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: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]

NXX: 868

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-868 A New Haven CT NWHNCT02X5X  7421 AT&T - LOCAL 920      
203-868 0 New Haven CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-07-03   
203-868 1 New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2003-10-11   
203-868 2 New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2003-10-11   
203-868 3 New Haven CT NWHNCT02X5X  7421 AT&T - LOCAL 920      
203-868 4 New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2003-10-11   
203-868 5 New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2004-06-18   
203-868 6 New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2004-07-04   
203-868 7 New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2005-03-11   
203-868 8 New Haven CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2005-03-11   
203-868 9 New Haven CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2007-09-02   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.