Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 614 [Rate centres in NPA 614] [Dial plan for NPA 614]

NXX: 624

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
614-624 A Columbus OH CLMDOH44DS0  7460 LEVEL 3 TELECOM OF OHIO, LLC - OH 324      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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