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: 458

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-458 A Clarington OH CATNOH45RS1  9321 OHIO BELL TEL CO 324      
740-458 0 Clarington OH CATNOH45RS1  9321 OHIO BELL TEL CO 324      
740-458 1 Clarington OH CATNOH45RS1  9321 OHIO BELL TEL CO 324      
740-458 8 Clarington OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2015-07-03   
740-458 9 Clarington OH   145J TERRA NOVA TELECOM INC. 324   2021-11-01   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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