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: 990

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-990 A Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-990 0 Seattle WA STTLWAWBXYZ  073H TELNYX LLC 674   2020-07-13   
206-990 1 Seattle WA STTLWA060MD  5562 METROPCS, INC. 674   2020-07-23   
206-990 2 Seattle WA STTLWA03XMD  624H ONVOY SPECTRUM, LLC 674   2020-07-06   
206-990 3 Seattle WA STTLWA060MD  5562 METROPCS, INC. 674   2020-07-23   
206-990 4 Seattle WA STTLWA060MD  5562 METROPCS, INC. 674   2020-07-23   
206-990 5 Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2020-06-18   
206-990 6 Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2020-06-18   
206-990 7 Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2020-06-18   
206-990 8 Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2020-06-18   
206-990 9 Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2020-06-18   

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

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