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: STTLWAWB36Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-206 A Seattle WA 616J LEAP TELECOM, LLC 674      
206-206 2 Seattle WA 616J LEAP TELECOM, LLC 674   2023-04-02   
206-206 4 Seattle WA 616J LEAP TELECOM, LLC 674   2023-04-02   
206-206 5 Seattle WA 616J LEAP TELECOM, LLC 674   2023-04-02   
206-206 6 Seattle WA 616J LEAP TELECOM, LLC 674   2023-04-02   
206-206 7 Seattle WA 616J LEAP TELECOM, LLC 674   2023-04-02   
206-862 A Seattle WA 616J LEAP TELECOM, LLC 674   2025-07-26   
206-862 0 Seattle WA 616J LEAP TELECOM, LLC 674   2025-07-26   
206-862 1 Seattle WA 616J LEAP TELECOM, LLC 674   2025-07-26   
206-862 2 Seattle WA 616J LEAP TELECOM, LLC 674   2025-07-26   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.