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]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
630-504 4 Bartlett IL   6529 T-MOBILE USA, INC. 358   2021-08-12   
630-504 5 Bartlett IL   6529 T-MOBILE USA, INC. 358   2021-08-12   
630-504 6 Bartlett IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-12-12   
630-504 7 Bartlett IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-12-12   
630-504 8 Bartlett IL   6529 T-MOBILE USA, INC. 358   2009-06-18   
630-504 9 Bartlett IL   6529 T-MOBILE USA, INC. 358   2008-12-08   
630-505 A Naperville Northeast IL NPVLILNEDS0  9329 ILLINOIS BELL TEL CO 358      
630-505 0 Naperville Northeast IL   9329 ILLINOIS BELL TEL CO 358      
630-505 1 Naperville Northeast IL   9329 ILLINOIS BELL TEL CO 358      
630-505 2 Naperville Northeast IL   9329 ILLINOIS BELL TEL CO 358      
630-505 3 Naperville Northeast IL   9329 ILLINOIS BELL TEL CO 358      
630-505 4 Naperville Northeast IL   9329 ILLINOIS BELL TEL CO 358      
630-505 5 Naperville Northeast IL   9329 ILLINOIS BELL TEL CO 358      
630-505 6 Naperville Northeast IL   624H ONVOY SPECTRUM, LLC 358   2021-12-17   
630-505 7 Naperville Northeast IL   9329 ILLINOIS BELL TEL CO 358      
630-505 8 Naperville Northeast IL   9329 ILLINOIS BELL TEL CO 358      
630-505 9 Naperville Northeast IL   9329 ILLINOIS BELL TEL CO 358      
630-506 A Aurora IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
630-506 0 Aurora IL   6529 T-MOBILE USA, INC. 358   2010-08-08   
630-506 1 Aurora IL   6529 T-MOBILE USA, INC. 358   2010-10-28   
630-506 2 Aurora IL   6529 T-MOBILE USA, INC. 358   2010-10-30   
630-506 3 Aurora IL   6529 T-MOBILE USA, INC. 358   2010-10-28   
630-506 4 Aurora IL   6529 T-MOBILE USA, INC. 358   2010-10-28   
630-506 5 Aurora IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2010-11-20   
630-506 6 Aurora IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-11-27   
630-506 7 Aurora IL   6529 T-MOBILE USA, INC. 358   2011-07-31   
630-506 8 Aurora IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-01-01   
630-506 9 Aurora IL   6529 T-MOBILE USA, INC. 358   2010-08-08   
630-507 A Schaumburg IL SCBGILRRGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
630-507 9 Schaumburg IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-12-08   
630-508 A Northbrook West IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
630-508 0 Northbrook West IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
630-508 1 Northbrook West IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
630-509 A Bensenville IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-509 0 Bensenville IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   
630-509 1 Bensenville IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2013-04-27   
630-509 2 Bensenville IL   318J COMCAST IP PHONE, LLC 358   2011-11-26   
630-509 3 Bensenville IL   318J COMCAST IP PHONE, LLC 358   2013-08-01   
630-509 4 Bensenville IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2016-07-11   
630-509 6 Bensenville IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2017-03-09   
630-509 7 Bensenville IL   224C ONVOY, LLC 358   2015-05-11   
630-509 8 Bensenville IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2016-07-11   
630-509 9 Bensenville IL   7421 AT&T - LOCAL 358      
630-510 A Wheaton IL WHTNILWHDS0  9329 ILLINOIS BELL TEL CO 358      
630-512 A Downers Grove IL DWGVILDGDS1  9329 ILLINOIS BELL TEL CO 358      
630-512 0 Downers Grove IL   9329 ILLINOIS BELL TEL CO 358      
630-512 1 Downers Grove IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2007-08-30   
630-512 2 Downers Grove IL   9329 ILLINOIS BELL TEL CO 358      
630-512 3 Downers Grove IL   9329 ILLINOIS BELL TEL CO 358      
630-512 4 Downers Grove IL   9329 ILLINOIS BELL TEL CO 358      
630-512 5 Downers Grove IL   9329 ILLINOIS BELL TEL CO 358      
630-512 6 Downers Grove IL   9329 ILLINOIS BELL TEL CO 358      
630-512 7 Downers Grove IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2007-06-11   
630-512 8 Downers Grove IL   9329 ILLINOIS BELL TEL CO 358      
630-512 9 Downers Grove IL   9329 ILLINOIS BELL TEL CO 358      
630-513 A Geneva IL GENVILGNDS0  9329 ILLINOIS BELL TEL CO 358      
630-514 A La Grange IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
630-514 0 La Grange IL   6529 T-MOBILE USA, INC. 358      
630-514 1 La Grange IL   6529 T-MOBILE USA, INC. 358      
630-514 2 La Grange IL   6529 T-MOBILE USA, INC. 358      
630-514 3 La Grange IL   6529 T-MOBILE USA, INC. 358      
630-514 4 La Grange IL   6529 T-MOBILE USA, INC. 358      
630-514 5 La Grange IL   6529 T-MOBILE USA, INC. 358      
630-514 6 La Grange IL   6529 T-MOBILE USA, INC. 358      
630-514 7 La Grange IL   6529 T-MOBILE USA, INC. 358      
630-514 8 La Grange IL   6529 T-MOBILE USA, INC. 358      
630-514 9 La Grange IL   6529 T-MOBILE USA, INC. 358      
630-515 A Downers Grove IL DWGVILDGDS1  9329 ILLINOIS BELL TEL CO 358      
630-516 A Elmhurst IL EMHRILETDS0  9329 ILLINOIS BELL TEL CO 358      
630-517 A Wheaton IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-517 0 Wheaton IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-02-04   
630-517 1 Wheaton IL   9329 ILLINOIS BELL TEL CO 358   2004-11-02   
630-517 2 Wheaton IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-07-18   
630-517 3 Wheaton IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2008-07-18   
630-517 4 Wheaton IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
630-517 5 Wheaton IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-09-22   
630-517 6 Wheaton IL   145J TERRA NOVA TELECOM INC. 358   2025-06-02   
630-517 7 Wheaton IL   9329 ILLINOIS BELL TEL CO 358   2008-04-24   
630-517 8 Wheaton IL   318J COMCAST IP PHONE, LLC 358   2006-08-24   
630-517 9 Wheaton IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2013-10-14   
630-518 A Aurora IL EGVGILIFDS1  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
630-518 0 Aurora IL   6529 T-MOBILE USA, INC. 358   2005-07-08   
630-518 1 Aurora IL   6529 T-MOBILE USA, INC. 358   2003-02-03   
630-518 2 Aurora IL   6529 T-MOBILE USA, INC. 358   2003-02-03   
630-518 3 Aurora IL   9329 ILLINOIS BELL TEL CO 358   2001-05-28   
630-518 4 Aurora IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2003-01-11   
630-518 5 Aurora IL   6529 T-MOBILE USA, INC. 358   2003-02-03   
630-518 6 Aurora IL   6529 T-MOBILE USA, INC. 358   2003-03-08   
630-518 7 Aurora IL   6529 T-MOBILE USA, INC. 358   2003-05-16   
630-518 8 Aurora IL   6529 T-MOBILE USA, INC. 358   2003-12-04   
630-518 9 Aurora IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358      
630-519 A Lombard IL CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-519 0 Lombard IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
630-519 1 Lombard IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2013-07-19   
630-519 2 Lombard IL   8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL 358   2007-08-02   
630-519 3 Lombard IL   318J COMCAST IP PHONE, LLC 358      
630-519 4 Lombard IL   318J COMCAST IP PHONE, LLC 358      
630-519 5 Lombard IL   318J COMCAST IP PHONE, LLC 358   2014-05-17   
630-519 6 Lombard IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2014-05-19   
630-519 7 Lombard IL   508J CENTURYLINK COMMUNICATIONS, LLC 358   2013-06-28   

<< 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 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.