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: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-317 A Plainfield CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
860-317 0 Plainfield CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-317 1 Plainfield CT HRFRCT03JMD  466E IDT AMERICA, CORP. - CT 920      
860-317 2 Plainfield CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-317 3 Plainfield CT NWLNCTCS6MD  508J CENTURYLINK COMMUNICATIONS, LLC 920      
860-317 4 Plainfield CT HRFRCT03XMX  145J TERRA NOVA TELECOM INC. 920      
860-317 5 Plainfield CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-317 6 Plainfield CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920      
860-317 7 Plainfield CT SMFRCTPU4MD  4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920      
860-317 8 Plainfield CT HRFRCTASDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 920      
860-317 9 Plainfield CT HRFRCTBCDS1  639C ONVOY, LLC - CT 920      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.