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.

Hallsville, OH

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
740-655 A HLVLOHXARS1  0597 CHILLICOTHE TEL. CO. 324      
740-655 0   0597 CHILLICOTHE TEL. CO. 324      
740-655 2   0597 CHILLICOTHE TEL. CO. 324      
740-655 3   0597 CHILLICOTHE TEL. CO. 324      
740-655 4   793K TWC IP ENABLED SERVICES, LLC 324   2007-10-16   
740-655 5   965H FRACTEL, LLC 324   2020-03-07   
740-655 6   145J TERRA NOVA TELECOM INC. 324   2025-07-19   
740-655 7   0597 CHILLICOTHE TEL. CO. 324      
740-655 8   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2024-02-25   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.