Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Bolingbrook, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
630-226 A BGBKILBKDS0  9329 ILLINOIS BELL TEL CO 358      
630-378 A BGBKILBKDS0  9329 ILLINOIS BELL TEL CO 358      
630-378 0   9329 ILLINOIS BELL TEL CO 358      
630-378 1   9329 ILLINOIS BELL TEL CO 358      
630-378 2   9329 ILLINOIS BELL TEL CO 358      
630-378 3   9329 ILLINOIS BELL TEL CO 358      
630-378 4   9329 ILLINOIS BELL TEL CO 358      
630-378 5   9329 ILLINOIS BELL TEL CO 358      
630-378 6   9329 ILLINOIS BELL TEL CO 358      
630-378 7   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2007-09-19   
630-378 8   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2008-05-27   
630-378 9   9329 ILLINOIS BELL TEL CO 358      
630-679 A BGBKILBKDS0  9329 ILLINOIS BELL TEL CO 358      
630-759 A BGBKILBKDS0  9329 ILLINOIS BELL TEL CO 358      
630-771 A BGBKILBKDS0  9329 ILLINOIS BELL TEL CO 358      
630-771 0   9329 ILLINOIS BELL TEL CO 358      
630-771 1   9329 ILLINOIS BELL TEL CO 358      
630-771 2   9329 ILLINOIS BELL TEL CO 358      
630-771 3   9329 ILLINOIS BELL TEL CO 358      
630-771 4   9329 ILLINOIS BELL TEL CO 358      
630-771 6   9329 ILLINOIS BELL TEL CO 358      
630-771 7   9329 ILLINOIS BELL TEL CO 358      
630-771 8   9329 ILLINOIS BELL TEL CO 358      
630-771 9   9329 ILLINOIS BELL TEL CO 358      

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

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