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: 307

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-307 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-307 0 Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2007-07-09   
206-307 1 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2007-08-16   
206-307 2 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2007-08-16   
206-307 3 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2007-07-10   
206-307 4 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2008-03-30   
206-307 5 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2008-03-30   
206-307 6 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2008-03-30   
206-307 7 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2008-03-30   
206-307 8 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2008-03-30   
206-307 9 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2008-03-30   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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