Local Calling Guide

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NPA: 847 [Rate centres in NPA 847] [Dial plan for NPA 847]

NXX: 550

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
847-550 A Lake Zurich IL LKZRILLZDS0  9329 ILLINOIS BELL TEL CO 358      
847-550 0 Lake Zurich IL   9329 ILLINOIS BELL TEL CO 358      
847-550 1 Lake Zurich IL   9329 ILLINOIS BELL TEL CO 358      
847-550 2 Lake Zurich IL   9329 ILLINOIS BELL TEL CO 358      
847-550 3 Lake Zurich IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2006-04-06   
847-550 4 Lake Zurich IL   318J COMCAST IP PHONE, LLC 358   2012-01-27   
847-550 5 Lake Zurich IL   9329 ILLINOIS BELL TEL CO 358      
847-550 6 Lake Zurich IL   9329 ILLINOIS BELL TEL CO 358      
847-550 7 Lake Zurich IL   9329 ILLINOIS BELL TEL CO 358      
847-550 8 Lake Zurich IL   9329 ILLINOIS BELL TEL CO 358      
847-550 9 Lake Zurich IL   9329 ILLINOIS BELL TEL CO 358      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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