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: 973 [Rate centres in NPA 973] [Dial plan for NPA 973]

NXX: 446

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
973-446 A Netcong NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224      
973-446 0 Netcong NJ   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224      
973-446 1 Netcong NJ   624H ONVOY SPECTRUM, LLC 224   2021-08-09   
973-446 2 Netcong NJ   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224      
973-446 3 Netcong NJ   624H ONVOY SPECTRUM, LLC 224   2021-08-09   
973-446 4 Netcong NJ   7421 AT&T - LOCAL 224   2003-02-17   
973-446 5 Netcong NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 224   2010-08-27   
973-446 6 Netcong NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 224   2010-08-27   
973-446 7 Netcong NJ   4948 CABLEVISION LIGHTPATH, INC. - NJ 224   2012-10-28   
973-446 8 Netcong NJ   637C ONVOY, LLC - NJ 224   2021-07-16   
973-446 9 Netcong NJ   624H ONVOY SPECTRUM, LLC 224   2021-08-09   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.