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: 614

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-614 A Newark OH NWRKOHXA6MD  624H ONVOY SPECTRUM, LLC 324   2024-04-07   
740-614 0 Newark OH CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324   2025-04-26   
740-614 6 Newark OH NWRKOHXA6MD  624H ONVOY SPECTRUM, LLC 324   2024-04-07   
740-614 7 Newark OH CMBROHXBAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2026-04-02   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.