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]

NXX: 859

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
305-859 A Miami FL MIAMFLBARP0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46017      
305-859 0 Miami FL   4802 LEVEL 3 COMMUNICATIONS, LLC - FL 46017   2015-06-21   
305-859 1 Miami FL   982E BANDWIDTH.COM CLEC, LLC - FL 46017   2014-08-30   
305-859 2 Miami FL   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46017      
305-859 3 Miami FL   982E BANDWIDTH.COM CLEC, LLC - FL 46017   2014-08-30   
305-859 4 Miami FL   937C ONVOY, LLC - FL 46017   2018-03-31   
305-859 5 Miami FL   6889 OMNIPOINT MIAMI E LICENSE, LLC 46017   2013-07-12   
305-859 6 Miami FL   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46017      
305-859 7 Miami FL   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46017      
305-859 8 Miami FL   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46017      
305-859 9 Miami FL   9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 46017      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.