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: 856

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-856 A Hartford CT   829J PAETEC ITEL, LLC 920      
860-856 0 Hartford CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-06-20   
860-856 1 Hartford CT MDTWCTNIBMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-06-20   
860-856 2 Hartford CT   829J PAETEC ITEL, LLC 920   2011-06-03   
860-856 3 Hartford CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2012-06-10   
860-856 4 Hartford CT   829J PAETEC ITEL, LLC 920   2011-04-25   
860-856 5 Hartford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-10-26   
860-856 6 Hartford CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2012-01-22   
860-856 7 Hartford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2013-01-20   
860-856 8 Hartford CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2013-01-20   
860-856 9 Hartford CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2013-03-07   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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