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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
206-418 6 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-418 7 STTLWA04DS0  9638 QWEST CORPORATION 674      
206-418 8 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-418 9 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-419 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-420 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-420 0 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-420 1 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-420 2 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-420 3 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-420 4 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-420 5 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674      
206-420 6 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-420 7 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-420 8 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-420 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-421 A STTLWA06DS0  9638 QWEST CORPORATION 674      
206-422 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-422 0 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-422 1 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-422 2 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-422 3 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-422 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-422 5 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-422 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-422 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-422 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-422 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-423 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-423 0 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-423 1 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-423 2 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-423 3 STTLWA06XCX  5562 METROPCS, INC. 674      
206-423 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-423 5 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-423 6 STTLWA06XCX  5562 METROPCS, INC. 674      
206-423 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-423 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-423 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-424 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-426 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-427 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-428 A STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-428 0 STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-428 1 STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-428 2 STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-428 3 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-428 4 STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-428 5 STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-428 6 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-428 7 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-428 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-428 9 STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-430 A TKWLWALL4MD  508J CENTURYLINK COMMUNICATIONS, LLC 674      
206-430 0 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-430 1 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-430 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-430 3 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-430 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-430 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-430 6 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-430 7 TKWLWALL4MD  508J CENTURYLINK COMMUNICATIONS, LLC 674      
206-430 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-430 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-431 A STTLWACHDS0  9638 QWEST CORPORATION 674      
206-432 A TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-432 0 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-432 1 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-432 2 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-432 3 TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-432 4 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-432 5 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-432 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-432 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-432 8 TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-432 9 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-433 A STTLWACHDS0  9638 QWEST CORPORATION 674      
206-434 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-434 0 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-434 1 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-434 2 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-434 3 STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-434 4 STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-434 5 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-434 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-434 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-434 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-434 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-435 A STTLWA06DSE  7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674      
206-435 0 STTNWAHOBMD  8391 GLOBAL CROSSING LOCAL SERVICES, INC. - WA 674      
206-435 1 STTNWAHOBMD  8391 GLOBAL CROSSING LOCAL SERVICES, INC. - WA 674      
206-435 2 STTNWAHOBMD  8391 GLOBAL CROSSING LOCAL SERVICES, INC. - WA 674      
206-435 3 STTNWAHOBMD  8391 GLOBAL CROSSING LOCAL SERVICES, INC. - WA 674      
206-435 4 STTNWAHOBMD  8391 GLOBAL CROSSING LOCAL SERVICES, INC. - WA 674      
206-435 5 STTNWAHOBMD  8391 GLOBAL CROSSING LOCAL SERVICES, INC. - WA 674      
206-435 6 STTNWAHOBMD  8391 GLOBAL CROSSING LOCAL SERVICES, INC. - WA 674      
206-435 7 STTLWA06DSE  7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674      
206-435 8 STTNWAHOBMD  8391 GLOBAL CROSSING LOCAL SERVICES, INC. - WA 674      
206-435 9 STTNWAHOBMD  8391 GLOBAL CROSSING LOCAL SERVICES, INC. - WA 674      
206-436 A TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      

<< 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 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.