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
206-544 2 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-544 3 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-544 4 STTLWADUDS0  9638 QWEST CORPORATION 674      
206-544 5 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-544 6 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-544 7 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-544 8 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-544 9 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-545 A STTLWACADS0  9638 QWEST CORPORATION 674      
206-547 A STTLWACADS0  9638 QWEST CORPORATION 674      
206-548 A STTLWACADS0  9638 QWEST CORPORATION 674      
206-548 0 STTLWACADS0  9638 QWEST CORPORATION 674      
206-548 1 STTLWACADS0  9638 QWEST CORPORATION 674      
206-548 2 STTLWACADS0  9638 QWEST CORPORATION 674      
206-548 3 STTLWACADS0  9638 QWEST CORPORATION 674      
206-548 4 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674      
206-548 5 STTLWACADS0  9638 QWEST CORPORATION 674      
206-548 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-548 7 STTLWACADS0  9638 QWEST CORPORATION 674      
206-548 8 STTLWACADS0  9638 QWEST CORPORATION 674      
206-548 9 STTLWACADS0  9638 QWEST CORPORATION 674      
206-549 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-549 0 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-549 1 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-549 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-549 3 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-549 4 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-549 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-549 6 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-549 7 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-549 8 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-549 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-550 A STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-551 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-551 0 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-551 1 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-551 2 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-551 3 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-551 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-551 5 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-551 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-551 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-551 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-551 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-552 A STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674      
206-552 0 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674      
206-552 1 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-552 2 TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-552 3 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-552 4 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-552 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-552 6 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-552 7 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-552 8 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674      
206-552 9 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674      
206-553 A STTLWA06DS6  9638 QWEST CORPORATION 674      
206-553 0 STTLWA06DS6  9638 QWEST CORPORATION 674      
206-553 1 STTLWA06DS6  9638 QWEST CORPORATION 674      
206-553 2 STTLWA06DS6  9638 QWEST CORPORATION 674      
206-553 3 STTLWA06DS6  9638 QWEST CORPORATION 674      
206-553 4 STTLWA06DS6  9638 QWEST CORPORATION 674      
206-553 5 STTLWA06DS6  9638 QWEST CORPORATION 674      
206-553 6 STTLWA06DS6  9638 QWEST CORPORATION 674      
206-553 7 STTLWA06DS6  9638 QWEST CORPORATION 674      
206-553 8 STTLWA06DS6  9638 QWEST CORPORATION 674      
206-553 9 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-554 A STTLWA06DS0  9638 QWEST CORPORATION 674      
206-554 0 STTLWA06DS0  9638 QWEST CORPORATION 674      
206-554 1 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-554 2 STTLWA06DS0  9638 QWEST CORPORATION 674      
206-554 3 STTLWA06DS0  9638 QWEST CORPORATION 674      
206-554 4 STTLWA06DS0  9638 QWEST CORPORATION 674      
206-554 5 STTLWA06DS0  9638 QWEST CORPORATION 674      
206-554 6 STTLWA06DS0  9638 QWEST CORPORATION 674      
206-554 7 STTLWA06DS0  9638 QWEST CORPORATION 674      
206-554 8 STTLWA06DS0  9638 QWEST CORPORATION 674      
206-554 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-556 A STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-556 0 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-556 1 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-556 2 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-556 3 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-556 4 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-556 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-556 6 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-556 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-556 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-556 9 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-557 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-557 0 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-557 1 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-557 2 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-557 3 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-557 4 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-557 5 STTLWA06DSE  7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674      
206-557 6 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-557 7 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-557 8 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-557 9 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-559 A STTLWA06X8X  6630 USA MOBILITY WIRELESS, INC. 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: ISP Telecom

Like this site? We accept donations via PayPal.