Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 477

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-477 A Storrs CT NWTWCTAC1MD  792K CHARTER IP ENABLED SERVICES, LLC 920   2025-01-22   
860-477 0 Storrs CT NWTWCTAC1MD  792K CHARTER IP ENABLED SERVICES, LLC 920   2005-02-05   
860-477 1 Storrs CT NWTWCTAC1MD  792K CHARTER IP ENABLED SERVICES, LLC 920   2010-08-04   
860-477 2 Storrs CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920   2015-05-15   
860-477 3 Storrs CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2016-07-14   
860-477 4 Storrs CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2014-12-26   
860-477 5 Storrs CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2017-11-09   
860-477 6 Storrs CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2017-04-08   
860-477 7 Storrs CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2008-11-25   
860-477 8 Storrs CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2016-10-10   
860-477 9 Storrs CT HRFRCT03HMD  073H TELNYX LLC 920   2018-05-02   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.