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: 480

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-480 A Centerburg OH MNFDOHMM0MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 923      
740-480 0 Centerburg OH   145J TERRA NOVA TELECOM INC. 923   2025-08-08   
740-480 1 Centerburg OH   001F BANDWIDTH.COM CLEC, LLC - OH 923   2013-06-15   
740-480 2 Centerburg OH   464C ONVOY, LLC - OH 923   2016-04-19   
740-480 3 Centerburg OH   464C ONVOY, LLC - OH 923   2016-04-19   
740-480 4 Centerburg OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 923   2005-03-10   
740-480 5 Centerburg OH   464C ONVOY, LLC - OH 923   2016-04-19   
740-480 7 Centerburg OH   508J CENTURYLINK COMMUNICATIONS, LLC 923   2013-12-19   
740-480 8 Centerburg OH   793K TWC IP ENABLED SERVICES, LLC 923   2007-02-13   

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

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