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 42 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
206-843 0 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2025-01-04   
206-843 1 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2025-01-04   
206-843 2 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2025-01-04   
206-843 3 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2025-01-04   
206-843 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2024-12-27   
206-843 5 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2024-12-27   
206-843 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2024-12-27   
206-843 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2024-12-27   
206-843 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2024-12-27   
206-843 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2024-12-27   
206-844 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-844 0 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-07-14   
206-844 1 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-07-14   
206-844 2 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-07-14   
206-844 3 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-07-14   
206-844 4 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-07-14   
206-844 5 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-07-14   
206-844 6 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-07-14   
206-844 7 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-07-14   
206-844 8 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-07-14   
206-844 9 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-07-14   
206-845 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-02-23   
206-845 0 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-02-23   
206-845 1 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-02-23   
206-845 2 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-02-23   
206-845 3 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-02-23   
206-845 4 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-02-23   
206-845 5 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-02-23   
206-845 6 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-02-23   
206-845 7 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-02-23   
206-845 8 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-02-23   
206-845 9 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-02-23   
206-847 A   6529 T-MOBILE USA, INC. 674   2025-05-18   
206-847 0   006F BANDWIDTH.COM CLEC, LLC - WA 674   2025-05-19   
206-847 1   732J NUSO, LLC 674   2025-05-19   
206-847 2   732J NUSO, LLC 674   2025-05-19   
206-847 3   732J NUSO, LLC 674   2025-05-19   
206-847 4   490J DISH WIRELESS, LLC 674   2025-06-06   
206-847 5   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2025-05-22   
206-847 6   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2025-05-22   
206-847 7   490J DISH WIRELESS, LLC 674   2025-11-01   
206-847 8   6529 T-MOBILE USA, INC. 674   2025-05-18   
206-847 9   6529 T-MOBILE USA, INC. 674   2025-05-18   
206-848 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-848 0 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-10-09   
206-848 1 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-10-09   
206-848 2 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-10-09   
206-848 3 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-10-09   
206-848 4 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-10-09   
206-848 5 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-10-09   
206-848 6 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-10-09   
206-848 7 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-10-09   
206-848 8 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-10-09   
206-848 9 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2021-10-09   
206-849 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-850 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-850 0 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-850 1 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-850 2 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-850 3 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-850 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-850 5 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-850 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-850 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-850 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-850 9 STTLWA060MD  5562 METROPCS, INC. 674      
206-851 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-851 0 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-851 1 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-851 2 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-851 3 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-851 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-851 5 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-851 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-851 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-851 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-851 9 STTLWA060MD  5562 METROPCS, INC. 674      
206-852 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-852 0 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-852 1 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-852 2 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-852 3 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-852 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-852 5 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-852 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-852 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-852 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-852 9 STTLWA060MD  5562 METROPCS, INC. 674      
206-853 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-853 0 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-853 1 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-853 2 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-853 3 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-853 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-853 5 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-853 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-853 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-853 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-853 9 STTLWA060MD  5562 METROPCS, INC. 674      
206-854 A STTLWA060MD  6529 T-MOBILE USA, 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 42 >>

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.