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: 456

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-456 A Wheaton IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-456 0 Wheaton IL   6529 T-MOBILE USA, INC. 358   2005-07-17   
630-456 1 Wheaton IL   6529 T-MOBILE USA, INC. 358   2004-08-27   
630-456 2 Wheaton IL   6529 T-MOBILE USA, INC. 358   2005-07-17   
630-456 3 Wheaton IL   6529 T-MOBILE USA, INC. 358   2005-02-21   
630-456 4 Wheaton IL   318J COMCAST IP PHONE, LLC 358   2003-02-13   
630-456 5 Wheaton IL   6529 T-MOBILE USA, INC. 358   2006-08-19   
630-456 6 Wheaton IL   6529 T-MOBILE USA, INC. 358   2006-01-30   
630-456 7 Wheaton IL   460K FIRST COMMUNICATIONS, LLC 358   2004-07-15   
630-456 8 Wheaton IL   6529 T-MOBILE USA, INC. 358   2006-06-01   
630-456 9 Wheaton IL   7421 AT&T - LOCAL 358      

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

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