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: 709

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-709 A Pasco WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2025-10-24   
509-709 0 Pasco WA   006F BANDWIDTH.COM CLEC, LLC - WA 676   2026-07-27   
509-709 7 Pasco WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2026-06-12   
509-709 8 Pasco WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2026-06-12   
509-709 9 Pasco WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2025-10-24   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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