Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Seattle, WA

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
206-200 A STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-202 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-203 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-204 A STTLWA03X7X  829J PAETEC ITEL, LLC 674      
206-204 0 STTLWA03X7X  829J PAETEC ITEL, LLC 674      
206-204 1 STTLWA03X7X  829J PAETEC ITEL, LLC 674      
206-204 2 STTLWA03X7X  829J PAETEC ITEL, LLC 674      
206-204 3 STTLWA03X7X  829J PAETEC ITEL, LLC 674      
206-204 4 STTLWA03X7X  829J PAETEC ITEL, LLC 674      
206-204 5 STTLWA03X7X  829J PAETEC ITEL, LLC 674      
206-204 6 STTLWA03X7X  829J PAETEC ITEL, LLC 674      
206-204 7 STTLWA03X7X  829J PAETEC ITEL, LLC 674      
206-204 8 TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2011-04-08   
206-204 9 STTLWA03X7X  829J PAETEC ITEL, LLC 674      
206-205 A STTLWA06DS6  9638 QWEST CORPORATION 674      
206-206 A STTLWAWB36Z  616J LEAP TELECOM, LLC 674      
206-206 0 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2023-04-03   
206-206 1 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2023-04-03   
206-206 2 STTLWAWB36Z  616J LEAP TELECOM, LLC 674   2023-04-02   
206-206 3 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2023-04-03   
206-206 4 STTLWAWB36Z  616J LEAP TELECOM, LLC 674   2023-04-02   
206-206 5 STTLWAWB36Z  616J LEAP TELECOM, LLC 674   2023-04-02   
206-206 6 STTLWAWB36Z  616J LEAP TELECOM, LLC 674   2023-04-02   
206-206 7 STTLWAWB36Z  616J LEAP TELECOM, LLC 674   2023-04-02   
206-206 8 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2023-04-03   
206-206 9 STTLWA03XMD  624H ONVOY SPECTRUM, LLC 674   2023-06-08   
206-207 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-207 0 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2016-01-18   
206-207 1 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2016-01-18   
206-207 2 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2016-01-18   
206-207 3 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2016-01-18   
206-207 4 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2016-01-18   
206-207 5 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2016-01-18   
206-207 6 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2016-01-18   
206-207 7 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2016-01-18   
206-207 8 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2016-01-18   
206-207 9 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2016-01-18   
206-208 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-209 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-209 0 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2012-06-15   
206-209 1 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2012-05-06   
206-209 2 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2012-07-21   
206-209 3 ETVLWAXCDS2  7720 RAINIER CONNECT, INC. - WA 674   2012-07-06   
206-209 4 TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2012-08-20   
206-209 5 TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2012-07-19   
206-209 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2012-08-31   
206-209 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2012-08-31   
206-209 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2012-07-23   
206-209 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2012-08-31   
206-210 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-213 A STTLWA05DS0  9638 QWEST CORPORATION 674      
206-214 A STTLWACHDS0  9638 QWEST CORPORATION 674      
206-214 0 STTLWACHDS0  9638 QWEST CORPORATION 674      
206-214 1 STTLWACHDS0  9638 QWEST CORPORATION 674      
206-214 2 STTLWACHDS0  9638 QWEST CORPORATION 674      
206-214 3 STTLWA06DS6  9638 QWEST CORPORATION 674      
206-214 4 STTLWACHDS0  9638 QWEST CORPORATION 674      
206-214 5 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2002-12-21   
206-214 6 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2002-12-22   
206-214 7 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2003-01-07   
206-214 8 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2003-01-07   
206-214 9 STTLWACHDS0  9638 QWEST CORPORATION 674      
206-215 A STTLWA06DS6  9638 QWEST CORPORATION 674      
206-216 A STTLWA05DS0  9638 QWEST CORPORATION 674      
206-217 A STTLWA05DS0  9638 QWEST CORPORATION 674      
206-218 A STTLWA05DS0  9638 QWEST CORPORATION 674      
206-218 0 STTLWA05DS0  9638 QWEST CORPORATION 674      
206-218 1 STTLWA05DS0  9638 QWEST CORPORATION 674      
206-218 2 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2005-10-01   
206-218 3 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2003-01-07   
206-218 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2005-10-01   
206-218 5 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2003-05-14   
206-218 6 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2003-05-14   
206-218 7 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2003-05-14   
206-218 8 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2003-05-14   
206-218 9 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2003-05-14   
206-219 A STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 0 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 1 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 2 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 3 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 4 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 5 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 6 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 7 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-219 8 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-219 9 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-220 A STTLWA06DS6  9638 QWEST CORPORATION 674      
206-221 A STTLWA06DS4  9638 QWEST CORPORATION 674      
206-222 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-223 A STTLWA06DS4  9638 QWEST CORPORATION 674      
206-224 A STTLWA06DS4  9638 QWEST CORPORATION 674      
206-225 A STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-225 0 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-09-15   
206-225 1 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-09-15   
206-225 2 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-225 3 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-09-15   
206-225 4 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-09-15   
206-225 5 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-09-15   
206-225 6 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-09-15   

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.