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: 289 [Rate centres in NPA 289] [Dial plan for NPA 289]

NXX: 422

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
289-422 A Ajax-Pickering ON PCNGON62BMD  2782 TELUS INTEGRATED COMMUNICATIONS 888 805118    

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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