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: 428

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
440-428 A Madison OH MDSNOHXA42C  0666 WINDSTREAM WESTERN RESERVE, INC. 320      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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