Local Calling Guide

Area code/prefix search

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NPA: 283 [Rate centres in NPA 283] [Dial plan for NPA 283]

NXX: 999

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
283-999 A Little Miami OH CNCNOHWSX9Z  765H WIDE VOICE, LLC - OH 922      
283-999 1 Little Miami OH CNCNOHRE8MD  197D VONAGE AMERICA LLC 922   2023-12-18   
283-999 2 Little Miami OH CNCNOHRE2MD  464C ONVOY, LLC - OH 922   2024-02-22   
283-999 3 Little Miami OH CNCNOHWSXAZ  321J HD CARRIER LLC 922   2023-12-14   
283-999 9 Little Miami OH CNCNOHWSX9Z  765H WIDE VOICE, LLC - OH 922   2023-12-14   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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