Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 630 [Rate centres in NPA 630] [Dial plan for NPA 630]

NXX: 479

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-479 A Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
630-479 0 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
630-479 1 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
630-479 2 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
630-479 3 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
630-479 4 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
630-479 5 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
630-479 6 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
630-479 7 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
630-479 8 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      
630-479 9 Northbrook IL CHCGILMF8MD  6529 T-MOBILE USA, INC. 358      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.