Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 509 [Rate centres in NPA 509] [Dial plan for NPA 509]

NXX: 287

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-287 A Farmington WA FRTNWAXXRS1  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-287 0 Farmington WA   145J TERRA NOVA TELECOM INC. 676   2025-07-19   
509-287 1 Farmington WA   483E ONVOY, LLC - WA 676   2016-03-10   
509-287 2 Farmington WA   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-287 3 Farmington WA   663D ELTOPIA COMMUNICATIONS, LLC - WA 676   2008-06-29   
509-287 4 Farmington WA   483E ONVOY, LLC - WA 676   2021-06-27   
509-287 6 Farmington WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2015-01-29   
509-287 7 Farmington WA   483E ONVOY, LLC - WA 676   2007-04-20   
509-287 8 Farmington WA   483E ONVOY, LLC - WA 676   2021-11-20   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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