Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

  • 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.

Last updated: Sat, 13 Sep 2014 18:38:00 UTC

How to use this page

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

NXX: 639

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA Eff date Disc date Map
860-639 A Norwich CT SMFRCTATXMD 3083 PAETEC COMMUNICATIONS, INC. - CT [link] 920 map
860-639 0 Norwich CT 6664 SPRINT SPECTRUM L.P. [link] 920 2005-01-17
860-639 1 Norwich CT 6664 SPRINT SPECTRUM L.P. [link] 920 2004-03-03
860-639 2 Norwich CT 7421 AT&T LOCAL [link] 920 2001-11-13
860-639 3 Norwich CT 6664 SPRINT SPECTRUM L.P. [link] 920 2004-12-29
860-639 4 Norwich CT 6664 SPRINT SPECTRUM L.P. [link] 920 2004-07-30
860-639 5 Norwich CT 3083 PAETEC COMMUNICATIONS, INC. - CT [link] 920
860-639 6 Norwich CT 6664 SPRINT SPECTRUM L.P. [link] 920 2003-09-09
860-639 7 Norwich CT 6664 SPRINT SPECTRUM L.P. [link] 920 2003-11-17
860-639 8 Norwich CT 6664 SPRINT SPECTRUM L.P. [link] 920 2002-12-04
860-639 9 Norwich CT 6664 SPRINT SPECTRUM L.P. [link] 920 2002-12-04



Sponsored by: Execulink Telecom