Local Calling Guide

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NPA: 860 [Rate centres in NPA 860] [Dial plan for NPA 860]

NXX: 254

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-254 A Windsor Locks CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
860-254 0 Windsor Locks CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-07-31   
860-254 1 Windsor Locks CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2023-10-01   
860-254 2 Windsor Locks CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2025-05-30   
860-254 3 Windsor Locks CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2026-02-12   
860-254 4 Windsor Locks CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2003-08-12   
860-254 5 Windsor Locks CT HRFRCTCR3MD  318J COMCAST IP PHONE, LLC 920   2003-09-26   
860-254 6 Windsor Locks CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-07   
860-254 7 Windsor Locks CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-02-04   
860-254 8 Windsor Locks CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920   2025-11-24   
860-254 9 Windsor Locks CT   639C ONVOY, LLC - CT 920   2026-06-13   

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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