Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: MRNGILMRRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-568 A Marengo IL 9329 ILLINOIS BELL TEL CO 358      
815-568 0 Marengo IL 9329 ILLINOIS BELL TEL CO 358      
815-568 1 Marengo IL 9329 ILLINOIS BELL TEL CO 358      
815-568 2 Marengo IL 9329 ILLINOIS BELL TEL CO 358      
815-568 3 Marengo IL 9329 ILLINOIS BELL TEL CO 358      
815-568 4 Marengo IL 9329 ILLINOIS BELL TEL CO 358      
815-568 5 Marengo IL 9329 ILLINOIS BELL TEL CO 358      
815-568 6 Marengo IL 9329 ILLINOIS BELL TEL CO 358      
815-568 7 Marengo IL 9329 ILLINOIS BELL TEL CO 358      
815-568 8 Marengo IL 9329 ILLINOIS BELL TEL CO 358      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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