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.

Old Saybrook, CT

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
860-853 A   5562 METROPCS, INC. 920      
860-853 0 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2008-11-02   
860-853 1   829J PAETEC ITEL, LLC 920   2015-06-30   
860-853 3 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-03-23   
860-853 4 BLFDCTAP2MD  5562 METROPCS, INC. 920   2008-11-25   
860-853 5 BLFDCTAP2MD  5562 METROPCS, INC. 920   2017-01-08   
860-853 6 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2018-06-07   
860-853 7 BLFDCTAP2MD  5562 METROPCS, INC. 920   2018-08-02   
860-853 8 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2006-12-20   
860-876 A MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
860-876 0 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920      
860-876 1 HRFRCTBC6MD  515J IP HORIZON LLC 920   2024-08-22   
860-876 2 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2014-10-12   
860-876 3 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2015-05-01   
860-876 4 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2016-04-01   
860-876 5 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2017-12-16   
860-876 6 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2014-05-26   
860-876 7 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2010-09-24   
860-876 8 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2018-09-06   
860-876 9 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2019-07-18   
860-943 A HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
860-943 0 HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
860-943 1 HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
860-943 2 HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
860-943 3 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2019-08-23   
860-943 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-02-28   
860-943 5 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2020-02-28   
860-943 6 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-03-04   
860-943 7 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-03-04   
860-943 8 HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
860-943 9 HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
860-964 A BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
860-964 0 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
860-964 1 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2019-10-21   
860-964 2 MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2019-10-21   
860-964 3 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2020-04-05   
860-964 4 BLFDCTAP2MD  5562 METROPCS, INC. 920   2020-09-10   
860-964 5 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-01-01   
860-964 6 BLFDCTAP2MD  5562 METROPCS, INC. 920   2021-05-03   
860-964 7 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2019-10-07   
860-964 8 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2017-03-04   
860-964 9 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
959-239 A BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
959-239 0 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-07-30   
959-239 1 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2021-09-20   
959-239 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-11-25   
959-239 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2021-11-25   
959-239 4 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-12-19   
959-239 5 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-12-06   
959-239 6 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920   2021-12-06   
959-239 7 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2023-11-13   
959-239 8 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2022-06-09   
959-239 9 BLFDCTAP2MD  6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2021-06-18   
959-746 A HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920      
959-746 0 HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2024-12-04   
959-746 2 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2022-08-13   
959-746 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
959-746 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
959-746 5 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
959-746 6 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
959-746 7 HRFRCT03XSX  516J TON80 COMMUNICATIONS, LLC 920   2022-03-12   
959-746 8 HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-14   
959-746 9 HRFRCT0389Z  490J DISH WIRELESS, LLC 920   2022-12-12   

<< 1 2

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.