Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 440 [Rate centres in NPA 440] [Dial plan for NPA 440]

NXX: 775

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-775 A Oberlin OH OBRLOHXADS1  0615 FRONTIER NORTH, INC. - OH 320      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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