Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 509 [Rate centres in NPA 509] [Dial plan for NPA 509]

NXX: 513

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-513 A Northport WA SPKNWA01XXX  483E ONVOY, LLC - WA 676      
509-513 1 Northport WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2021-02-18   
509-513 2 Northport WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2021-02-18   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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