Local Calling Guide

Area code/prefix search

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Lemont North, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
630-252 A LEMTILLNDS0  9329 ILLINOIS BELL TEL CO 358      
630-427 A LEMTILLNDS0  9329 ILLINOIS BELL TEL CO 358      
630-427 0 LEMTILLNDS0  9329 ILLINOIS BELL TEL CO 358      
630-427 1 LEMTILLNDS0  9329 ILLINOIS BELL TEL CO 358      
630-427 2 LEMTILLNDS0  9329 ILLINOIS BELL TEL CO 358      
630-427 3 LEMTILLNDS0  9329 ILLINOIS BELL TEL CO 358      
630-427 4 CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-09-10   
630-427 5 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2007-04-06   
630-427 6 CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2005-02-24   
630-427 7 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2007-04-06   
630-427 8 CHCGIL24DS6  224C ONVOY, LLC 358   2007-11-22   
630-427 9 LEMTILLNDS0  9329 ILLINOIS BELL TEL CO 358      
630-739 A LEMTILLNDS0  9329 ILLINOIS BELL TEL CO 358      
630-783 A LEMTILLNDS0  9329 ILLINOIS BELL TEL CO 358      
630-910 A LEMTILLNDS0  9329 ILLINOIS BELL TEL CO 358      
630-972 A LEMTILLNDS0  9329 ILLINOIS BELL TEL CO 358      
630-985 A LEMTILLNDS0  9329 ILLINOIS BELL TEL CO 358      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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