Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 458 [Rate centres in NPA 458] [Dial plan for NPA 458]

NXX: 252

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-252 A Oregon Slope OR BOISIDMAXKY  478J NUSO, LLC 652      
458-252 0 Oregon Slope OR   073H TELNYX LLC 652   2021-06-13   
458-252 1 Oregon Slope OR   478J NUSO, LLC 652   2020-11-08   
458-252 2 Oregon Slope OR   478J NUSO, LLC 652   2023-12-30   
458-252 3 Oregon Slope OR   624H ONVOY SPECTRUM, LLC 652   2021-07-18   
458-252 4 Oregon Slope OR   750E ONVOY, LLC - OR 652   2021-03-05   
458-252 5 Oregon Slope OR   750E ONVOY, LLC - OR 652   2021-03-05   
458-252 6 Oregon Slope OR   624H ONVOY SPECTRUM, LLC 652   2021-09-26   
458-252 7 Oregon Slope OR   750E ONVOY, LLC - OR 652   2021-12-23   
458-252 8 Oregon Slope OR   3234 LEVEL 3 COMMUNICATIONS, LLC - OR 652   2023-02-20   
458-252 9 Oregon Slope OR   750E ONVOY, LLC - OR 652   2023-09-16   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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