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: 812

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-812 A London OH CLMBOH1155Z  9748 AMERICAN MESSAGING SERVICES, LLC 324   2023-03-12  2023-03-12 

Last updated: Sat, 25 Feb 2023 02:10:49 UTC

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