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Seattle, WA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
206-557 9 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2012-11-23   
206-559 A STTLWA06X8X  6630 USA MOBILITY WIRELESS, INC. 674      
206-560 A STTLWA06X8X  6630 USA MOBILITY WIRELESS, INC. 674      
206-561 A STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-561 0 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-05-10   
206-561 1 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-05-10   
206-561 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-05-10   
206-561 3 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-05-10   
206-561 4 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-05-10   
206-561 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-05-10   
206-561 6 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-05-10   
206-561 7 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-05-10   
206-561 8 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-05-10   
206-561 9 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-01-09   
206-562 A   515J IP HORIZON LLC 674   2025-02-02   
206-562 0 STTLWADJDS1  577F RINGSQUARED TELECOM LLC 674   2019-05-31   
206-562 1 STTLWADJDS1  577F RINGSQUARED TELECOM LLC 674   2019-05-31   
206-562 2 STTLWADJDS1  577F RINGSQUARED TELECOM LLC 674   2019-05-31   
206-562 3 STTLWADJDS1  577F RINGSQUARED TELECOM LLC 674   2019-05-31   
206-562 4 STTLWADJDS1  577F RINGSQUARED TELECOM LLC 674   2019-05-31   
206-562 5 STTLWADJDS1  577F RINGSQUARED TELECOM LLC 674   2019-05-31   
206-562 6 STTLWADJDS1  577F RINGSQUARED TELECOM LLC 674   2019-05-31   
206-562 7 STTLWADJDS1  577F RINGSQUARED TELECOM LLC 674   2019-05-31   
206-562 8 STTLWADJDS1  577F RINGSQUARED TELECOM LLC 674   2019-05-31   
206-562 9 STTLWADJDS1  577F RINGSQUARED TELECOM LLC 674   2019-05-31   
206-563 A STTLWA06X8X  6630 USA MOBILITY WIRELESS, INC. 674      
206-566 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-566 0 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2014-12-02   
206-566 1 STTLWA060MD  5562 METROPCS, INC. 674   2015-04-04   
206-566 2 STTLWA060MD  5562 METROPCS, INC. 674   2015-04-04   
206-566 3 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2015-06-26   
206-566 4 STTLWA060MD  5562 METROPCS, INC. 674   2015-08-14   
206-566 5 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2015-03-29   
206-566 6 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2014-12-04   
206-566 7 STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2015-06-29   
206-566 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2014-11-29   
206-566 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2014-11-29   
206-568 A STTLWA03DS0  9638 QWEST CORPORATION 674      
206-570 A STTLWA05BMD  9748 AMERICAN MESSAGING SERVICES, LLC 674      
206-571 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-571 0 STTLWA060MD  5562 METROPCS, INC. 674      
206-571 1 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-571 2 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-571 3 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-571 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-571 5 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-571 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-571 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-571 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-571 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-572 A STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-572 0 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-12-26   
206-572 1 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-12-26   
206-572 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-12-26   
206-572 3 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-12-26   
206-572 4 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-12-26   
206-572 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-12-26   
206-572 6 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-12-26   
206-572 7 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-12-26   
206-572 8 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-12-26   
206-572 9 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-12-26   
206-573 A STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-573 0 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-10-02   
206-573 1 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-10-02   
206-573 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-10-02   
206-573 3 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-10-02   
206-573 4 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-10-02   
206-573 5 STTLWA03X7X  829J PAETEC ITEL, LLC 674   2016-10-07   
206-573 6 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-10-02   
206-573 7 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-10-10   
206-573 8 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-10-10   
206-573 9 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2017-07-04   
206-574 A KENTWAOBDS0  9638 QWEST CORPORATION 674      
206-574 0 KENTWAOBDS0  9638 QWEST CORPORATION 674      
206-574 1 KENTWAOBDS0  9638 QWEST CORPORATION 674      
206-574 2 KENTWAOBDS0  9638 QWEST CORPORATION 674      
206-574 3 KENTWAOBDS0  9638 QWEST CORPORATION 674      
206-574 4 KENTWAOBDS0  9638 QWEST CORPORATION 674      
206-574 5 KENTWAOBDS0  9638 QWEST CORPORATION 674      
206-574 6 KENTWAOBDS0  9638 QWEST CORPORATION 674      
206-574 7 KENTWAOBDS0  9638 QWEST CORPORATION 674      
206-574 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2007-04-05   
206-574 9 KENTWAOBDS0  9638 QWEST CORPORATION 674      
206-575 A KENTWAOBDS0  9638 QWEST CORPORATION 674      
206-576 A STTLWA06DSE  7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674      
206-577 A   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-577 0   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-577 1   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-577 2   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-577 3   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-577 4 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-577 5   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-577 6   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-577 7   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-577 8 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-577 9 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-579 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-579 0 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-579 1 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-579 2 STTLWA060MD  6529 T-MOBILE USA, INC. 674      

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

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