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
206-480 A STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-480 0 STTLWA030MD  841C INTRADO COMMUNICATIONS, LLC 674      
206-480 1 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674      
206-480 2 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-480 3 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-480 4 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-480 5 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-480 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-480 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-480 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-480 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-481 A STTLWA05DS0  9638 QWEST CORPORATION 674      
206-481 0 STTLWA05DS0  9638 QWEST CORPORATION 674      
206-481 1 STTLWA05DS0  9638 QWEST CORPORATION 674      
206-481 2 STTLWA05DS0  9638 QWEST CORPORATION 674      
206-481 3 STTLWA05DS0  9638 QWEST CORPORATION 674      
206-481 4 STTLWA05DS0  9638 QWEST CORPORATION 674      
206-481 5 STTLWA05DS0  9638 QWEST CORPORATION 674      
206-481 6 STTLWA05DS0  9638 QWEST CORPORATION 674      
206-481 7 STTLWA05DS0  9638 QWEST CORPORATION 674      
206-481 8 STTLWA05DS0  9638 QWEST CORPORATION 674      
206-481 9 STTLWA05DS0  9638 QWEST CORPORATION 674      
206-482 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-482 0 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-482 1 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-482 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-482 3 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-482 4 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-482 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-482 6 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-482 7 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-482 8 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-482 9 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-483 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-483 0 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-483 1 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-483 2 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-483 3 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-483 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-483 5 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-483 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-483 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-483 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-483 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-484 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-485 A STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674      
206-485 0 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674      
206-485 1 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674      
206-485 2 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674      
206-485 3 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674      
206-485 4 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674      
206-485 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-485 6 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-485 7 PTORWACYDS0  937F ASTOUND BROADBAND, LLC - WA 674      
206-485 8 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-485 9   577F RINGSQUARED TELECOM LLC 674      
206-486 A STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674      
206-486 0 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674      
206-486 1 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674      
206-486 2 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674      
206-486 3 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674      
206-486 4 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674      
206-486 5 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674      
206-486 6 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674      
206-486 7 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674      
206-486 8 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674      
206-486 9 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674      
206-487 A STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-487 0 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-487 1 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-487 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-487 3 STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-487 4 STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-487 5 STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-487 6 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-487 7 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674      
206-487 8 STTLWA06XCX  5562 METROPCS, INC. 674      
206-487 9 STTLWA06XCX  5562 METROPCS, INC. 674      
206-489 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-489 0 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-489 1 TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-489 2 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-489 3 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-489 4 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-489 5   829J PAETEC ITEL, LLC 674      
206-489 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-489 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-489 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-489 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-490 A STTLWA06DS0  9638 QWEST CORPORATION 674      
206-491 A STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-492 A   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-492 0 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-492 1 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-492 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-492 3 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-492 4 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-492 5 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-492 6   483E ONVOY, LLC - WA 674      
206-492 7 STTLWA03X1X  318J COMCAST IP PHONE, LLC 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: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.