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.

NPA: 860 [Rate centres in NPA 860] [Dial plan for NPA 860]

<< 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 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-785 A Hartford CT HRFRCT0390Z  551G NUSO, LLC 920      
860-785 0 Hartford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-04-27   
860-785 1 Hartford CT HRFRCT0390Z  551G NUSO, LLC 920   2013-06-06   
860-785 2 Hartford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-03-22   
860-785 3 Hartford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-04-27   
860-785 4 Hartford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-04-27   
860-785 5 Hartford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-04-27   
860-785 6 Hartford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-04-27   
860-785 7 Hartford CT NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920   2013-09-30   
860-785 8 Hartford CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2013-11-19   
860-785 9 Hartford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-04-27   
860-786 A Willimantic CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-786 0 Willimantic CT   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2025-09-12   
860-786 1 Willimantic CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-04   
860-786 2 Willimantic CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2012-06-04   
860-786 3 Willimantic CT NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-03-13   
860-786 4 Willimantic CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-07   
860-786 5 Willimantic CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2023-09-13   
860-786 6 Willimantic CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920   2007-04-15   
860-786 7 Willimantic CT WLMNCT132MD  792K CHARTER IP ENABLED SERVICES, LLC 920   2008-03-07   
860-786 8 Willimantic CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2005-02-04   
860-786 9 Willimantic CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2023-09-13   
860-787 A Windsor CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-787 0 Windsor CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-06-17   
860-787 1 Windsor CT   829J PAETEC ITEL, LLC 920   2005-05-08   
860-787 2 Windsor CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-787 4 Windsor CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920   2014-06-20   
860-787 5 Windsor CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2004-12-12   
860-787 6 Windsor CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920   2014-03-10   
860-787 7 Windsor CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920   2014-03-10   
860-787 8 Windsor CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2019-06-17   
860-787 9 Windsor CT   145J TERRA NOVA TELECOM INC. 920   2025-10-06   
860-788 A Middletown CT   199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-788 0 Middletown CT   145J TERRA NOVA TELECOM INC. 920   2022-11-03   
860-788 1 Middletown CT BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2023-01-18   
860-788 2 Middletown CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2006-08-25   
860-788 3 Middletown CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2006-08-25   
860-788 4 Middletown CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-05-08   
860-788 5 Middletown CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-06-26   
860-788 6 Middletown CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2008-01-18   
860-788 7 Middletown CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2011-12-31   
860-788 9 Middletown CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2022-09-25   
860-789 A Windsor Locks CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-789 0 Windsor Locks CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-04   
860-789 1 Windsor Locks CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-04   
860-789 2 Windsor Locks CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-789 4 Windsor Locks CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2020-09-03   
860-789 5 Windsor Locks CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2020-09-03   
860-789 6 Windsor Locks CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2024-06-07   
860-789 7 Windsor Locks CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2018-11-17   

<< 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 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 >>

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.