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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
206-660 A Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-661 A Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-662 A Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-663 A Seattle WA STTLWA06X8X  6630 USA MOBILITY WIRELESS, INC. 674      
206-664 A Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-665 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-666 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-667 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-668 A Seattle WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-669 A Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-670 A Seattle WA STTLWAWB23Z  495J STRATUS NETWORKS 674      
206-671 A Seattle WA STTLWA060MD  5562 METROPCS, INC. 674      
206-672 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-673 A Seattle WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-674 A Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-675 A Seattle WA STTLWACADS0  9638 QWEST CORPORATION 674      
206-676 A Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-677 A Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-678 A Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-679 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-680 A Seattle WA STTLWA06X8X  6630 USA MOBILITY WIRELESS, INC. 674      
206-681 A Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-682 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-683 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-684 A Seattle WA STTLWA06DS6  9638 QWEST CORPORATION 674      
206-685 A Seattle WA STTLWACADS0  9638 QWEST CORPORATION 674      
206-686 A Seattle WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-687 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-688 A Seattle WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-689 A Seattle WA STTLWA06DS6  9638 QWEST CORPORATION 674      
206-690 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-691 A Seattle WA STTLWA05DS0  9638 QWEST CORPORATION 674      
206-692 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-693 A Seattle WA STTLWA03X7X  829J PAETEC ITEL, LLC 674      
206-694 A Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-695 A Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-696 A Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-697 A Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-698 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-699 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2024-11-15   
206-701 A Seattle WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-702 A Seattle WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-703 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-704 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-705 A Seattle WA STTLWA03X7X  829J PAETEC ITEL, LLC 674      
206-706 A Seattle WA STTLWASUDS0  9638 QWEST CORPORATION 674      
206-707 A Seattle WA STTLWAWB22Z  515J IP HORIZON LLC 674      
206-708 A Seattle WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-709 A Seattle WA STTLWA03DS0  9638 QWEST CORPORATION 674      
206-710 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      

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

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