Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 283 [Rate centres in NPA 283] [Dial plan for NPA 283]

NXX: 238

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
283-238 A Cincinnati OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 922   2026-02-09   
283-238 6 Cincinnati OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 922   2026-02-09   
283-238 7 Cincinnati OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 922   2026-02-09   
283-238 8 Cincinnati OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 922   2026-02-09   
283-238 9 Cincinnati OH   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 922   2026-02-09   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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