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: 484

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
860-484 A Thomaston CT BLFDCTAP2MD  5562 METROPCS, INC. 920      
860-484 0 Thomaston CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2008-05-19   
860-484 1 Thomaston CT   5562 METROPCS, INC. 920   2005-09-12   
860-484 2 Thomaston CT   6624 OMNIPOINT COMMUNICATIONS, INC. - CT 920      
860-484 3 Thomaston CT   199F BANDWIDTH.COM CLEC, LLC - CT 920   2008-11-29   
860-484 4 Thomaston CT   612K CSC VOICE, LLC 920   2003-07-01   
860-484 5 Thomaston CT   318J COMCAST IP PHONE, LLC 920   2006-11-30   
860-484 6 Thomaston CT   829J PAETEC ITEL, LLC 920   2005-03-10   
860-484 7 Thomaston CT   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 920   2005-09-08   
860-484 8 Thomaston CT   829J PAETEC ITEL, LLC 920   2006-12-28   
860-484 9 Thomaston CT   5562 METROPCS, INC. 920   2002-12-11   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.