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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
206-608 A Richmond Beach WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674   2024-01-21   
206-609 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674   2024-09-27   
206-610 A Richmond Beach WA BOTHWAAK3MD  6529 T-MOBILE USA, INC. 674   2024-10-21   
206-612 A Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-613 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-614 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-615 A Seattle WA STTLWAELDS0  9638 QWEST CORPORATION 674      
206-616 A Seattle WA STTLWADJDS1  577F RINGSQUARED TELECOM LLC 674      
206-617 A Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-618 A Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-619 A Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-620 A Seattle WA STTLWAWBXQZ  197D VONAGE AMERICA LLC 674      
206-621 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-622 A Seattle WA STTLWA06DS6  9638 QWEST CORPORATION 674      
206-623 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-624 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-625 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-626 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-627 A Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-628 A Seattle WA STTLWA06DS6  9638 QWEST CORPORATION 674      
206-629 A Richmond Beach WA STTLWA06DSE  7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674      
206-630 A Seattle WA STTLWA03DS0  9638 QWEST CORPORATION 674      
206-631 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-632 A Seattle WA STTLWACADS0  9638 QWEST CORPORATION 674      
206-633 A Seattle WA STTLWACADS0  9638 QWEST CORPORATION 674      
206-634 A Seattle WA STTLWACADS0  9638 QWEST CORPORATION 674      
206-635 A Seattle WA STTLWAWBY0X  425J CSC WIRELESS, LLC 674      
206-636 A Seattle WA STTLWAWB09Z  181J ADVANCED TELECOM SOLUTIONS, LLC 674      
206-637 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-638 A Seattle WA STTLWAWB22Z  515J IP HORIZON LLC 674      
206-639 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-640 A Seattle WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-641 A Seattle WA STTLWAGAPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-642 A Seattle WA STTLWA06X8X  6630 USA MOBILITY WIRELESS, INC. 674      
206-643 A Seattle WA STTLWA06XBX  551G NUSO, LLC 674      
206-644 A Seattle WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
206-645 A Seattle WA STTLWA06X8X  6630 USA MOBILITY WIRELESS, INC. 674      
206-646 A Seattle WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-647 A Richmond Beach WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-649 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-650 A Seattle WA STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-651 A Des Moines WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-652 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-653 A Des Moines WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-654 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-655 A Seattle WA STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
206-656 A Seattle WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-657 A Seattle WA STTLWA060MD  5562 METROPCS, INC. 674      
206-658 A Seattle WA STTLWADUDS0  9638 QWEST CORPORATION 674      
206-659 A Seattle WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      

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

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