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: 581

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-581 A Seattle WA STTLWAWBDSH  453J CORETEL WASHINGTON, INC. - WA 674      
206-581 0 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-07-27   
206-581 1 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-07-27   
206-581 2 Seattle WA STTLWAWBDSH  453J CORETEL WASHINGTON, INC. - WA 674   2019-08-16   
206-581 3 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-07-27   
206-581 4 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-07-27   
206-581 5 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-07-27   
206-581 6 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-06-09   
206-581 7 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-06-09   
206-581 8 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-06-09   
206-581 9 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-06-09   

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

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