Local Calling Guide

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NPA: 740 [Rate centres in NPA 740] [Dial plan for NPA 740]

NXX: 324

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-324 A Mount Vernon OH MNFDOHXAX1X  6701 AERIAL COMMUNICATIONS, INC. 923      
740-324 0 Mount Vernon OH MNFDOHXAX1X  6701 AERIAL COMMUNICATIONS, INC. 923      
740-324 1 Mount Vernon OH MNFDOHXAX1X  6701 AERIAL COMMUNICATIONS, INC. 923   2009-12-16   
740-324 2 Mount Vernon OH MNFDOHXAX1X  6701 AERIAL COMMUNICATIONS, INC. 923   2021-06-16   
740-324 3 Mount Vernon OH MNFDOHXAX1X  6701 AERIAL COMMUNICATIONS, INC. 923   2021-06-16   
740-324 4 Mount Vernon OH MNFDOHXAX1X  6701 AERIAL COMMUNICATIONS, INC. 923   2021-06-16   
740-324 5 Mount Vernon OH MNFDOHXAXAX  001F BANDWIDTH.COM CLEC, LLC - OH 923   2015-06-19   
740-324 6 Mount Vernon OH   464C ONVOY, LLC - OH 923   2026-04-04   
740-324 7 Mount Vernon OH MNFDOHXAXAX  001F BANDWIDTH.COM CLEC, LLC - OH 923   2013-05-05   
740-324 8 Mount Vernon OH MNFDOHXAX0Y  073H TELNYX LLC 923   2021-01-09   
740-324 9 Mount Vernon OH MNFDOHXAX1X  6701 AERIAL COMMUNICATIONS, INC. 923      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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