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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-999 6 Sugar Grove IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-09-06   
630-999 7 Sugar Grove IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2008-09-06   
630-999 8 Sugar Grove IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2008-12-12   
630-999 9 Sugar Grove IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2007-12-19   

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

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