Local Calling Guide

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

NXX: 225

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
283-225 A Hamilton OH CNCNOHWSXGY  6529 T-MOBILE USA, INC. 922   2024-10-24   
283-225 0 Hamilton OH CNCNOHWSXGY  6529 T-MOBILE USA, INC. 922   2024-11-22   
283-225 1 Hamilton OH CNCNOHAMAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 922   2024-11-28   
283-225 2 Hamilton OH CNCNOHAMAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 922   2025-01-07   
283-225 3 Hamilton OH CNCNOHAMAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 922   2025-01-07   
283-225 4 Hamilton OH CNCNOHAMAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 922   2025-01-07   
283-225 5 Hamilton OH CNCNOHAMAMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 922   2025-01-07   
283-225 6 Hamilton OH CNCNOHWSDSA  284F PEERLESS NETWORK OF OHIO, LLC - OH 922   2024-11-21   
283-225 7 Hamilton OH CNCNOHWSXLZ  490J BOOST SUBSCRIBERCO L.L.C. 922   2026-09-13   
283-225 8 Hamilton OH CNCNOHWSDSA  284F PEERLESS NETWORK OF OHIO, LLC - OH 922   2026-07-18   
283-225 9 Hamilton OH CNCNOHWSXGY  6529 T-MOBILE USA, INC. 922   2024-10-24   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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