDMAXIX  750E ONVOY, LLC - OR 652   2024-11-11   
458-276 4 Ontario OR BOISIDVP0MD  6529 T-MOBILE USA, INC. 652   2024-11-22   
458-276 8 Ontario OR BOISIDMAXVY  622J SKYE TELECOM LLC DBA SKYETEL 652   2021-11-12   
458-276 9 Ontario OR BOISIDVP0MD  6529 T-MOBILE USA, INC. 652   2022-02-26   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.