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: 813

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-813 A Naperville IL NPVLILNADS0  9329 ILLINOIS BELL TEL CO 358      
630-813 0 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-813 1 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-813 2 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-813 3 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-813 4 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-813 5 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-813 6 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-813 7 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-813 8 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-813 9 Naperville IL   9329 ILLINOIS BELL TEL CO 358      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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