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NPA: 206 [Rate centres in NPA 206] [Dial plan for NPA 206]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-658 8 Seattle WA STTLWADUDS0  9638 QWEST CORPORATION 674      
206-658 9 Seattle WA STTLWADUDS0  9638 QWEST CORPORATION 674      
206-659 A Seattle WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-659 0 Seattle WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2008-12-11   
206-659 1 Seattle WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2009-09-06   
206-659 2 Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2009-08-10   
206-659 3 Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2009-09-08   
206-659 4 Seattle WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2009-08-30   
206-659 5 Seattle WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2009-09-06   
206-659 6 Seattle WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2009-09-06   
206-659 7 Seattle WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2009-09-06   
206-659 8 Seattle WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2009-09-06   
206-659 9 Seattle WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2009-09-06   
206-660 A Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-661 A Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-661 0 Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-661 1 Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-661 2 Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-02-21   
206-661 3 Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-02-21   
206-661 4 Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-02-21   
206-661 5 Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-02-21   
206-661 6 Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-02-21   
206-661 7 Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-03-22   
206-661 8 Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-03-22   
206-661 9 Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-662 A Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-663 A Seattle WA STTLWA06X8X  6630 SPOK, INC. 674      
206-664 A Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-664 0 Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-664 1 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2007-04-05   
206-664 2 Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-664 3 Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-664 4 Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-664 5 Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-664 6 Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-664 7 Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-664 8 Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-664 9 Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-665 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-665 0 Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2018-11-12   
206-665 1 Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2018-11-12   
206-665 2 Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2018-11-12   
206-665 3 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2018-11-15   
206-665 4 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2018-11-15   
206-665 5 Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2018-11-12   
206-665 6 Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2018-11-12   
206-665 7 Seattle WA   515J IP HORIZON LLC 674   2018-11-12   
206-665 8 Seattle WA   515J IP HORIZON LLC 674   2018-11-12   
206-665 9 Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2018-11-11   
206-666 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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