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.

Cornwall, CT

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
860-248 A SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-248 0 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2003-11-16   
860-248 1 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2003-11-16   
860-248 2 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-10-28   
860-248 3 NRWLCT028MD  4950 CABLEVISION LIGHTPATH, INC. - CT 920   2003-07-01   
860-248 4 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-248 5 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-10-22   
860-248 6 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-03-01   
860-248 7 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
860-248 8 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-22   
860-248 9 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2004-11-04   
860-318 A HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
860-318 0 SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920   2001-04-02   
860-318 1 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-02-04   
860-318 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-05-30   
860-318 3 SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920   2007-08-06   
860-318 4 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-03-13   
860-318 5 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2006-12-10   
860-318 6 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2008-04-30   
860-318 7 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2020-09-15   
860-318 8 HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
860-318 9 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-03-29   
860-419 A SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-419 0 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-03-29   
860-419 1 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-06-17   
860-419 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-05-24   
860-419 3 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
860-419 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-05-24   
860-419 5 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2013-06-24   
860-419 6 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-02-28   
860-419 7 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-02-28   
860-419 8 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-04-07   
860-419 9 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-06-17   
860-499 A HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
860-499 0 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2008-11-29   
860-499 1 HRFRCT03HMD  073H TELNYX LLC 920   2018-05-02   
860-499 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-06   
860-499 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-06   
860-499 5 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-01-09   
860-499 7 NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-09   
860-499 8 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2021-10-23   
860-499 9 HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
860-671 A MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
860-671 0 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
860-671 1 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
860-671 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2016-03-28   
860-671 3 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2021-03-07   
860-671 4 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-09-17   
860-671 5 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2016-03-28   
860-671 6 HRFRCT03GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2011-04-25   
860-671 7 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2014-10-12   
860-671 8 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-08-04   
860-671 9 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2006-09-06   
860-672 A CRNWCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-672 0 CRNWCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-672 1 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-11-22   
860-672 2 CRNWCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-672 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-11-22   
860-672 4 CRNWCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-672 5 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2009-04-16   
860-672 6 CRNWCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-672 7 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2020-01-15   
860-672 8 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2016-06-05   
860-672 9 CRNWCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
959-228 A HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
959-228 0 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-02-10   
959-228 1 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2022-09-07   
959-228 5 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2023-07-21   
959-228 6 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-12-07   
959-228 7 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-12-07   
959-228 8 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-12-06   
959-228 9 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2024-01-08   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.