Local Calling Guide

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

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-403 A Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674   2025-01-07   
206-404 A Seattle WA STTLWAELDS0  9638 QWEST CORPORATION 674      
206-405 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-406 A Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-407 A Seattle WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-408 A Vashon WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-409 A Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-410 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-412 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-413 A Seattle WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-414 A Seattle WA   483E ONVOY, LLC - WA 674   2025-02-16   
206-415 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-416 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-417 A Seattle WA STTLWA04DS0  9638 QWEST CORPORATION 674      
206-418 A Seattle WA STTLWA04DS0  9638 QWEST CORPORATION 674      
206-419 A Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-420 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-421 A Seattle WA STTLWA06DS0  9638 QWEST CORPORATION 674      
206-422 A Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-423 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-424 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-426 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-427 A Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-428 A Seattle WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-429 A Des Moines WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-430 A Seattle WA TKWLWALL4MD  508J CENTURYLINK COMMUNICATIONS, LLC 674      
206-431 A Seattle WA STTLWACHDS0  9638 QWEST CORPORATION 674      
206-432 A Seattle WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-433 A Seattle WA STTLWACHDS0  9638 QWEST CORPORATION 674      
206-434 A Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-435 A Seattle WA STTLWA06DSE  7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674      
206-436 A Seattle WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-437 A Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-438 A Seattle WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-439 A Seattle WA STTLWACHDS0  9638 QWEST CORPORATION 674      
206-440 A Seattle WA STTLWA04DS0  9638 QWEST CORPORATION 674      
206-441 A Seattle WA STTLWAELDS0  9638 QWEST CORPORATION 674      
206-442 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-443 A Seattle WA STTLWAELDS0  9638 QWEST CORPORATION 674      
206-444 A Seattle WA STTLWACHDS0  9638 QWEST CORPORATION 674      
206-445 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-446 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-447 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-448 A Seattle WA STTLWAELDS0  9638 QWEST CORPORATION 674      
206-449 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-450 A Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-451 A Bainbridge Island WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-452 A Seattle WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-453 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-454 A Seattle WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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