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: 393

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-393 A Kirtland OH CLEVOHEKMMD  515J IP HORIZON LLC 320   2024-03-31   
440-393 1 Kirtland OH   515J IP HORIZON LLC 320   2024-03-31   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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