Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 630 [Rate centres in NPA 630] [Dial plan for NPA 630]

NXX: 458

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-458 A Lombard IL LBRDILLMDS1  9329 ILLINOIS BELL TEL CO 358      
630-458 0 Lombard IL   9329 ILLINOIS BELL TEL CO 358      
630-458 1 Lombard IL   9329 ILLINOIS BELL TEL CO 358      
630-458 2 Lombard IL   9329 ILLINOIS BELL TEL CO 358      
630-458 3 Lombard IL   9329 ILLINOIS BELL TEL CO 358      
630-458 4 Lombard IL   9329 ILLINOIS BELL TEL CO 358      
630-458 5 Lombard IL   9329 ILLINOIS BELL TEL CO 358      
630-458 6 Lombard IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2004-05-03   
630-458 7 Lombard IL   9329 ILLINOIS BELL TEL CO 358      
630-458 8 Lombard IL   9329 ILLINOIS BELL TEL CO 358      
630-458 9 Lombard IL   9329 ILLINOIS BELL TEL CO 358      

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

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