Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 860 [Rate centres in NPA 860] [Dial plan for NPA 860]

NXX: 393

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-393 A Litchfield CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
860-393 0 Litchfield CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2012-07-05   
860-393 1 Litchfield CT   639C ONVOY, LLC - CT 920   2015-05-15   
860-393 2 Litchfield CT   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
860-393 3 Litchfield CT   829J PAETEC ITEL, LLC 920   2006-08-17   
860-393 4 Litchfield CT   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920   2015-01-05   
860-393 5 Litchfield CT   9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2011-04-26   
860-393 6 Litchfield CT   829J PAETEC ITEL, LLC 920   2011-08-01   
860-393 7 Litchfield CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2014-07-09   
860-393 8 Litchfield CT   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
860-393 9 Litchfield CT   7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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