Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 740 [Rate centres in NPA 740] [Dial plan for NPA 740]

NXX: 717

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-717 A Radnor OH DLWROHXASMD  624H ONVOY SPECTRUM, LLC 324      
740-717 1 Radnor OH   145J TERRA NOVA TELECOM INC. 324   2025-07-24   
740-717 7 Radnor OH DLWROHXASMD  624H ONVOY SPECTRUM, LLC 324   2023-06-12   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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