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.

Switch: PTTWWA010MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
360-316 4 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2018-11-15   
360-316 8 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2019-12-17   
360-381 A Port Townsend WA 6529 T-MOBILE USA, INC. 674      
360-381 0 Port Townsend WA 6529 T-MOBILE USA, INC. 674      
360-381 1 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2023-02-10   
360-381 2 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2023-12-15   
360-381 3 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2021-12-16   
360-381 4 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2023-12-15   
360-381 5 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2023-12-15   
360-381 6 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2021-12-16   
360-390 1 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2022-05-16   
360-390 2 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2022-05-16   
360-390 3 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2022-05-16   
360-554 8 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2024-01-24   
360-554 9 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2024-01-24   
360-643 A Port Townsend WA 6529 T-MOBILE USA, INC. 674      
360-643 0 Port Townsend WA 6529 T-MOBILE USA, INC. 674      
360-643 1 Port Townsend WA 6529 T-MOBILE USA, INC. 674      
360-643 2 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2022-10-19   
360-643 3 Port Townsend WA 6529 T-MOBILE USA, INC. 674      
360-643 4 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2021-10-18   
360-643 5 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2021-10-18   
360-643 6 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2021-05-27   
360-643 7 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2021-05-27   
360-643 8 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2021-02-27   
360-643 9 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2007-07-06   
360-774 9 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2020-10-24   
360-821 A Port Townsend WA 6529 T-MOBILE USA, INC. 674      
360-821 1 Port Townsend WA 6529 T-MOBILE USA, INC. 674      
360-821 2 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2010-12-31   
360-821 3 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2022-10-20   
360-821 4 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2022-10-20   
360-821 5 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2022-08-19   
360-821 6 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2022-08-19   
360-821 7 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2022-08-19   
360-821 8 Port Townsend WA 6529 T-MOBILE USA, INC. 674   2006-01-14   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.