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Seattle, WA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
206-877 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-880 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-880 0   006F BANDWIDTH.COM CLEC, LLC - WA 674   2018-04-01   
206-880 1   006F BANDWIDTH.COM CLEC, LLC - WA 674   2018-04-01   
206-880 2   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2018-01-06   
206-880 3   006F BANDWIDTH.COM CLEC, LLC - WA 674   2018-04-01   
206-880 4   5562 METROPCS, INC. 674   2018-04-16   
206-880 5   5562 METROPCS, INC. 674   2018-05-14   
206-880 6   5562 METROPCS, INC. 674   2018-06-11   
206-880 7   073H TELNYX LLC 674   2017-12-28   
206-880 8   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2017-12-08   
206-880 9   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2017-12-08   
206-881 A   707G WIDE VOICE, LLC - WA 674   2025-04-13   
206-881 1   707G WIDE VOICE, LLC - WA 674   2025-04-13   
206-881 9   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2025-04-14   
206-883 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-883 0   6529 T-MOBILE USA, INC. 674      
206-883 1   6529 T-MOBILE USA, INC. 674      
206-883 2   6529 T-MOBILE USA, INC. 674      
206-883 3   6529 T-MOBILE USA, INC. 674   2007-04-05   
206-883 4   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2006-01-05   
206-883 5   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2006-01-05   
206-883 6   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2006-01-05   
206-883 7   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2006-01-05   
206-883 8   6529 T-MOBILE USA, INC. 674   2006-06-26   
206-883 9   6529 T-MOBILE USA, INC. 674      
206-884 A STTLWALADS0  9638 QWEST CORPORATION 674      
206-884 0   9638 QWEST CORPORATION 674   2007-05-18   
206-884 1   9638 QWEST CORPORATION 674   2007-05-18   
206-884 2   9638 QWEST CORPORATION 674   2007-05-18   
206-884 3   9638 QWEST CORPORATION 674   2007-05-18   
206-884 4   9638 QWEST CORPORATION 674   2007-05-18   
206-884 5   9638 QWEST CORPORATION 674   2007-05-18   
206-884 6   9638 QWEST CORPORATION 674   2007-05-18   
206-884 7   9638 QWEST CORPORATION 674   2007-05-18   
206-884 8   9638 QWEST CORPORATION 674   2007-05-18   
206-884 9   9638 QWEST CORPORATION 674   2007-05-18   
206-886 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-886 0   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2014-11-11   
206-886 1   6529 T-MOBILE USA, INC. 674   2014-11-11   
206-886 2   6529 T-MOBILE USA, INC. 674   2014-11-11   
206-886 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2014-11-11   
206-886 4   6529 T-MOBILE USA, INC. 674   2014-11-11   
206-886 5   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-11-10   
206-886 6   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-11-10   
206-886 7   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-11-10   
206-886 8   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-11-10   
206-886 9   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2014-11-10   
206-888 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-888 0   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-04-13   
206-888 1   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-04-02   
206-888 2   483E ONVOY, LLC - WA 674      
206-888 3   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-04-02   
206-888 4   483E ONVOY, LLC - WA 674      
206-888 5   318J COMCAST IP PHONE, LLC 674   2020-03-03   
206-888 6   483E ONVOY, LLC - WA 674      
206-888 7   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-04-02   
206-888 8   318J COMCAST IP PHONE, LLC 674   2020-04-10   
206-888 9   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2020-03-25   
206-889 A   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-889 0   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2017-10-31   
206-889 2   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2017-11-15   
206-889 3   6529 T-MOBILE USA, INC. 674   2017-09-07   
206-889 4   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2017-12-15   
206-889 5   483E ONVOY, LLC - WA 674   2017-08-17   
206-889 6   483E ONVOY, LLC - WA 674   2017-08-17   
206-889 7   6529 T-MOBILE USA, INC. 674   2017-09-07   
206-889 8   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2017-09-29   
206-889 9   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2017-10-16   
206-890 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-892 A STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-892 0   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-892 1   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-892 2   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-892 3   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-892 4   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-892 5   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-892 6   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-892 7   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-892 8   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2007-09-26   
206-892 9   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-895 A STTLWA06XLX  506J TWILIO INTERNATIONAL, INC. 674      
206-895 0   483E ONVOY, LLC - WA 674   2020-09-09   
206-895 1   483E ONVOY, LLC - WA 674   2020-09-09   
206-895 2   483E ONVOY, LLC - WA 674   2020-09-09   
206-895 3   483E ONVOY, LLC - WA 674   2020-09-09   
206-895 4   483E ONVOY, LLC - WA 674   2020-09-09   
206-895 5   483E ONVOY, LLC - WA 674   2020-09-09   
206-895 6   483E ONVOY, LLC - WA 674   2020-09-09   
206-895 7   483E ONVOY, LLC - WA 674   2020-09-09   
206-895 8   506J TWILIO INTERNATIONAL, INC. 674   2020-09-09   
206-895 9   483E ONVOY, LLC - WA 674   2020-09-09   
206-897 A STTLWA06DS4  9638 QWEST CORPORATION 674      
206-898 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-898 0   6529 T-MOBILE USA, INC. 674      
206-898 1   6529 T-MOBILE USA, INC. 674      
206-898 2   6529 T-MOBILE USA, INC. 674      
206-898 3   6529 T-MOBILE USA, INC. 674      
206-898 4   6529 T-MOBILE USA, INC. 674      
206-898 5   6529 T-MOBILE USA, INC. 674      

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

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