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: 765 [Rate centres in NPA 765] [Dial plan for NPA 765]

NXX: 599

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
765-599 A New Castle IN NWCSIN01DS0  9325 INDIANA BELL TEL CO INC 336      
765-599 1 New Castle IN NWCSIN01DS0  9325 INDIANA BELL TEL CO INC 336      
765-599 2 New Castle IN NWCSIN01DS0  9325 INDIANA BELL TEL CO INC 336      
765-599 3 New Castle IN NWCSIN01DS0  9325 INDIANA BELL TEL CO INC 336      
765-599 4 New Castle IN NWCSIN01DS0  9325 INDIANA BELL TEL CO INC 336      
765-599 5 New Castle IN IPLWIN75EMD  145J TERRA NOVA TELECOM INC. 336   2024-05-10   
765-599 8 New Castle IN IPLUINWXAMD  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 336   2022-04-14   
765-599 9 New Castle IN NWCSIN01DS0  9325 INDIANA BELL TEL CO INC 336      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.