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: 446

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-446 A Ontario OR BOISIDMAXIX  750E ONVOY, LLC - OR 652      
458-446 0 Ontario OR BOISIDMAXEY  5820 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 652   2023-06-13   
458-446 1 Ontario OR BOISIDMAXIX  750E ONVOY, LLC - OR 652   2023-10-21   
458-446 2 Ontario OR BOISIDMAX5Y  624H ONVOY SPECTRUM, LLC 652   2021-11-26   
458-446 3 Ontario OR BOISIDMAX5Y  624H ONVOY SPECTRUM, LLC 652   2021-11-26   
458-446 4 Ontario OR BOISIDMAXIX  750E ONVOY, LLC - OR 652   2021-04-09   
458-446 5 Ontario OR BOISIDMAXIX  750E ONVOY, LLC - OR 652   2021-04-09   
458-446 6 Ontario OR BOISIDMAXIX  750E ONVOY, LLC - OR 652   2024-03-08   
458-446 7 Ontario OR BOISIDMAX5Y  624H ONVOY SPECTRUM, LLC 652   2021-07-18   
458-446 8 Ontario OR BOISIDMAXIX  750E ONVOY, LLC - OR 652   2024-12-16   
458-446 9 Ontario OR BOISIDVP0MD  6529 T-MOBILE USA, INC. 652   2021-05-08   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.