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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
815-523 0 Kankakee IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2014-06-18   
815-523 1 Kankakee IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2003-04-06   
815-523 2 Kankakee IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2003-04-06   
815-523 3 Kankakee IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2003-04-06   
815-523 4 Kankakee IL OKBRILOADC2  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 RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2022-11-18   
815-523 7 Kankakee IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2008-12-12   
815-523 8 Kankakee IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2003-04-06   
815-523 9 Kankakee IL OKBRILOADC2  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 CHCGIL24DS6  224C ONVOY, LLC 358   2021-11-18   
815-524 1 Lockport IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-09-10   
815-524 2 Lockport IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2010-10-30   
815-524 3 Lockport IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2006-09-10   
815-524 4 Lockport IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2006-09-10   
815-524 5 Lockport IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2005-07-01   
815-524 6 Lockport IL CHCGILWUDS4  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 358   2010-10-30   
815-524 7 Lockport IL CHCGILCLXOX  516C AT&T CORP. 358   2007-02-22   
815-524 8 Lockport IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-09-01   
815-524 9 Lockport IL OKBRILOADC2  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 CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2010-11-27   
815-526 1 Crystal Lake IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2011-01-01   
815-526 2 Crystal Lake IL   6529 T-MOBILE USA, INC. 358   2005-07-17   
815-526 3 Crystal Lake IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2010-05-14   
815-526 4 Crystal Lake IL CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-526 5 Crystal Lake IL CHCGILDTKMD  5447 ACCESS ONE, INC. - IL 358   2006-01-27   
815-526 7 Crystal Lake IL EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2005-08-11   
815-526 8 Crystal Lake IL EGVGILIFDS0  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 CHCGIL24DS6  224C ONVOY, LLC 358   2013-11-13   
815-527 1 Woodstock IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2007-07-30   
815-527 2 Woodstock IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2010-04-30   
815-527 3 Woodstock IL CHCGIL24DS6  224C ONVOY, LLC 358   2013-11-13   
815-527 4 Woodstock IL CHCGIL24DS6  224C ONVOY, LLC 358   2013-11-13   
815-527 5 Woodstock IL CHCGILCLXOX  516C AT&T CORP. 358   2006-05-02   
815-527 6 Woodstock IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358   2011-06-17   
815-527 7 Woodstock IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2007-09-07   
815-527 8 Woodstock IL CHCGIL24DS6  224C ONVOY, LLC 358   2013-11-13   
815-527 9 Woodstock IL CHCGILCLDS7  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 WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-01-06   
815-528 1 McHenry IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2008-08-29   
815-528 2 McHenry IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
815-528 3 McHenry IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
815-528 4 McHenry IL WCHCILBFGT0  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   
815-528 8 McHenry IL WCHCILBFGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2009-02-17   
815-528 9 McHenry IL CHCGILCLDS7  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-529 A Woodstock IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
815-530 A Joliet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
815-530 0 Joliet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
815-530 1 Joliet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
815-530 2 Joliet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
815-530 3 Joliet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
815-530 4 Joliet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
815-530 5 Joliet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
815-530 6 Joliet IL ELGNILOTGT5  5562 METROPCS, INC. 358   2003-02-10   
815-530 7 Joliet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
815-530 8 Joliet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358   2003-06-01   
815-530 9 Joliet IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2006-09-01   
815-531 A Joliet IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-531 0 Joliet IL EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2005-08-26   
815-531 1 Joliet IL EGVGILIFDS0  7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL 358   2005-08-26   
815-531 2 Joliet IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2005-02-28   
815-531 3 Joliet IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2005-02-26   
815-531 4 Joliet IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2005-07-28   
815-531 5 Joliet IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2005-07-17   
815-531 6 Joliet IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2005-03-19   
815-531 7 Joliet IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2005-04-29   
815-531 8 Joliet IL OKBRILOADC2  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
815-531 9 Joliet IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2005-07-28   
815-532 A Morris IL LBRDILGOAMD  6630 SPOK, INC. 358      
815-533 A La Grange IL HMNDINPRCM0  6795 INDIANA PAGING NETWORK, INC. 358      
815-534 A Frankfort IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
815-534 0 Frankfort IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2010-09-08   
815-534 1 Frankfort IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-07-01   
815-534 2 Frankfort IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2005-07-01   
815-534 3 Frankfort IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2008-05-12   
815-534 4 Frankfort IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2004-01-13   
815-534 5 Frankfort IL CHCGILNEXJX  318J COMCAST IP PHONE, LLC 358   2005-07-01   
815-534 6 Frankfort IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2003-05-26   
815-534 7 Frankfort IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358   2009-03-22   
815-534 8 Frankfort IL CHCGILDTKMD  5447 ACCESS ONE, INC. - IL 358   2006-08-06   
815-534 9 Frankfort IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358   2012-02-27   
815-535 A Sterling IL STNGILSIDS0  9329 ILLINOIS BELL TEL CO 364      
815-535 0 Sterling IL STNGILSIDS0  9329 ILLINOIS BELL TEL CO 364      
815-535 1 Sterling IL DKLBILRS3MD  6265 UNITED STATES CELLULAR - IL 364      
815-535 2 Sterling IL STNGILSIDS0  9329 ILLINOIS BELL TEL CO 364      
815-535 3 Sterling IL DKLBILXAXBX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 364      
815-535 4 Sterling IL STNGILSIDS0  9329 ILLINOIS BELL TEL CO 364      
815-535 5 Sterling IL STNGILSIDS0  9329 ILLINOIS BELL TEL CO 364      
815-535 6 Sterling IL DKLBILXAXBX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 364      
815-535 7 Sterling IL DKLBILXAXBX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 364      
815-535 8 Sterling IL DKLBILXAXBX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 364      
815-535 9 Sterling IL STNGILSIDS0  9329 ILLINOIS BELL TEL CO 364      
815-536 A La Grange IL LBRDILGOAMD  6630 SPOK, INC. 358      
815-537 A Prophetstown IL PPTWILXADS0  1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 364      

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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