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: 419

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-419 A Cornwall CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-419 0 Cornwall CT   639C ONVOY, LLC - CT 920   2019-03-29   
860-419 1 Cornwall CT   639C ONVOY, LLC - CT 920   2019-06-17   
860-419 2 Cornwall CT   639C ONVOY, LLC - CT 920   2020-05-24   
860-419 3 Cornwall CT   539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
860-419 4 Cornwall CT   639C ONVOY, LLC - CT 920   2020-05-24   
860-419 5 Cornwall CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2013-06-24   
860-419 6 Cornwall CT   639C ONVOY, LLC - CT 920   2020-02-28   
860-419 7 Cornwall CT   639C ONVOY, LLC - CT 920   2020-02-28   
860-419 8 Cornwall CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2006-04-07   
860-419 9 Cornwall CT   639C ONVOY, LLC - CT 920   2019-06-17   

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

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