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.

Putnam, CT

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
860-315 A HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
860-315 0 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2003-12-05   
860-315 1 WLMNCT132MD  792K CHARTER IP ENABLED SERVICES, LLC 920   2014-11-23   
860-315 2 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2003-12-05   
860-315 3 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-02-12   
860-315 4 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-02-12   
860-315 5 WLMNCT132MD  792K CHARTER IP ENABLED SERVICES, LLC 920   2007-09-28   
860-315 6   145J TERRA NOVA TELECOM INC. 920   2023-11-16   
860-315 7 WLMNCT132MD  792K CHARTER IP ENABLED SERVICES, LLC 920   2005-02-05   
860-315 8 HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
860-315 9 HRFRCT03JMD  466E IDT AMERICA, CORP. - CT 920   2009-11-20   
860-382 A MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
860-382 0 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-03-13   
860-382 2 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2010-09-27   
860-382 3 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-02-12   
860-382 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-03-04   
860-382 5 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-12-20   
860-382 6 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-02-10   
860-382 7 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2020-03-21   
860-382 8 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2007-12-20   
860-382 9 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2020-03-21   
860-481 A SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-481 0 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2003-06-05   
860-481 1 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-12-10   
860-481 2 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2008-09-19   
860-481 3 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-09-09   
860-481 4 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-481 5 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2006-09-20   
860-481 6 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-05-02   
860-481 7 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-05-02   
860-481 8 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-05-02   
860-481 9 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2004-11-04   
860-630 A HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
860-630 0 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-02-04   
860-630 1 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-12-06   
860-630 2 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-12-06   
860-630 4 HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
860-630 5 HRFRCT03GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2011-04-26   
860-630 6 CHSHCT02DS1  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920   2015-03-27   
860-630 7 PTNMCT00AMD  732J NUSO, LLC 920   2024-09-09   
860-630 8 HRFRCT03HMD  073H TELNYX LLC 920   2017-06-05   
860-753 A MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
860-753 0 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
860-753 1 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
860-753 2 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
860-753 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-03-30   
860-753 4   829J PAETEC ITEL, LLC 920   2014-05-05   
860-753 5 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-03-30   
860-753 6 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-11-25   
860-753 7 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-11-25   
860-753 8 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
860-753 9   145J TERRA NOVA TELECOM INC. 920   2025-02-14   
860-792 A HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
860-792 0 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-22   
860-792 1 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-12-23   
860-792 2 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2017-10-28   
860-792 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2022-08-22   
860-792 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-16   
860-792 5 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-07-16   
860-792 6 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2011-05-27   
860-792 7 NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-09-29   
860-792 8 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-05-06   
860-792 9 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
860-821 A   829J PAETEC ITEL, LLC 920      
860-821 0 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2008-11-29   
860-821 1 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2022-10-27   
860-821 2   829J PAETEC ITEL, LLC 920   2005-09-23   
860-821 3 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-03-01   
860-821 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-05-15   
860-821 5   829J PAETEC ITEL, LLC 920      
860-821 6 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2016-03-23   
860-821 7 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2016-03-23   
860-821 8 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2002-07-16   
860-821 9 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2009-08-28   
860-923 A THSNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-923 0 THSNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-923 1 THSNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-923 2 THSNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-923 3 THSNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-923 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-11-22   
860-923 5   145J TERRA NOVA TELECOM INC. 920   2022-04-10   
860-923 8 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
860-923 9 THSNCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-928 A PTNMCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-963 A PTNMCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-963 0 PTNMCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-963 1 PTNMCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-963 2 PTNMCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-963 3 PTNMCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-963 4 PTNMCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-963 5 PTNMCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-963 6 PTNMCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-963 7 PTNMCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-963 8   145J TERRA NOVA TELECOM INC. 920   2021-09-29   
860-963 9 PTNMCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-974 A WDSTCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-974 0 WDSTCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-974 1 WDSTCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-974 2 WDSTCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-974 3 WDSTCT00RS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      

1 2 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.