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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 305 [Rate centres in NPA 305] [Dial plan for NPA 305]

Region: FL

OCN: 436J HADLO TECHNOLOGIES, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
305-786 A Miami FL MIAUFLWSYMD  46017      
305-786 9 Miami FL MIAUFLWSYMD  46017   2023-07-07   

Last updated: Sat, 02 May 2026 12:20:53 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.