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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-562 A West Chicago IL WCHCILWCDS0  9329 AMERITECH ILLINOIS 358      
630-562 0 West Chicago IL   9329 AMERITECH ILLINOIS 358      
630-562 1 West Chicago IL   9329 AMERITECH ILLINOIS 358      
630-562 2 West Chicago IL   9329 AMERITECH ILLINOIS 358      
630-562 3 West Chicago IL   9329 AMERITECH ILLINOIS 358      
630-562 4 West Chicago IL   9329 AMERITECH ILLINOIS 358      
630-562 5 West Chicago IL   9329 AMERITECH ILLINOIS 358      
630-562 6 West Chicago IL   6529 T-MOBILE USA, INC. 358   2005-09-22   
630-562 7 West Chicago IL   9329 AMERITECH ILLINOIS 358      
630-562 8 West Chicago IL   9329 AMERITECH ILLINOIS 358      
630-562 9 West Chicago IL   9329 AMERITECH ILLINOIS 358      

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.