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Seattle, WA

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