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
630-621 A West Chicago IL EKGVILAADS0  7721 BROADWING COMMUNICATIONS, LLC - IL 358      
630-621 0 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2004-07-31   
630-621 1 West Chicago IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358      
630-621 2 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2004-07-31   
630-621 3 West Chicago IL   7721 BROADWING COMMUNICATIONS, LLC - IL 358      
630-621 4 West Chicago IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2003-08-18   
630-621 5 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2004-07-31   
630-621 6 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2004-03-15   
630-621 7 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2003-11-02   
630-621 8 West Chicago IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2003-11-02   
630-621 9 West Chicago IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-02-15   

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

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.