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: 492

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-492 A Pasco WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676      
509-492 0 Pasco WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2006-02-23   
509-492 1 Pasco WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2005-03-15   
509-492 2 Pasco WA   006F BANDWIDTH.COM CLEC, LLC - WA 676   2010-07-22   
509-492 3 Pasco WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2005-06-11   
509-492 4 Pasco WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2005-06-11   
509-492 5 Pasco WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2003-08-25   
509-492 6 Pasco WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2006-09-14   
509-492 7 Pasco WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676   2006-04-07   
509-492 8 Pasco WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676   2006-04-07   
509-492 9 Pasco WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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