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: 201 [Rate centres in NPA 201] [Dial plan for NPA 201]

NXX: 379

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
201-379 A Teaneck NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224      
201-379 0 Teaneck NJ   637C ONVOY, LLC - NJ 224   2016-05-03   
201-379 1 Teaneck NJ   637C ONVOY, LLC - NJ 224   2016-05-03   
201-379 2 Teaneck NJ   264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2020-04-15   
201-379 3 Teaneck NJ   624H ONVOY SPECTRUM, LLC 224   2024-11-02   
201-379 4 Teaneck NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 224   2015-05-14   
201-379 5 Teaneck NJ   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224      
201-379 6 Teaneck NJ   264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2020-06-27   
201-379 7 Teaneck NJ   637C ONVOY, LLC - NJ 224   2021-07-16   
201-379 8 Teaneck NJ   624H ONVOY SPECTRUM, LLC 224   2021-05-08   
201-379 9 Teaneck NJ   073H TELNYX LLC 224   2021-08-02   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.