Local Calling Guide

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

NXX: 577

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-577 A Old Saybrook CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
860-577 0 Old Saybrook CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2008-11-29   
860-577 2 Old Saybrook CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-03-01   
860-577 3 Old Saybrook CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2021-05-03   
860-577 4 Old Saybrook CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2021-01-04   
860-577 5 Old Saybrook CT NWHNCT02GT0  9147 SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT 920   2011-04-26   
860-577 6 Old Saybrook CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920   2014-01-02   
860-577 7 Old Saybrook CT HRFRCTCRDS0  7143 TELEPORT COMMUNICATIONS AMERICA, LLC - CT 920      
860-577 8 Old Saybrook CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2002-07-16   
860-577 9 Old Saybrook CT HRFRCT0380Z  539F PEERLESS NETWORK OF CONNECTICUT, LLC - CT 920   2013-05-03   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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