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: 740 [Rate centres in NPA 740] [Dial plan for NPA 740]

NXX: 289

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-289 A Piketon OH PKTNOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      
740-289 0 Piketon OH   0615 FRONTIER NORTH, INC. - OH 324      
740-289 1 Piketon OH   0615 FRONTIER NORTH, INC. - OH 324      
740-289 2 Piketon OH   0615 FRONTIER NORTH, INC. - OH 324      
740-289 3 Piketon OH   0615 FRONTIER NORTH, INC. - OH 324      
740-289 4 Piketon OH   0615 FRONTIER NORTH, INC. - OH 324      
740-289 5 Piketon OH   0615 FRONTIER NORTH, INC. - OH 324      
740-289 7 Piketon OH   516J TON80 COMMUNICATIONS, LLC 324   2021-10-23   
740-289 8 Piketon OH   0615 FRONTIER NORTH, INC. - OH 324      
740-289 9 Piketon OH   0615 FRONTIER NORTH, INC. - OH 324      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.