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: SPKNWADZ8MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
509-238 8 Elk-Greenbluff WA 145J TERRA NOVA TELECOM INC. 676      
509-476 6 Oroville WA 145J TERRA NOVA TELECOM INC. 676      
509-852 6 Cle Elum WA 145J TERRA NOVA TELECOM INC. 676      
509-900 A Spokane WA 145J TERRA NOVA TELECOM INC. 676      
509-923 6 Pateros WA 145J TERRA NOVA TELECOM INC. 676      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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