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: 978

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-978 A Nespelem WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676      
509-978 0 Nespelem WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676      
509-978 1 Nespelem WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2016-02-23   
509-978 2 Nespelem WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2017-09-15   
509-978 3 Nespelem WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2021-06-27   
509-978 4 Nespelem WA   145J TERRA NOVA TELECOM INC. 676   2025-07-19   
509-978 6 Nespelem WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2011-08-01   
509-978 7 Nespelem WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2008-09-07   
509-978 9 Nespelem WA SPKNWA01XDY  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2016-05-18   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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