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: 392

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
765-392 A Carthage IN RCMDINDX2MD  4803 LEVEL 3 COMMUNICATIONS, LLC - IN 937      
765-392 0 Carthage IN   318J COMCAST IP PHONE, LLC 937   2006-05-19   
765-392 1 Carthage IN   7459 HANCOCK COMMUNICATIONS, INC. - IN 937   2007-06-29   
765-392 2 Carthage IN   097D ONVOY, LLC - IN 937   2020-11-01   
765-392 3 Carthage IN   097D ONVOY, LLC - IN 937   2020-11-01   
765-392 4 Carthage IN   4803 LEVEL 3 COMMUNICATIONS, LLC - IN 937      
765-392 5 Carthage IN   939H COMMIO, LLC 937   2023-10-26   
765-392 6 Carthage IN   939H COMMIO, LLC 937   2023-10-26   
765-392 7 Carthage IN   508J CENTURYLINK COMMUNICATIONS, LLC 937   2014-06-10   
765-392 8 Carthage IN   073H TELNYX LLC 937   2022-08-15   
765-392 9 Carthage IN   097D ONVOY, LLC - IN 937   2023-08-13   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.