Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 630 [Rate centres in NPA 630] [Dial plan for NPA 630]

NXX: 440

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-440 A West Chicago IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
630-440 0 West Chicago IL   6529 T-MOBILE USA, INC. 358      
630-440 1 West Chicago IL   6529 T-MOBILE USA, INC. 358      
630-440 2 West Chicago IL   6529 T-MOBILE USA, INC. 358      
630-440 3 West Chicago IL   6529 T-MOBILE USA, INC. 358   2004-03-19   
630-440 4 West Chicago IL   6529 T-MOBILE USA, INC. 358      
630-440 5 West Chicago IL   6529 T-MOBILE USA, INC. 358      
630-440 6 West Chicago IL   6529 T-MOBILE USA, INC. 358      
630-440 7 West Chicago IL   6529 T-MOBILE USA, INC. 358      
630-440 8 West Chicago IL   6529 T-MOBILE USA, INC. 358      
630-440 9 West Chicago IL   6529 T-MOBILE USA, INC. 358      

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

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