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.

Hartford, CT

<< 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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
860-952 7 HRFRCT03DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-952 8 HRFRCT03DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-952 9 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-07-03   
860-953 A HRFRCT03DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-954 A HRFRCT03DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-955 A HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
860-955 0 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2010-05-03   
860-955 1 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2010-05-03   
860-955 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2010-05-03   
860-955 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2010-05-03   
860-955 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2010-05-03   
860-955 5 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2010-05-03   
860-955 6 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2010-05-03   
860-955 7 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2010-05-03   
860-955 8 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-05-03   
860-955 9 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2010-05-03   
860-956 A HRFRCT03DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-956 0 HRFRCT03DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-956 1 HRFRCT03DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-956 2 HRFRCT03DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-956 3 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2013-11-16   
860-956 4 HRFRCT03DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-956 5 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-09-27   
860-956 6 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-10-18   
860-956 7 HRFRCT03DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-956 8 HRFRCT03DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-956 9 HRFRCT03DS1  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-965 A MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
860-966 A HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
860-967 A SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-967 0 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-29   
860-967 1 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-02-07   
860-967 2 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2005-02-07   
860-967 3 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-967 4 MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-02-04   
860-967 5 MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-02-04   
860-967 6 MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-02-04   
860-967 7 MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-02-04   
860-967 8 MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-02-04   
860-967 9 MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-02-04   
860-969 A HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-969 0 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-06-26   
860-969 1 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-06-26   
860-969 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-03-20   
860-969 3 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-06-26   
860-969 4 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-06-26   
860-969 5 SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920   2015-06-23   
860-969 6 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2015-08-10   
860-969 7 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-10-05   
860-969 8 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2015-08-17   

<< 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 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.