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: 656

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-656 A Lombard IL   6529 T-MOBILE USA, INC. 358   2025-03-17   
630-656 0 Lombard IL   6529 T-MOBILE USA, INC. 358   2010-08-31   
630-656 1 Lombard IL   318J COMCAST IP PHONE, LLC 358   2008-09-18   
630-656 2 Lombard IL   6529 T-MOBILE USA, INC. 358   2009-01-27   
630-656 3 Lombard IL   6529 T-MOBILE USA, INC. 358   2008-05-12   
630-656 4 Lombard IL   6529 T-MOBILE USA, INC. 358   2008-05-12   
630-656 5 Lombard IL   829J PAETEC ITEL, LLC 358   2009-11-02   
630-656 6 Lombard IL   5447 ACCESS ONE, INC. - IL 358   2008-09-22   
630-656 7 Lombard IL   6529 T-MOBILE USA, INC. 358   2008-10-07   
630-656 8 Lombard IL   6529 T-MOBILE USA, INC. 358   2008-10-07   
630-656 9 Lombard IL   224C ONVOY, LLC 358   2014-11-11   

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

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