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: 523

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-523 A Rosalia WA ROSLWAXARS3  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-523 0 Rosalia WA   145J TERRA NOVA TELECOM INC. 676   2026-07-06   
509-523 2 Rosalia WA ROSLWAXARS3  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-523 3 Rosalia WA ROSLWAXARS3  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-523 4 Rosalia WA ROSLWAXARS3  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-523 5 Rosalia WA ROSLWAXARS3  4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 676      
509-523 7 Rosalia WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2015-01-29   

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

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