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: 329 [Rate centres in NPA 329] [Dial plan for NPA 329]

NXX: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
329-500 A Poughkeepsie NY   977K YORKSTREAM COMMUNICATIONS LLC 133   2025-05-23   
329-500 0 Poughkeepsie NY   977K YORKSTREAM COMMUNICATIONS LLC 133   2025-05-23   
329-500 5 Poughkeepsie NY   977K YORKSTREAM COMMUNICATIONS LLC 133   2025-05-23   
329-500 9 Poughkeepsie NY   977K YORKSTREAM COMMUNICATIONS LLC 133   2025-05-23   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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