Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2023-04-27   
206-776 1 Seattle WA STTLWA03XMD  624H ONVOY SPECTRUM, LLC 674   2023-06-08   
206-776 2 Seattle WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2022-06-30   
206-776 3 Seattle WA STTLWA03XMD  624H ONVOY SPECTRUM, LLC 674   2023-06-08   
206-776 4 Seattle WA STTLWA03XMD  624H ONVOY SPECTRUM, LLC 674   2023-06-08   
206-776 5 Seattle WA STTLWA03XMD  624H ONVOY SPECTRUM, LLC 674   2023-06-08   
206-776 6 Seattle WA STTLWAWB28Z  490J DISH WIRELESS, LLC 674   2023-07-03   
206-776 8 Seattle WA STTLWAWB39Z  598J FIVE9, INC. 674   2023-12-20   
206-776 9 Seattle WA STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2022-07-01   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.