Local Calling Guide

Area code/prefix search

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

NXX: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-399 A Mount Vernon OH MTVROHXA39E  0661 UNITED TEL. CO. OF OHIO DBA CENTURYLINK 923      

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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