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: 330 [Rate centres in NPA 330] [Dial plan for NPA 330]

NXX: 427

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
330-427 A Leetonia OH LTNAOH02RS1  9321 OHIO BELL TEL CO 322      
330-427 0 Leetonia OH   9321 OHIO BELL TEL CO 322      
330-427 1 Leetonia OH   9321 OHIO BELL TEL CO 322      
330-427 2 Leetonia OH   9321 OHIO BELL TEL CO 322      
330-427 3 Leetonia OH   464C ONVOY, LLC - OH 322   2017-04-27   
330-427 4 Leetonia OH   464C ONVOY, LLC - OH 322   2019-05-24   
330-427 5 Leetonia OH   793K TWC IP ENABLED SERVICES, LLC 322   2016-11-07   
330-427 6 Leetonia OH   9321 OHIO BELL TEL CO 322      
330-427 7 Leetonia OH   9321 OHIO BELL TEL CO 322      
330-427 8 Leetonia OH   464C ONVOY, LLC - OH 322   2019-05-24   
330-427 9 Leetonia OH   145J TERRA NOVA TELECOM INC. 322   2022-04-13   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.