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: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
458-306 A Port Orford OR EUGNOR53KMD  750E ONVOY, LLC - OR 670      
458-306 0 Port Orford OR EUGNOR53XXX  073H TELNYX LLC 670   2023-09-18   
458-306 2 Port Orford OR EUGNOR53XUX  624H ONVOY SPECTRUM, LLC 670   2025-01-23   
458-306 3 Port Orford OR EUGNOR53KMD  750E ONVOY, LLC - OR 670   2023-08-27   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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