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: 566

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
765-566 A Burlington IN BURLIN01RSA  9325 INDIANA BELL TEL CO INC 336      
765-566 0 Burlington IN   073H TELNYX LLC 336   2018-05-09   
765-566 2 Burlington IN   9325 INDIANA BELL TEL CO INC 336      
765-566 3 Burlington IN   9325 INDIANA BELL TEL CO INC 336      
765-566 5 Burlington IN   516C AT&T CORP. 336   2011-08-19   
765-566 6 Burlington IN   105F BANDWIDTH.COM CLEC, LLC - IN 336   2022-07-15   
765-566 7 Burlington IN   279F PEERLESS NETWORK OF INDIANA, LLC - IN 336   2011-10-27   
765-566 8 Burlington IN   279F PEERLESS NETWORK OF INDIANA, LLC - IN 336   2020-10-26   
765-566 9 Burlington IN   624H ONVOY SPECTRUM, LLC 336   2021-06-11   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.