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: 228

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-228 A Sumpter OR PTLDOR13DS4  157F PEERLESS NETWORK OF OREGON, LLC - OR 672      
458-228 0 Sumpter OR   076F BANDWIDTH.COM CLEC, LLC - OR 672   2019-01-03   
458-228 2 Sumpter OR   750E ONVOY, LLC - OR 672   2019-09-21   
458-228 3 Sumpter OR   157F PEERLESS NETWORK OF OREGON, LLC - OR 672   2018-11-12   
458-228 4 Sumpter OR   750E ONVOY, LLC - OR 672   2019-09-21   
458-228 5 Sumpter OR   321J HD CARRIER LLC 672   2020-09-27   
458-228 6 Sumpter OR   321J HD CARRIER LLC 672   2020-09-27   
458-228 7 Sumpter OR   157F PEERLESS NETWORK OF OREGON, LLC - OR 672   2020-03-22   
458-228 8 Sumpter OR   158H INVOXIO INCORPORATED 672   2018-11-16   
458-228 9 Sumpter OR   073H TELNYX LLC 672   2018-11-13   

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

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