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: 766

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-766 A Ostrander OH   464C ONVOY, LLC - OH 324      
740-766 0 Ostrander OH CLMBOHLT7MD  073H TELNYX LLC 324   2021-01-09   
740-766 1 Ostrander OH DLWROHXASMD  624H ONVOY SPECTRUM, LLC 324   2023-05-08   
740-766 2 Ostrander OH DLWROHXAKMD  464C ONVOY, LLC - OH 324   2021-03-24   
740-766 3 Ostrander OH CLMDOH44JMD  965H FRACTEL, LLC 324   2020-03-07   
740-766 4 Ostrander OH DLWROHXAKMD  464C ONVOY, LLC - OH 324   2021-02-12   
740-766 5 Ostrander OH CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324   2025-10-10   
740-766 6 Ostrander OH DLWROHXAKMD  464C ONVOY, LLC - OH 324   2018-09-20   
740-766 8 Ostrander OH CLMDOH44NMD  490J BOOST SUBSCRIBERCO L.L.C. 324   2022-12-16   
740-766 9 Ostrander OH   145J TERRA NOVA TELECOM INC. 324   2025-07-25   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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