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: 236

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
283-236 A Mason OH CNCNOHRE2MD  464C ONVOY, LLC - OH 922   2026-06-28   
283-236 0 Mason OH CNCNOHRE2MD  464C ONVOY, LLC - OH 922   2026-06-28   
283-236 1 Mason OH   6529 T-MOBILE USA, INC. 922   2026-08-10   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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