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.

Switch: WNDSCT00DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
860-285 A Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-298 A Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-580 A Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-580 0 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2007-01-13   
860-580 1 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2007-01-13   
860-580 2 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2007-01-13   
860-580 3 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2007-01-13   
860-580 4 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2007-01-13   
860-607 A Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-607 5 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-607 6 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-624 A Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-624 0 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2008-03-07   
860-624 1 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2008-03-07   
860-624 2 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2008-03-07   
860-624 3 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2008-03-07   
860-624 4 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2008-03-07   
860-624 5 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2008-03-07   
860-624 6 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2008-03-07   
860-624 7 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2008-03-07   
860-624 8 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2008-03-07   
860-624 9 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2008-03-07   
860-683 A Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-687 A Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-688 A Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-731 A Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-731 0 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-731 1 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-731 2 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-731 3 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-731 4 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-731 5 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-731 6 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-731 9 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-905 A Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920      
860-905 1 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2007-07-05   
860-905 2 Windsor CT 9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2007-07-05   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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