Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 330 [Rate centres in NPA 330] [Dial plan for NPA 330]

NXX: 534

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
330-534 A Hubbard OH HBRDOH02RS1  9321 OHIO BELL TEL CO 322      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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