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: 364

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-364 A Glenwood WA GLWDWAXARS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 672      
509-364 0 Glenwood WA GLWDWAXARS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 672      
509-364 3 Glenwood WA GLWDWAXARS0  4521 UNITED TELEPHONE - NORTHWEST DBA CENTURYLINK - WA 672      
509-364 4 Glenwood WA   145J TERRA NOVA TELECOM INC. 672   2025-07-11   
509-364 6 Glenwood WA THDLORXAFMD  483E ONVOY, LLC - WA 672   2022-01-02   
509-364 7 Glenwood WA PTLGORIA7MD  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 672   2013-12-10   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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