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: 450 [Rate centres in NPA 450] [Dial plan for NPA 450]

NXX: 763

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
450-763 A Coteau-du-Lac QC CTDCPQ27RS1  8050 BELL QUEBEC 888 805004    

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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