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NPA: 815 [Rate centres in NPA 815] [Dial plan for NPA 815]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
815-517 3 De Kalb IL   5562 METROPCS, INC. 364   2011-07-08   
815-517 4 De Kalb IL   6529 T-MOBILE USA, INC. 364   2014-11-15   
815-517 5 De Kalb IL   6529 T-MOBILE USA, INC. 364   2014-11-15   
815-517 6 De Kalb IL   6529 T-MOBILE USA, INC. 364   2014-11-15   
815-517 7 De Kalb IL   5562 METROPCS, INC. 364   2012-05-11   
815-517 8 De Kalb IL   5562 METROPCS, INC. 364   2008-03-29   
815-517 9 De Kalb IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 364   2004-08-15   
815-518 A Coal City IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
815-518 0 Coal City IL   460K FIRST COMMUNICATIONS, LLC 358      
815-518 1 Coal City IL   5447 ACCESS ONE, INC. - IL 358   2006-01-27   
815-518 2 Coal City IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2012-08-27   
815-518 3 Coal City IL   460K FIRST COMMUNICATIONS, LLC 358   2003-07-07   
815-518 4 Coal City IL   829J PAETEC ITEL, LLC 358   2009-11-10   
815-518 5 Coal City IL   318J COMCAST IP PHONE, LLC 358   2005-07-01   
815-518 6 Coal City IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2012-05-03   
815-518 8 Coal City IL   145J TERRA NOVA TELECOM INC. 358   2024-07-11   
815-518 9 Coal City IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2012-05-03   
815-519 A Rockford IL RCFRILRCMMD  6529 T-MOBILE USA, INC. 360      
815-519 0 Rockford IL   6529 T-MOBILE USA, INC. 360      
815-519 1 Rockford IL   6529 T-MOBILE USA, INC. 360      
815-519 2 Rockford IL   6529 T-MOBILE USA, INC. 360      
815-519 3 Rockford IL   6529 T-MOBILE USA, INC. 360      
815-519 4 Rockford IL   6529 T-MOBILE USA, INC. 360      
815-519 5 Rockford IL   6529 T-MOBILE USA, INC. 360      
815-519 6 Rockford IL   6529 T-MOBILE USA, INC. 360      
815-519 7 Rockford IL   6529 T-MOBILE USA, INC. 360      
815-519 8 Rockford IL   6529 T-MOBILE USA, INC. 360      
815-519 9 Rockford IL   6529 T-MOBILE USA, INC. 360      
815-520 A Rockford IL RCFRILRTX5Y  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 360      
815-521 A Minooka IL MINKILMKDS0  9329 ILLINOIS BELL TEL CO 358      
815-521 0 Minooka IL   9329 ILLINOIS BELL TEL CO 358      
815-521 1 Minooka IL   9329 ILLINOIS BELL TEL CO 358      
815-521 2 Minooka IL   9329 ILLINOIS BELL TEL CO 358      
815-521 3 Minooka IL   9329 ILLINOIS BELL TEL CO 358      
815-521 4 Minooka IL   9329 ILLINOIS BELL TEL CO 358      
815-521 5 Minooka IL   9329 ILLINOIS BELL TEL CO 358      
815-521 6 Minooka IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2004-05-29   
815-521 7 Minooka IL   9329 ILLINOIS BELL TEL CO 358      
815-521 9 Minooka IL   9329 ILLINOIS BELL TEL CO 358      
815-522 A Kirkland IL KRLDILXARS0  1036 FRONTIER NORTH, INC. - IL 364      
815-522 0 Kirkland IL   846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL 364   2010-04-09   
815-522 1 Kirkland IL   224C ONVOY, LLC 364   2019-09-07   
815-522 2 Kirkland IL   1036 FRONTIER NORTH, INC. - IL 364      
815-522 3 Kirkland IL   1036 FRONTIER NORTH, INC. - IL 364      
815-522 4 Kirkland IL   073H TELNYX LLC 364   2020-07-13   
815-522 5 Kirkland IL   224C ONVOY, LLC 364   2018-10-01   
815-522 6 Kirkland IL   1036 FRONTIER NORTH, INC. - IL 364      
815-522 7 Kirkland IL   6115 LEVEL 3 COMMUNICATIONS, LLC - IL 364   2014-08-08   
815-522 8 Kirkland IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 364   2020-03-09   
815-522 9 Kirkland IL   1036 FRONTIER NORTH, INC. - IL 364      
815-523 A Kankakee IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-523 0 Kankakee IL   6529 T-MOBILE USA, INC. 358   2014-06-18   
815-523 1 Kankakee IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2003-04-06   
815-523 2 Kankakee IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2003-04-06   
815-523 3 Kankakee IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2003-04-06   
815-523 4 Kankakee IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2003-04-06   
815-523 5 Kankakee IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2025-01-31   
815-523 6 Kankakee IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-11-18   
815-523 7 Kankakee IL   318J COMCAST IP PHONE, LLC 358   2008-12-12   
815-523 8 Kankakee IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2003-04-06   
815-523 9 Kankakee IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-524 A Lockport IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-524 0 Lockport IL   224C ONVOY, LLC 358   2021-11-18   
815-524 1 Lockport IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-09-10   
815-524 2 Lockport IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2010-10-30   
815-524 3 Lockport IL   318J COMCAST IP PHONE, LLC 358   2006-09-10   
815-524 4 Lockport IL   318J COMCAST IP PHONE, LLC 358   2006-09-10   
815-524 5 Lockport IL   318J COMCAST IP PHONE, LLC 358   2005-07-01   
815-524 6 Lockport IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2010-10-30   
815-524 7 Lockport IL   516C AT&T CORP. 358   2007-02-22   
815-524 8 Lockport IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-09-01   
815-524 9 Lockport IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-525 A South Beloit IL   520K TDS METROCOM, LLC 354      
815-526 A Crystal Lake IL CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-526 0 Crystal Lake IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-11-27   
815-526 1 Crystal Lake IL   460K FIRST COMMUNICATIONS, LLC 358   2011-01-01   
815-526 2 Crystal Lake IL   5562 METROPCS, INC. 358   2005-07-17   
815-526 3 Crystal Lake IL   318J COMCAST IP PHONE, LLC 358   2010-05-14   
815-526 4 Crystal Lake IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-526 5 Crystal Lake IL   5447 ACCESS ONE, INC. - IL 358   2006-01-27   
815-526 7 Crystal Lake IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2005-08-11   
815-526 8 Crystal Lake IL   7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2005-08-11   
815-527 A Woodstock IL CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-527 0 Woodstock IL   224C ONVOY, LLC 358   2013-11-13   
815-527 1 Woodstock IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2007-07-30   
815-527 2 Woodstock IL   6529 T-MOBILE USA, INC. 358   2010-04-30   
815-527 3 Woodstock IL   224C ONVOY, LLC 358   2013-11-13   
815-527 4 Woodstock IL   224C ONVOY, LLC 358   2013-11-13   
815-527 5 Woodstock IL   516C AT&T CORP. 358   2006-05-02   
815-527 6 Woodstock IL   984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-17   
815-527 7 Woodstock IL   318J COMCAST IP PHONE, LLC 358   2007-09-07   
815-527 8 Woodstock IL   224C ONVOY, LLC 358   2013-11-13   
815-527 9 Woodstock IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-528 A McHenry IL CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-528 0 McHenry IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-06   
815-528 1 McHenry IL   829J PAETEC ITEL, LLC 358   2008-08-29   
815-528 2 McHenry IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
815-528 3 McHenry IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
815-528 4 McHenry IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
815-528 5 McHenry IL   145J TERRA NOVA TELECOM INC. 358   2025-07-26   

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

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