Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 513 [Rate centres in NPA 513] [Dial plan for NPA 513]

NXX: 529

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
513-529 A Oxford OH HMTNOHHMDS0  309B CINCINNATI BELL EXTENDED TERRITORIES LLC - OH 922      

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

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