Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 630 [Rate centres in NPA 630] [Dial plan for NPA 630]

NXX: 756

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-756 A Hinsdale IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-756 0 Hinsdale IL ELGNILOTGT5  5562 METROPCS, INC. 358   2026-07-12   
630-756 2 Hinsdale IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-756 3 Hinsdale IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-05-13   
630-756 4 Hinsdale IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-756 5 Hinsdale IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-756 6 Hinsdale IL CHCGIL24DS6  224C ONVOY, LLC 358   2020-03-10   
630-756 7 Hinsdale IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-756 8 Hinsdale IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2005-07-04   
630-756 9 Hinsdale IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      

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

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