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: 770

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-770 A Frankfort OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324      
740-770 7 Frankfort OH CLMDOHZI6MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 324   2024-02-25   
740-770 9 Frankfort OH   145J TERRA NOVA TELECOM INC. 324   2025-08-12   

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

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