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: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-646 A Naperville IL NPVLILNADS0  9329 ILLINOIS BELL TEL CO 358      
630-646 0 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-646 1 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-646 2 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-646 3 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-646 4 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-646 5 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-646 6 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-646 7 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-646 8 Naperville IL   9329 ILLINOIS BELL TEL CO 358      
630-646 9 Naperville IL   9329 ILLINOIS BELL TEL CO 358      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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