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: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-576 A St Clairsville OH CLMBOH1152Z  6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324      
740-576 0 St Clairsville OH   6025 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 324   2011-02-02   
740-576 1 St Clairsville OH   624H ONVOY SPECTRUM, LLC 324   2024-08-02   
740-576 6 St Clairsville OH   464C ONVOY, LLC - OH 324   2015-07-04   
740-576 7 St Clairsville OH   508J CENTURYLINK COMMUNICATIONS, LLC 324   2014-07-07   

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

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