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: SPKNWAVR0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
509-206 1 Clarkston WA 073H TELNYX LLC 676   2023-09-10   
509-206 8 Clarkston WA 073H TELNYX LLC 676   2023-01-05   
509-206 9 Clarkston WA 073H TELNYX LLC 676   2023-04-13   
509-241 9 Spokane WA 073H TELNYX LLC 676   2022-06-26   
509-286 1 Latah WA 073H TELNYX LLC 676   2023-01-07   
509-743 0 Spokane WA 073H TELNYX LLC 676   2023-03-16   
509-800 A Clarkston WA 073H TELNYX LLC 676      
509-800 4 Clarkston WA 073H TELNYX LLC 676   2021-05-23   

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

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