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: 404

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-404 A Dayton WA YAKMWAWE7MD  508J CENTURYLINK COMMUNICATIONS, LLC 676      
509-404 0 Dayton WA SPKNWADZDS3  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2015-03-17   
509-404 1 Dayton WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2016-02-25   
509-404 2 Dayton WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2021-04-24   
509-404 3 Dayton WA SPKNWA01X7X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 676   2016-07-25   
509-404 5 Dayton WA SPKNWA01XIY  506J TWILIO INTERNATIONAL, INC. 676   2021-01-28   
509-404 7 Dayton WA YAKMWAWE7MD  508J CENTURYLINK COMMUNICATIONS, LLC 676   2015-03-16   
509-404 8 Dayton WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2021-11-20   
509-404 9 Dayton WA SPKNWADZDS3  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2021-03-05   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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