Local Calling Guide

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

NXX: 627

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-627 A Mount Vernon OH MNFDOHXAX1X  5562 METROPCS, INC. 923      
740-627 0 Mount Vernon OH MNFDOHXAX1X  6701 AERIAL COMMUNICATIONS, INC. 923      
740-627 1 Mount Vernon OH MNFDOHXAX1X  6701 AERIAL COMMUNICATIONS, INC. 923      
740-627 3 Mount Vernon OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 923   2026-01-14   
740-627 4 Mount Vernon OH MNFDOHXAXDX  464C ONVOY, LLC - OH 923   2023-08-13   
740-627 5 Mount Vernon OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 923   2025-08-22   
740-627 6 Mount Vernon OH MNFDOHXAX1X  6701 AERIAL COMMUNICATIONS, INC. 923      
740-627 7 Mount Vernon OH MNFDOHXAX1X  5562 METROPCS, INC. 923      
740-627 8 Mount Vernon OH MNFDOHXAXDX  464C ONVOY, LLC - OH 923   2024-04-05   
740-627 9 Mount Vernon OH MNFDOHXAXDX  464C ONVOY, LLC - OH 923   2024-04-05   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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