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: 732J NUSO, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
305-380 5 Miami FL   46017   2025-08-08   

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.