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
206-303 7 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2003-07-16   
206-303 8 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2003-07-16   
206-303 9 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2003-07-16   
206-305 A STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
206-305 0 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-09-01   
206-305 1 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-09-01   
206-305 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-09-01   
206-305 3 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-09-09   
206-305 4 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-09-09   
206-305 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-10-01   
206-305 6 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-10-01   
206-305 7 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-10-01   
206-305 8 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-10-01   
206-305 9 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-10-01   
206-306 A STTLWA04DS0  9638 QWEST CORPORATION 674      
206-306 0 STTLWA04DS0  9638 QWEST CORPORATION 674      
206-306 1 STTLWA04DS0  9638 QWEST CORPORATION 674      
206-306 2 STTLWA04DS0  9638 QWEST CORPORATION 674      
206-306 3 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2006-03-09   
206-306 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2006-03-09   
206-306 5 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2006-04-27   
206-306 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2006-04-27   
206-306 7 STTLWA04DS0  9638 QWEST CORPORATION 674      
206-306 8 STTLWA04DS0  9638 QWEST CORPORATION 674      
206-306 9 STTLWA04DS0  9638 QWEST CORPORATION 674      
206-307 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-307 0 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2007-07-09   
206-307 1 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2007-08-16   
206-307 2 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2007-08-16   
206-307 3 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2007-07-10   
206-307 4 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2008-03-30   
206-307 5 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2008-03-30   
206-307 6 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2008-03-30   
206-307 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2008-03-30   
206-307 8 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2008-03-30   
206-307 9 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2008-03-30   
206-308 A STTLWAWB24Z  453J CORETEL WASHINGTON, INC. - WA 674      
206-308 0 STTLWA06XCX  5562 METROPCS, INC. 674   2018-11-17   
206-308 1 STTLWA06XCX  5562 METROPCS, INC. 674   2018-11-17   
206-308 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-09-26   
206-308 3 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2018-12-13   
206-308 4 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-09-26   
206-308 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-10-16   
206-308 6 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-10-16   
206-308 7 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-11-11   
206-308 8 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2018-12-10   
206-308 9 STTLWA06XCX  5562 METROPCS, INC. 674   2018-11-17   
206-309 A STTLWAWBDS1  483E ONVOY, LLC - WA 674      
206-310 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-313 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 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.