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 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
206-480 2 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2017-07-31   
206-480 3 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2017-07-31   
206-480 4 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2017-07-31   
206-480 5 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2017-07-31   
206-480 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2017-08-11   
206-480 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2017-08-11   
206-480 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2017-08-11   
206-480 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2017-08-11   
206-481 A STTLWA05DS0  9638 QWEST CORPORATION 674      
206-481 0 STTLWA05DS0  9638 QWEST CORPORATION 674   2016-06-04   
206-481 1 STTLWA05DS0  9638 QWEST CORPORATION 674   2016-06-04   
206-481 2 STTLWA05DS0  9638 QWEST CORPORATION 674   2016-06-04   
206-481 3 STTLWA05DS0  9638 QWEST CORPORATION 674   2016-06-04   
206-481 4 STTLWA05DS0  9638 QWEST CORPORATION 674   2016-06-04   
206-481 5 STTLWA05DS0  9638 QWEST CORPORATION 674   2016-06-04   
206-481 6 STTLWA05DS0  9638 QWEST CORPORATION 674   2016-06-04   
206-481 7 STTLWA05DS0  9638 QWEST CORPORATION 674   2016-06-04   
206-481 8 STTLWA05DS0  9638 QWEST CORPORATION 674   2016-06-04   
206-481 9 STTLWA05DS0  9638 QWEST CORPORATION 674   2016-06-04   
206-482 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-482 0 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-03-07   
206-482 1 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-03-07   
206-482 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-04-04   
206-482 3 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-04-04   
206-482 4 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-05-02   
206-482 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-05-02   
206-482 6 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2016-03-06   
206-482 7 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2016-03-06   
206-482 8 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2016-03-06   
206-482 9 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2016-03-06   
206-483 A STTLWA060MD  6529 T-MOBILE USA, INC. 674      
206-483 0 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2016-07-16   
206-483 1 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2016-07-16   
206-483 2 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2016-07-16   
206-483 3 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2016-07-16   
206-483 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2016-07-16   
206-483 5 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2016-07-16   
206-483 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2016-07-16   
206-483 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2016-07-16   
206-483 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2016-07-16   
206-483 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2016-07-15   
206-484 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-485 A STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674      
206-485 0 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2016-05-09   
206-485 1 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2016-05-09   
206-485 2 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2016-05-09   
206-485 3 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2016-05-09   
206-485 4 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2016-05-09   
206-485 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-08-22   
206-485 6 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2016-09-02   

<< 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 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.