Local Calling Guide

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

NXX: 660

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-660 A Ritzville WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676      
509-660 0 Ritzville WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676      
509-660 2 Ritzville WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2006-04-24   
509-660 3 Ritzville WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676      

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

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