Local Calling Guide

Area code/prefix search

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NPA: 509 [Rate centres in NPA 509] [Dial plan for NPA 509]

NXX: 983

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-983 A Starbuck WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676      
509-983 7 Starbuck WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2008-09-07   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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