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Seattle, WA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
206-544 A STTLWADUDS0  9638 QWEST CORPORATION 674      
206-544 0   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-544 1   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-544 2   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-544 3   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-544 4   9638 QWEST CORPORATION 674      
206-544 5   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-544 6   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-544 7   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-544 8   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-544 9   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-545 A STTLWACADS0  9638 QWEST CORPORATION 674      
206-547 A STTLWACADS0  9638 QWEST CORPORATION 674      
206-548 A STTLWACADS0  9638 QWEST CORPORATION 674      
206-548 0   9638 QWEST CORPORATION 674      
206-548 1   9638 QWEST CORPORATION 674      
206-548 2   9638 QWEST CORPORATION 674      
206-548 3   9638 QWEST CORPORATION 674      
206-548 4   006F BANDWIDTH.COM CLEC, LLC - WA 674   2007-01-13   
206-548 5   9638 QWEST CORPORATION 674      
206-548 6   6529 T-MOBILE USA, INC. 674   2007-02-08   
206-548 7   9638 QWEST CORPORATION 674      
206-548 8   9638 QWEST CORPORATION 674      
206-548 9   9638 QWEST CORPORATION 674      
206-549 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-549 0   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-11-30   
206-549 1   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-11-30   
206-549 2   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-11-30   
206-549 3   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-11-30   
206-549 4   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-11-30   
206-549 5   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-11-30   
206-549 6   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-11-30   
206-549 7   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2012-11-30   
206-549 8   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-08-14   
206-549 9   6529 T-MOBILE USA, INC. 674   2012-11-29   
206-550 A STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-551 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-551 0   6529 T-MOBILE USA, INC. 674      
206-551 1   6529 T-MOBILE USA, INC. 674      
206-551 2   6529 T-MOBILE USA, INC. 674      
206-551 3   6529 T-MOBILE USA, INC. 674      
206-551 4   6529 T-MOBILE USA, INC. 674      
206-551 5   6529 T-MOBILE USA, INC. 674      
206-551 6   6529 T-MOBILE USA, INC. 674      
206-551 7   6529 T-MOBILE USA, INC. 674      
206-551 8   6529 T-MOBILE USA, INC. 674      
206-551 9   6529 T-MOBILE USA, INC. 674      
206-552 A STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674      
206-552 0   006F BANDWIDTH.COM CLEC, LLC - WA 674   2008-08-09   
206-552 1   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2009-01-12   
206-552 2   7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2009-10-08   
206-552 3   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2009-10-28   
206-552 4   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2009-10-28   
206-552 5   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2009-11-13   
206-552 6   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2009-11-13   
206-552 7   483E ONVOY, LLC - WA 674   2009-01-12   
206-552 8   006F BANDWIDTH.COM CLEC, LLC - WA 674   2009-01-30   
206-552 9   006F BANDWIDTH.COM CLEC, LLC - WA 674   2009-01-30   
206-553 A STTLWA06DS6  9638 QWEST CORPORATION 674      
206-553 0   9638 QWEST CORPORATION 674      
206-553 1   9638 QWEST CORPORATION 674      
206-553 2   9638 QWEST CORPORATION 674      
206-553 3   9638 QWEST CORPORATION 674      
206-553 4   9638 QWEST CORPORATION 674      
206-553 5   9638 QWEST CORPORATION 674      
206-553 6   9638 QWEST CORPORATION 674      
206-553 7   9638 QWEST CORPORATION 674      
206-553 8   9638 QWEST CORPORATION 674      
206-553 9   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-03-22   
206-554 A STTLWA06DS0  9638 QWEST CORPORATION 674      
206-554 0   9638 QWEST CORPORATION 674      
206-554 1   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-07-24   
206-554 2   9638 QWEST CORPORATION 674      
206-554 3   9638 QWEST CORPORATION 674      
206-554 4   9638 QWEST CORPORATION 674      
206-554 5   9638 QWEST CORPORATION 674      
206-554 6   9638 QWEST CORPORATION 674      
206-554 7   9638 QWEST CORPORATION 674      
206-554 8   9638 QWEST CORPORATION 674      
206-554 9   6529 T-MOBILE USA, INC. 674   2007-02-08   
206-556 A STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-556 0   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2014-08-10   
206-556 1   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2014-09-30   
206-556 2   318J COMCAST IP PHONE, LLC 674   2014-08-12   
206-556 3   318J COMCAST IP PHONE, LLC 674   2014-08-12   
206-556 4   318J COMCAST IP PHONE, LLC 674   2014-08-12   
206-556 5   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2014-08-12   
206-556 6   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2014-09-10   
206-556 7   6529 T-MOBILE USA, INC. 674   2014-08-12   
206-556 8   6529 T-MOBILE USA, INC. 674   2014-08-12   
206-556 9   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2014-10-30   
206-557 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-557 0   6529 T-MOBILE USA, INC. 674   2013-01-02   
206-557 1   483E ONVOY, LLC - WA 674   2012-11-26   
206-557 2   6529 T-MOBILE USA, INC. 674   2013-01-02   
206-557 3   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2013-02-09   
206-557 4   318J COMCAST IP PHONE, LLC 674   2012-11-26   
206-557 5   7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674   2013-03-31   
206-557 6   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2013-05-03   
206-557 7   318J COMCAST IP PHONE, LLC 674   2013-04-30   

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

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