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: 386 [Rate centres in NPA 386] [Dial plan for NPA 386]

NXX: 374

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
386-374 A Oak Hill FL DYBHFLPOXTX  515J IP HORIZON LLC 45601   2024-07-14   
386-374 1 Oak Hill FL DYBHFLPOXTX  515J IP HORIZON LLC 45601   2024-07-14   
386-374 2 Oak Hill FL DYBHFLPOXTX  515J IP HORIZON LLC 45601   2024-07-14   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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