Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 206 [Rate centres in NPA 206] [Dial plan for NPA 206]

NXX: 497

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-497 A Richmond Beach WA   483E ONVOY, LLC - WA 674   2025-02-17   
206-497 0 Richmond Beach WA   483E ONVOY, LLC - WA 674   2007-01-08   
206-497 7 Richmond Beach WA   483E ONVOY, LLC - WA 674   2007-01-08   

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

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