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.

OCN: 6115 LEVEL 3 COMMUNICATIONS, LLC - IL

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
630-547 9 Glen Ellyn IL CHCGILGMDS7  358      
630-549 3 Geneva IL CHCGILGMDS7  358   2005-10-02   
630-557 5 Kaneville IL CHCGILGMDS7  358   2001-06-25   
630-560 A Hinsdale IL CHCGILGMDS7  358      
630-560 1 Hinsdale IL CHCGILGMDS7  358   2006-04-10   
630-560 2 Hinsdale IL CHCGILGMDS7  358   2006-04-10   
630-560 4 Hinsdale IL CHCGILGMDS7  358   2010-09-11   
630-560 5 Hinsdale IL CHCGILGMDS7  358   2012-03-24   
630-560 6 Hinsdale IL CHCGILGMDS7  358   2012-07-29   
630-560 8 Hinsdale IL CHCGILGMDS7  358   2006-01-16   
630-563 A Elmhurst IL CHCGILGMDS7  358      
630-563 0 Elmhurst IL CHCGILGMDS7  358      
630-563 1 Elmhurst IL CHCGILGMDS7  358      
630-563 2 Elmhurst IL CHCGILGMDS7  358      
630-563 3 Elmhurst IL CHCGILGMDS7  358      
630-563 4 Elmhurst IL CHCGILGMDS7  358      
630-563 5 Elmhurst IL CHCGILGMDS7  358      
630-563 6 Elmhurst IL CHCGILGMDS7  358      
630-563 7 Elmhurst IL CHCGILGMDS7  358      
630-563 9 Elmhurst IL CHCGILGMDS7  358      
630-566 A Aurora IL CHCGILGMDS7  358      
630-578 A Geneva IL CHCGILGMDS7  358      
630-578 0 Geneva IL CHCGILGMDS7  358      
630-578 1 Geneva IL CHCGILGMDS7  358      
630-578 2 Geneva IL CHCGILGMDS7  358      
630-578 3 Geneva IL CHCGILGMDS7  358      
630-578 6 Geneva IL CHCGILGMDS7  358      
630-578 7 Geneva IL CHCGILGMDS7  358      
630-578 8 Geneva IL CHCGILGMDS7  358      
630-580 7 Wheaton IL CHCGILGMDS7  358   2006-10-01   
630-581 2 Hinsdale IL CHCGILGMDS7  358   2013-01-28   
630-590 A Hinsdale IL CHCGILGMDS7  358      
630-590 0 Hinsdale IL CHCGILGMDS7  358   2012-11-10   
630-590 3 Hinsdale IL CHCGILGMDS7  358   2002-09-04   
630-590 8 Hinsdale IL CHCGILGMDS7  358   2002-09-04   
630-590 9 Hinsdale IL CHCGILGMDS7  358   2008-12-08   
630-592 A Elmhurst IL CHCGILGMDS7  358      
630-592 1 Elmhurst IL CHCGILGMDS7  358      
630-592 3 Elmhurst IL CHCGILGMDS7  358      
630-592 4 Elmhurst IL CHCGILGMDS7  358   2003-01-22   
630-592 5 Elmhurst IL CHCGILGMDS7  358      
630-592 6 Elmhurst IL CHCGILGMDS7  358      
630-592 7 Elmhurst IL CHCGILGMDS7  358      
630-592 8 Elmhurst IL CHCGILGMDS7  358   2005-02-04   
630-599 7 Lombard IL CHCGILGMDS7  358   2008-11-14   
630-599 8 Lombard IL CHCGILGMDS7  358   2010-11-20   
630-608 A Oswego IL CHCGILGMDS7  358      
630-608 0 Oswego IL CHCGILGMDS7  358   2005-03-04   
630-608 2 Oswego IL CHCGILGMDS7  358   2005-03-04   
630-608 4 Oswego IL CHCGILGMDS7  358      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.