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: 787

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-787 A Gratiot OH GRTTOHXARP0  0665 WINDSTREAM OHIO, LLC 324      
740-787 1 Gratiot OH GRTTOHXARP0  0665 WINDSTREAM OHIO, LLC 324      
740-787 2 Gratiot OH GRTTOHXARP0  0665 WINDSTREAM OHIO, LLC 324      
740-787 3 Gratiot OH NWRKOH950MD  601G HORIZON SERVICES, INC. - OH 324   2012-12-29   
740-787 4 Gratiot OH CLMDOH44MMD  516J TON80 COMMUNICATIONS, LLC 324   2021-09-10   
740-787 5 Gratiot OH CLMKOHPE0MD  793K TWC IP ENABLED SERVICES, LLC 324   2008-04-04   
740-787 6 Gratiot OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2016-05-19   
740-787 7 Gratiot OH CLMBOH1125Z  508J CENTURYLINK COMMUNICATIONS, LLC 324   2015-06-26   
740-787 8 Gratiot OH GRTTOHXARP0  0665 WINDSTREAM OHIO, LLC 324      
740-787 9 Gratiot OH GRTTOHXARP0  0665 WINDSTREAM OHIO, LLC 324      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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