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: 581

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-581 A Kennewick WA KNWCWAXAX3X  483E ONVOY, LLC - WA 676      
509-581 0 Kennewick WA KNWCWAXAX3X  483E ONVOY, LLC - WA 676      
509-581 1 Kennewick WA KNWCWAXAX3X  483E ONVOY, LLC - WA 676      
509-581 2 Kennewick WA KNWCWAXAX3X  483E ONVOY, LLC - WA 676      
509-581 3 Kennewick WA KNWCWAXAX3X  483E ONVOY, LLC - WA 676      
509-581 4 Kennewick WA KNWCWAXAX3X  483E ONVOY, LLC - WA 676      
509-581 5 Kennewick WA KNWCWAXAX3X  483E ONVOY, LLC - WA 676      
509-581 6 Kennewick WA KNWCWAXAX3X  483E ONVOY, LLC - WA 676      
509-581 7 Kennewick WA SPKNWA01XUY  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2018-01-18   
509-581 8 Kennewick WA SPKNWA01XUY  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2016-10-13   
509-581 9 Kennewick WA SPKNWA01XUY  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2016-07-07   

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

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