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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-203 A Grandview WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676      
509-203 0 Grandview WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2014-11-13   
509-203 1 Grandview WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2016-12-30   
509-203 2 Grandview WA SPKNWA01X7X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676   2015-03-20   
509-203 3 Grandview WA YAKMWAWECMD  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 676   2012-07-12   
509-203 4 Grandview WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2005-01-29   
509-203 5 Grandview WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2008-03-15   
509-203 6 Grandview WA SNSDWAXX6MD  814D CHARTER FIBERLINK WA-CCVII, LLC - WA 676   2007-06-23   
509-203 7 Grandview WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2008-02-13   
509-203 8 Grandview WA YAKMWAWE7MD  7575 CENTURYLINK COMMUNICATIONS LLC 676   2015-01-26   
509-203 9 Grandview WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2016-10-12   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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