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.

Switch: WHTNILWHDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
630-260 A Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-384 A Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-384 3 Wheaton IL 9329 ILLINOIS BELL TEL CO 358   2003-04-14   
630-384 5 Wheaton IL 9329 ILLINOIS BELL TEL CO 358   2003-04-14   
630-407 2 Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-407 5 Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-407 6 Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-407 8 Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-462 A Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-510 A Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-517 1 Wheaton IL 9329 ILLINOIS BELL TEL CO 358   2004-11-02   
630-517 7 Wheaton IL 9329 ILLINOIS BELL TEL CO 358   2008-04-24   
630-580 2 Wheaton IL 9329 ILLINOIS BELL TEL CO 358   2004-09-03   
630-588 A Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-653 A Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-665 A Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-668 A Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-681 A Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-682 A Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-690 A Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-765 6 Wheaton IL 9329 ILLINOIS BELL TEL CO 358   2008-04-24   
630-765 8 Wheaton IL 9329 ILLINOIS BELL TEL CO 358   2008-04-24   
630-784 A Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-871 A Wheaton IL 9329 ILLINOIS BELL TEL CO 358      
630-909 4 Wheaton IL 9329 ILLINOIS BELL TEL CO 358   2000-08-15   
630-909 5 Wheaton IL 9329 ILLINOIS BELL TEL CO 358   2000-08-15   
630-909 6 Wheaton IL 9329 ILLINOIS BELL TEL CO 358   2006-06-02   
630-909 7 Wheaton IL 9329 ILLINOIS BELL TEL CO 358   2006-06-02   
630-909 8 Wheaton IL 9329 ILLINOIS BELL TEL CO 358   2006-06-02   
630-933 A Wheaton IL 9329 ILLINOIS BELL TEL CO 358      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.