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.

Terre Haute, OH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
937-788 A TRRHOHXARS1  0594 THE CHAMPAIGN TELEPHONE COMPANY 328      
937-933 A DYTNOH22XXX  7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 328      
937-933 4   793K TWC IP ENABLED SERVICES, LLC 328   2007-07-26   
937-933 6 DYTNOHKT0MD  516J TON80 COMMUNICATIONS, LLC 328   2021-06-14   
937-933 9 DYTNOH22XXX  7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 328   2006-11-01   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.