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.
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NPA: 509 [Rate centres in NPA 509] [Dial plan for NPA 509]

NXX: 909

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-909 A Pullman WA CRALIDXOEMD  114J EXIANT COMMUNICATIONS LLC 960   2026-07-02   
509-909 0 Pullman WA   145J TERRA NOVA TELECOM INC. 960   2026-08-08   
509-909 9 Pullman WA CRALIDXOEMD  114J EXIANT COMMUNICATIONS LLC 960   2026-07-02   

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

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