Local Calling Guide

Area code/prefix search

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

NXX: 359

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-359 A Columbia CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
860-359 0 Columbia CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
860-359 1 Columbia CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2015-05-23   
860-359 2 Columbia CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2016-07-14   
860-359 3 Columbia CT   829J PAETEC ITEL, LLC 920   2008-02-14   
860-359 4 Columbia CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-07-17   
860-359 5 Columbia CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2020-01-15   
860-359 6 Columbia CT HRFRCTBC6MD  515J IP HORIZON LLC 920   2024-07-05   
860-359 7 Columbia CT NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920   2014-07-09   
860-359 8 Columbia CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-05-17   
860-359 9 Columbia CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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