Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 847 [Rate centres in NPA 847] [Dial plan for NPA 847]

NXX: 283

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
847-283 A Lake Forest IL LKFRILLFRP0  9329 ILLINOIS BELL TEL CO 358      
847-283 0 Lake Forest IL   9329 ILLINOIS BELL TEL CO 358      
847-283 1 Lake Forest IL   9329 ILLINOIS BELL TEL CO 358      
847-283 2 Lake Forest IL   9329 ILLINOIS BELL TEL CO 358      
847-283 3 Lake Forest IL   9329 ILLINOIS BELL TEL CO 358      
847-283 4 Lake Forest IL   9329 ILLINOIS BELL TEL CO 358      
847-283 5 Lake Forest IL   9329 ILLINOIS BELL TEL CO 358      
847-283 6 Lake Forest IL   9329 ILLINOIS BELL TEL CO 358      
847-283 7 Lake Forest IL   460K FIRST COMMUNICATIONS, LLC 358   2004-07-16   
847-283 8 Lake Forest IL   9329 ILLINOIS BELL TEL CO 358      
847-283 9 Lake Forest IL   9329 ILLINOIS BELL TEL CO 358      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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