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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
224-212 A Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
224-212 2 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2003-12-13   
224-212 3 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2003-12-13   
224-212 4 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2003-12-13   
224-212 5 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2003-12-13   
224-212 6 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2004-09-03   
224-212 7 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2004-09-03   
224-544 A Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
224-544 4 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2007-04-27   
224-544 6 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2007-04-27   
224-544 7 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2007-08-02   
224-552 A Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
224-552 2 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2007-08-02   
224-552 3 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2007-08-02   
224-552 4 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2007-08-02   
224-552 6 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2007-08-02   
224-552 7 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2007-08-02   
224-552 8 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2006-11-03   
224-552 9 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2006-11-03   
224-880 A Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
224-880 2 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2011-06-22   
224-880 3 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2011-06-22   
224-880 4 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2011-06-22   
847-234 A Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-283 A Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-283 0 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-283 1 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-283 2 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-283 3 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-283 4 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-283 5 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-283 6 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-283 8 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-283 9 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-295 A Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-482 A Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-535 A Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-582 A Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-582 2 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-582 7 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-582 8 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-604 A Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-604 1 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-604 2 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-604 5 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-604 6 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-604 7 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-604 8 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-604 9 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-615 A Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-735 A Lake Forest IL 9329 ILLINOIS BELL TEL CO 358      
847-810 3 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2000-08-11   
847-810 4 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2000-08-11   
847-810 5 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2000-08-11   
847-810 6 Lake Forest IL 9329 ILLINOIS BELL TEL CO 358   2000-08-11   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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