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Seattle, WA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
206-737 7 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-737 8 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2011-08-17   
206-737 9 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2011-08-17   
206-739 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-739 0 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2015-06-20   
206-739 1 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2015-08-07   
206-739 2 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2015-08-07   
206-739 3 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2015-08-07   
206-739 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2015-08-07   
206-739 5 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2015-07-01   
206-739 6 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-12-06   
206-739 7 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-12-06   
206-739 8 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-12-06   
206-739 9 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-12-06   
206-740 A   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-740 0   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-10-28   
206-740 1   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-10-28   
206-740 2   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-10-28   
206-740 3   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-10-28   
206-740 4   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-10-28   
206-740 5   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-10-28   
206-740 6   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-10-28   
206-740 7   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-10-28   
206-740 8   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-10-28   
206-740 9   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-10-28   
206-741 A STTLWAWB16Z  597F VOIP INNOVATIONS, LLC 674      
206-741 0 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2019-09-21   
206-741 1 STTLWAWB16Z  597F VOIP INNOVATIONS, LLC 674   2019-09-20   
206-741 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-09-25   
206-741 3 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-09-25   
206-741 4 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-09-25   
206-741 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-09-25   
206-741 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-09-21   
206-741 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-09-21   
206-741 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-09-21   
206-741 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2019-09-21   
206-743 A STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674      
206-743 0 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2011-02-19   
206-743 1 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2011-05-17   
206-743 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2011-05-17   
206-743 3 STTLWAWB22Z  515J IP HORIZON LLC 674   2011-02-22   
206-743 4 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2011-05-17   
206-743 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2011-06-06   
206-743 6 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2011-06-06   
206-743 7 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2011-06-06   
206-743 8 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2011-06-05   
206-743 9 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2011-06-11   
206-744 A TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-744 0 TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2004-04-04   
206-744 1 TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2004-04-04   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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