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: 516C AT&T CORP.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
305-690 7 North Dade FL MIAMFLACUMD  46017   2014-06-18   
305-741 A Keys FL MIAMFLACUMD  46017      
305-741 7 Keys FL MIAMFLACUMD  46017   2009-09-26   
305-916 A Keys FL MIAMFLACUMD  46017      
305-916 5 Keys FL MIAMFLACUMD  46017   2014-05-16   
305-964 5 Perrine FL MIAMFLACUMD  46017   2011-01-18   
305-974 2 North Dade FL MIAMFLACUMD  46017   2010-10-15   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.