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: PTLDOR13X9X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
360-247 8 Amboy WA 145J TERRA NOVA TELECOM INC. 672   2026-05-01   
458-353 3 Pilot Rock OR 145J TERRA NOVA TELECOM INC. 672   2026-01-12   
509-538 9 Willard WA 145J TERRA NOVA TELECOM INC. 672   2026-03-15   
541-288 2 The Dalles OR 145J TERRA NOVA TELECOM INC. 672   2026-03-13   
541-400 2 Hood River OR 145J TERRA NOVA TELECOM INC. 672   2026-03-13   
564-777 A Castle Rock WA 145J TERRA NOVA TELECOM INC. 672      
564-888 A Vancouver WA 145J TERRA NOVA TELECOM INC. 672      

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

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