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: 776

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-776 A Seattle WA STTLWAWB39Z  598J FIVE9, INC. 674   2024-02-01   
206-776 0 Seattle WA   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2023-04-27   
206-776 1 Seattle WA   624H ONVOY SPECTRUM, LLC 674   2023-06-08   
206-776 2 Seattle WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2022-06-30   
206-776 3 Seattle WA   624H ONVOY SPECTRUM, LLC 674   2023-06-08   
206-776 4 Seattle WA   624H ONVOY SPECTRUM, LLC 674   2023-06-08   
206-776 5 Seattle WA   624H ONVOY SPECTRUM, LLC 674   2023-06-08   
206-776 6 Seattle WA   490J DISH WIRELESS, LLC 674   2023-07-03   
206-776 7 Seattle WA   6529 T-MOBILE USA, INC. 674   2024-07-24   
206-776 8 Seattle WA   598J FIVE9, INC. 674   2023-12-20   
206-776 9 Seattle WA   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2022-07-01   

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

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