Local Calling Guide

Area code/prefix search

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

NXX: 556

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
740-556 A Lancaster OH CLMDOH44DS5  6630 USA MOBILITY WIRELESS, INC. 324      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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