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Seattle, WA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
206-637 3   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2015-10-26   
206-637 4   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2015-10-26   
206-637 5   6529 T-MOBILE USA, INC. 674   2015-10-25   
206-637 6   6529 T-MOBILE USA, INC. 674   2015-10-25   
206-637 7   6529 T-MOBILE USA, INC. 674   2015-10-25   
206-637 8   6529 T-MOBILE USA, INC. 674   2015-10-25   
206-637 9   6529 T-MOBILE USA, INC. 674   2015-10-25   
206-638 A STTLWAWB22Z  515J IP HORIZON LLC 674      
206-638 0   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2021-10-16   
206-638 1   515J IP HORIZON LLC 674   2021-04-23   
206-638 2   624H ONVOY SPECTRUM, LLC 674   2021-05-22   
206-638 3   624H ONVOY SPECTRUM, LLC 674   2021-05-22   
206-638 4   624H ONVOY SPECTRUM, LLC 674   2021-05-22   
206-638 5   624H ONVOY SPECTRUM, LLC 674   2021-05-22   
206-638 6   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2021-06-19   
206-638 7   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2021-07-11   
206-638 8   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2021-07-11   
206-638 9   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2021-07-11   
206-639 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-639 0   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-08-20   
206-639 1   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-08-20   
206-639 2   483E ONVOY, LLC - WA 674   2012-02-06   
206-639 3   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-08-20   
206-639 4   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-08-20   
206-639 5   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-08-20   
206-639 6   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2012-05-29   
206-639 7   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-08-20   
206-639 8   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-08-20   
206-639 9   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-09-19   
206-640 A TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-640 0   841C INTRADO COMMUNICATIONS, LLC 674   2019-03-28   
206-640 1   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2019-03-23   
206-640 2   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2019-03-23   
206-640 3   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-03-28   
206-640 4   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-03-28   
206-640 5   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-03-28   
206-640 6   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-03-28   
206-640 7   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-03-28   
206-640 8   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-03-28   
206-640 9   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-03-28   
206-641 A STTLWAGAPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-641 0   6529 T-MOBILE USA, INC. 674   2011-12-28   
206-641 1   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-01-03   
206-641 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2011-12-24   
206-641 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2011-12-24   
206-641 4   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-09-19   
206-641 5   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-02-06   
206-641 6   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-02-06   
206-641 7   483E ONVOY, LLC - WA 674   2012-01-15   
206-641 8   483E ONVOY, LLC - WA 674   2012-01-15   
206-641 9   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2012-02-12   
206-642 A STTLWA06X8X  6630 USA MOBILITY WIRELESS, INC. 674      
206-643 A STTLWA06XBX  551G NUSO, LLC 674      
206-643 0   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-09-19   
206-643 1   6529 T-MOBILE USA, INC. 674   2014-05-24   
206-643 2   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-09-19   
206-643 3   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-09-19   
206-643 4   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-09-19   
206-643 5   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-09-19   
206-643 6   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-09-19   
206-643 7   6529 T-MOBILE USA, INC. 674   2012-08-15   
206-643 8   6529 T-MOBILE USA, INC. 674   2012-08-15   
206-643 9   6529 T-MOBILE USA, INC. 674   2012-08-15   
206-644 A STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-644 0   318J COMCAST IP PHONE, LLC 674   2020-12-14   
206-644 1   318J COMCAST IP PHONE, LLC 674   2020-12-14   
206-644 2   318J COMCAST IP PHONE, LLC 674   2020-12-14   
206-644 3   318J COMCAST IP PHONE, LLC 674   2020-12-14   
206-644 4   318J COMCAST IP PHONE, LLC 674   2020-12-14   
206-644 5   318J COMCAST IP PHONE, LLC 674   2020-12-14   
206-644 6   318J COMCAST IP PHONE, LLC 674   2020-12-14   
206-644 7   318J COMCAST IP PHONE, LLC 674   2020-12-14   
206-644 8   318J COMCAST IP PHONE, LLC 674   2020-12-14   
206-644 9   318J COMCAST IP PHONE, LLC 674   2020-12-14   
206-645 A STTLWA06X8X  6630 USA MOBILITY WIRELESS, INC. 674      
206-646 A STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-646 0   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 1   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 2   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 3   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 4   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 5   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 6   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 7   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 8   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-646 9   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2016-10-09   
206-649 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-649 0   483E ONVOY, LLC - WA 674   2021-01-29   
206-649 1   483E ONVOY, LLC - WA 674   2021-01-29   
206-649 2   483E ONVOY, LLC - WA 674   2021-01-29   
206-649 3   483E ONVOY, LLC - WA 674   2021-01-29   
206-649 4   483E ONVOY, LLC - WA 674   2021-01-29   
206-649 5   483E ONVOY, LLC - WA 674   2021-01-29   
206-649 6   483E ONVOY, LLC - WA 674   2021-01-29   
206-649 7   483E ONVOY, LLC - WA 674   2021-01-29   
206-649 8   483E ONVOY, LLC - WA 674   2021-01-29   
206-649 9   483E ONVOY, LLC - WA 674   2021-01-29   
206-650 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-650 0   6529 T-MOBILE USA, INC. 674      
206-650 1   6529 T-MOBILE USA, INC. 674      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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