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: 644

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-644 A Loon Lake WA KNWCWAII3MD  814D CHARTER FIBERLINK WA - CCVII, LLC - WA 676      
509-644 0 Loon Lake WA KNWCWAII3MD  814D CHARTER FIBERLINK WA - CCVII, LLC - WA 676   2017-10-08   
509-644 1 Loon Lake WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2017-10-09   
509-644 2 Loon Lake WA SPKNWADZDS3  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2018-09-20   
509-644 3 Loon Lake WA SPKNWADZDS3  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 676   2020-11-01   
509-644 6 Loon Lake WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2021-06-27   
509-644 8 Loon Lake WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2021-11-20   

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

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