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: 568

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-568 A Hinsdale IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-568 0 Hinsdale IL   7421 AT&T - LOCAL 358      
630-568 1 Hinsdale IL   939H COMMIO, LLC 358   2021-10-14   
630-568 2 Hinsdale IL   7421 AT&T - LOCAL 358      
630-568 3 Hinsdale IL   318J COMCAST IP PHONE, LLC 358   2011-09-30   
630-568 4 Hinsdale IL   460K FIRST COMMUNICATIONS, LLC 358   2012-09-02   
630-568 5 Hinsdale IL   318J COMCAST IP PHONE, LLC 358   2012-06-29   
630-568 6 Hinsdale IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-09-08   
630-568 7 Hinsdale IL   939H COMMIO, LLC 358   2021-10-14   
630-568 8 Hinsdale IL   829J PAETEC ITEL, LLC 358   2009-11-02   
630-568 9 Hinsdale IL   224C ONVOY, LLC 358   2008-09-11   

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

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