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 BRIGHTSPEED OF NORTHWEST OHIO, INC. 923      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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