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: 664

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-664 A New Marshfield OH NWMROHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-664 1 New Marshfield OH NWMROHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-664 2 New Marshfield OH NWMROHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-664 3 New Marshfield OH NWMROHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-664 4 New Marshfield OH NWMROHXARS0  0615 FRONTIER NORTH, INC. - OH 324      
740-664 5 New Marshfield OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-03-11   
740-664 6 New Marshfield OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2019-06-07   
740-664 7 New Marshfield OH CLMKOHPE0MD  793K TWC IP ENABLED SERVICES, LLC 324   2014-03-08   
740-664 8 New Marshfield OH CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-04-13   
740-664 9 New Marshfield OH CLMBOH1125Z  508J CENTURYLINK COMMUNICATIONS, LLC 324   2014-07-08   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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