Local Calling Guide

Area code/prefix search

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NPA: 779 [Rate centres in NPA 779] [Dial plan for NPA 779]

NXX: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-450 A Hinckley IL   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 364   2026-12-22   
779-450 3 Hinckley IL   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 364   2026-12-22   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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