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: 957

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-957 A West Chicago IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
630-957 0 West Chicago IL   460K FIRST COMMUNICATIONS, LLC 358   2004-07-12   
630-957 1 West Chicago IL   460K FIRST COMMUNICATIONS, LLC 358   2004-07-12   
630-957 2 West Chicago IL   460K FIRST COMMUNICATIONS, LLC 358   2004-07-12   
630-957 3 West Chicago IL   460K FIRST COMMUNICATIONS, LLC 358   2004-07-12   
630-957 4 West Chicago IL   224C ONVOY, LLC 358   2004-09-20   
630-957 5 West Chicago IL   829J PAETEC ITEL, LLC 358   2006-12-30   
630-957 6 West Chicago IL   460K FIRST COMMUNICATIONS, LLC 358   2004-07-12   
630-957 7 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2005-02-20   
630-957 8 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2005-02-20   
630-957 9 West Chicago IL   460K FIRST COMMUNICATIONS, LLC 358   2004-07-12   

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

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