Local Calling Guide

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

NXX: 237

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-237 A Ephrata WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676      
509-237 0 Ephrata WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2008-07-24   
509-237 1 Ephrata WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2003-10-19   
509-237 2 Ephrata WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2010-02-05   
509-237 3 Ephrata WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2005-09-06   
509-237 4 Ephrata WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2010-12-10   
509-237 5 Ephrata WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2014-09-12   
509-237 6 Ephrata WA SPKNWAKY0MD  006F BANDWIDTH.COM CLEC, LLC - WA 676   2012-04-28   
509-237 7 Ephrata WA SPKNWAKY0MD  006F BANDWIDTH.COM CLEC, LLC - WA 676   2009-06-04   
509-237 8 Ephrata WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2008-12-25   
509-237 9 Ephrata WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2012-08-24   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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