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: 392

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-392 A Richland WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676      
509-392 1 Richland WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2005-03-15   
509-392 2 Richland WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2006-01-20   
509-392 3 Richland WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2007-10-16   
509-392 4 Richland WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2002-06-28   
509-392 5 Richland WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2005-03-17   
509-392 6 Richland WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2006-10-09   
509-392 7 Richland WA KNWCWAXAX3X  483E ONVOY, LLC - WA 676   2007-08-20   
509-392 8 Richland WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2005-03-17   
509-392 9 Richland WA SPKNWA01XUY  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2007-10-20   

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

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