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: 631

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-631 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-631 0 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2008-02-28   
206-631 1 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2008-02-28   
206-631 2 Seattle WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2007-06-22   
206-631 3 Seattle WA STTLWACHDS0  9638 QWEST CORPORATION 674   2007-05-22   
206-631 4 Seattle WA STTLWACHDS0  9638 QWEST CORPORATION 674   2007-05-22   
206-631 5 Seattle WA STTLWACHDS0  9638 QWEST CORPORATION 674   2007-05-22   
206-631 6 Seattle WA STTLWACHDS0  9638 QWEST CORPORATION 674   2007-05-22   
206-631 7 Seattle WA STTLWACHDS0  9638 QWEST CORPORATION 674   2007-05-22   
206-631 8 Seattle WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2007-06-04   
206-631 9 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2007-05-20   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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