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: 665

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-665 A Gratiot OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
740-665 0 Gratiot OH CLMBOHLT7MD  073H TELNYX LLC 324   2021-03-12   
740-665 1 Gratiot OH NWRKOHXA6MD  624H ONVOY SPECTRUM, LLC 324   2024-10-28   
740-665 7 Gratiot OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2016-07-10   
740-665 8 Gratiot OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2016-07-10   

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

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