Local Calling Guide

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NPA: 206 [Rate centres in NPA 206] [Dial plan for NPA 206]

NXX: 535

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-535 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-535 0 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2011-09-26   
206-535 1 Seattle WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-10-06   
206-535 2 Seattle WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-10-06   
206-535 3 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2011-09-26   
206-535 4 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2011-09-26   
206-535 5 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2011-09-26   
206-535 6 Seattle WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2011-09-29   
206-535 7 Seattle WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2011-09-29   
206-535 8 Seattle WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2011-09-29   
206-535 9 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2011-09-23   

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

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