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: OKBRILOADS0

1 2 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
630-218 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-368 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-472 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-537 A Hinsdale IL 9329 ILLINOIS BELL TEL CO 358      
630-537 2 Hinsdale IL 9329 ILLINOIS BELL TEL CO 358   2010-07-25   
630-537 3 Hinsdale IL 9329 ILLINOIS BELL TEL CO 358   2010-07-25   
630-537 4 Hinsdale IL 9329 ILLINOIS BELL TEL CO 358   2010-07-25   
630-537 5 Hinsdale IL 9329 ILLINOIS BELL TEL CO 358   2010-07-25   
630-537 6 Hinsdale IL 9329 ILLINOIS BELL TEL CO 358   2010-07-25   
630-571 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-572 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-573 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-574 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-575 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-586 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-586 0 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-586 1 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-586 2 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-586 3 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-586 4 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-586 5 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-586 6 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-586 8 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-586 9 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-623 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-623 0 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-623 1 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-623 2 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-623 3 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-623 4 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-623 5 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-623 6 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-623 7 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-623 8 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-623 9 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-645 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-684 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-706 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-706 2 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-706 3 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358   2000-07-09   
630-706 4 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358   2000-08-11   
630-706 5 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358   2000-09-12   
630-722 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-891 4 Hinsdale IL 9329 ILLINOIS BELL TEL CO 358   1999-12-30   
630-891 5 Hinsdale IL 9329 ILLINOIS BELL TEL CO 358   1999-11-09   
630-891 6 Hinsdale IL 9329 ILLINOIS BELL TEL CO 358   1999-11-09   
630-891 7 Hinsdale IL 9329 ILLINOIS BELL TEL CO 358   2000-04-13   
630-928 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-954 A Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      
630-954 0 Oak Brook IL 9329 ILLINOIS BELL TEL CO 358      

1 2 >>

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.