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: 265

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-265 A White City OR WHCYORXXGMD  6529 T-MOBILE USA, INC. 670      
458-265 0 White City OR   6529 T-MOBILE USA, INC. 670   2022-09-28   
458-265 1 White City OR   6529 T-MOBILE USA, INC. 670   2022-09-28   
458-265 2 White City OR   624H ONVOY SPECTRUM, LLC 670   2021-10-08   
458-265 3 White City OR   750E ONVOY, LLC - OR 670   2023-05-11   
458-265 4 White City OR   624H ONVOY SPECTRUM, LLC 670   2021-12-03   
458-265 5 White City OR   750E ONVOY, LLC - OR 670   2021-08-13   
458-265 6 White City OR   624H ONVOY SPECTRUM, LLC 670   2021-12-03   
458-265 7 White City OR   6529 T-MOBILE USA, INC. 670   2023-07-21   
458-265 8 White City OR   6529 T-MOBILE USA, INC. 670   2021-11-29   
458-265 9 White City OR   6529 T-MOBILE USA, INC. 670   2021-07-01   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.