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.

Windsor Locks, CT

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
860-254 A HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
860-254 0 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-254 1 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-254 4 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-254 5 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
860-254 6 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-254 7 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-292 A WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-292 0 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-292 1 WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-292 2 WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-292 3 WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-292 4 WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-292 5 WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-292 6 WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-292 7 WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-292 8 WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-292 9 WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-370 A HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
860-370 0 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-370 1   5562 METROPCS, INC. 920      
860-370 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-370 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-370 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-370 5 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
860-370 6 HRFRCT0383Z  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
860-370 7 NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920      
860-370 8 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-370 9 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
860-386 A WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-386 0 WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-386 1 HRFRCT0342Z  3863 CTC COMMUNICATIONS CORP. - CT 920      
860-386 2 WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-386 3 WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-386 4 WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-386 5 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-386 6 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
860-386 7 WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-386 8 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-386 9 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-623 A WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-627 A WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-654 A WLKSCT00DS0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-668 A SFFDCT00RS2  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-752 A SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
860-752 0 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-752 1   639C ONVOY, LLC - CT 920      
860-752 2 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-752 3 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-752 4 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-752 5 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-752 6 SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
860-752 7 SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
860-752 8 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-752 9 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-758 A HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-758 0 HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-758 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-758 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-758 4 HRFRCT03GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-758 5 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
860-758 6 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-758 7 HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920      
860-758 8 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-789 A SMFRCTQI9MD  3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT 920      
860-789 0 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
860-789 1 HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920      
860-789 2 SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-789 3 SMFRCTQI9MD  3493 GLOBAL CROSSING LOCAL SERVICES, INC. - CT 920      
860-789 4 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-789 5 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-789 6   639C ONVOY, LLC - CT 920      
860-789 7 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-789 8 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-804 A HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
860-804 0 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-804 1 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-804 2 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-804 3 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-804 4 HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
860-804 5 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-804 6 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-804 7 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-804 8 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-804 9 BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-831 A HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
860-831 0 HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
860-831 1 HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
860-831 2 HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
860-831 3 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-831 4 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-831 6 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
860-831 7 NWHNCT02XJX  624H ONVOY SPECTRUM, LLC 920      
860-831 8 HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
860-831 9 HRFRCT0370Z  2706 CHOICE ONE COMMUNICATIONS, INC. - CT 920      
860-901 A HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
860-901 0 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-901 1 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-901 2 HRFRCTBCDS1  639C ONVOY, LLC - CT 920      
860-901 3   515J IP HORIZON LLC 920      

1 2 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.