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: 856

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-856 A Hartford CT SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 920      
860-856 0 Hartford CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-06-20   
860-856 1 Hartford CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-06-20   
860-856 2 Hartford CT HRFRCT0342Z  3863 CTC COMMUNICATIONS CORP. - CT 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 SMFRCTATXMD  3083 PAETEC COMMUNICATIONS, LLC - CT 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: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.