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: 875

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
330-875 A Louisville OH LSVLOH8787E  9321 OHIO BELL TEL CO 325      

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

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