Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 708 [Rate centres in NPA 708] [Dial plan for NPA 708]

NXX: 728

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
708-728 A Summit IL SMMTILSMDS0  9329 ILLINOIS BELL TEL CO 358      
708-728 0 Summit IL   9329 ILLINOIS BELL TEL CO 358      
708-728 1 Summit IL   9329 ILLINOIS BELL TEL CO 358      
708-728 2 Summit IL   9329 ILLINOIS BELL TEL CO 358      
708-728 3 Summit IL   9329 ILLINOIS BELL TEL CO 358      
708-728 4 Summit IL   9329 ILLINOIS BELL TEL CO 358      
708-728 5 Summit IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2009-09-18   
708-728 6 Summit IL   9329 ILLINOIS BELL TEL CO 358      
708-728 7 Summit IL   9329 ILLINOIS BELL TEL CO 358      
708-728 8 Summit IL   9329 ILLINOIS BELL TEL CO 358      
708-728 9 Summit IL   9329 ILLINOIS BELL TEL CO 358      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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