Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 730 [Rate centres in NPA 730] [Dial plan for NPA 730]

NXX: 281

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
730-281 A Oakdale IL   792K CHARTER IP ENABLED SERVICES, LLC 520   2025-10-23   
730-281 1 Oakdale IL   792K CHARTER IP ENABLED SERVICES, LLC 520   2025-10-23   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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