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: 540

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-540 A Bartlett IL BRTLILBTDS0  9329 ILLINOIS BELL TEL CO 358      
630-540 0 Bartlett IL BRTLILBTDS0  9329 ILLINOIS BELL TEL CO 358      
630-540 1 Bartlett IL BRTLILBTDS0  9329 ILLINOIS BELL TEL CO 358      
630-540 2 Bartlett IL BRTLILBTDS0  9329 ILLINOIS BELL TEL CO 358      
630-540 3 Bartlett IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-540 4 Bartlett IL BRTLILBTDS0  9329 ILLINOIS BELL TEL CO 358      
630-540 5 Bartlett IL BRTLILBTDS0  9329 ILLINOIS BELL TEL CO 358      
630-540 6 Bartlett IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-08-02   
630-540 7 Bartlett IL BRTLILBTDS0  9329 ILLINOIS BELL TEL CO 358      
630-540 8 Bartlett IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-08-02   
630-540 9 Bartlett IL BRTLILBTDS0  9329 ILLINOIS BELL TEL CO 358      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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