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: 788

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
330-788 A Youngstown OH YNTWOH7878E  9321 OHIO BELL TEL CO 322      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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