Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Schiller Park, IL

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
847-801 5   224C ONVOY, LLC 358   2004-09-20   
847-801 6   224C ONVOY, LLC 358   2020-02-17   
847-801 7   224C ONVOY, LLC 358   2020-02-17   
847-801 8   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-04-10   
847-801 9   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-03-08   
847-928 A SCPKILSPDS0  9329 ILLINOIS BELL TEL CO 358      
847-994 A   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-994 0   460K FIRST COMMUNICATIONS, LLC 358   2000-10-31   
847-994 1   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-994 2   145J TERRA NOVA TELECOM INC. 358   2024-08-09   
847-994 3   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
847-994 4   224C ONVOY, LLC 358   2020-02-26   
847-994 5   9329 ILLINOIS BELL TEL CO 358   2000-12-27   
847-994 6   9329 ILLINOIS BELL TEL CO 358   2000-12-27   
847-994 7   829J PAETEC ITEL, LLC 358   2006-04-02   
847-994 8   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   1999-03-10   

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

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