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: 383

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-383 A Granger WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676      
509-383 0 Granger WA SNSDWAXXHMD  483E ONVOY, LLC - WA 676   2022-01-01   
509-383 1 Granger WA SNSDWAXXHMD  483E ONVOY, LLC - WA 676   2022-01-01   
509-383 2 Granger WA SNSDWAXXHMD  483E ONVOY, LLC - WA 676   2021-06-27   
509-383 3 Granger WA SPKNWA01X7X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676   2014-01-15   
509-383 4 Granger WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2005-01-29   
509-383 5 Granger WA SNSDWAXXHMD  483E ONVOY, LLC - WA 676   2021-07-30   
509-383 6 Granger WA   792K CHARTER IP ENABLED SERVICES, LLC 676   2007-06-23   
509-383 7 Granger WA YAKMWAWE7MD  508J CENTURYLINK COMMUNICATIONS, LLC 676   2015-01-26   
509-383 8 Granger WA SNSDWAXXHMD  483E ONVOY, LLC - WA 676   2020-07-20   
509-383 9 Granger WA SNSDWAXXHMD  483E ONVOY, LLC - WA 676   2021-07-30   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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