Local Calling Guide

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

NXX: 337

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-337 A Columbia CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
860-337 0 Columbia CT WLMNCT131MD  777C CHARTER FIBERLINK CT-CCO, LLC - CT 920   2005-01-17   
860-337 1 Columbia CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2008-11-29   
860-337 2 Columbia CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-09-09   
860-337 3 Columbia CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2020-08-13   
860-337 4 Columbia CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-02-08   
860-337 5 Columbia CT HRFRCT03GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2011-04-25   
860-337 6 Columbia CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2014-11-21   
860-337 7 Columbia CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2007-01-12   
860-337 8 Columbia CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   
860-337 9 Columbia CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2021-01-10   

Last updated: Fri, 23 Jul 2021 12:43:22 UTC

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