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: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-380 A Schaumburg IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
630-380 0 Schaumburg IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2024-05-13   
630-380 1 Schaumburg IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2024-05-13   
630-380 3 Schaumburg IL CHCGIL24DS6  224C ONVOY, LLC 358   2009-04-07   
630-380 4 Schaumburg IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2011-11-18   
630-380 5 Schaumburg IL CHCGIL24DS6  224C ONVOY, LLC 358   2009-04-07   
630-380 8 Schaumburg IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2024-05-13   
630-380 9 Schaumburg IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2024-05-13   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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