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: 373

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-373 A Marietta OH MRTTOH3737G  9321 OHIO BELL TEL CO 324      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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