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: 297

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
201-297 A Closter NJ NWRKNJMDDS0  4123 XO NEW JERSEY, INC. 224      
201-297 0 Closter NJ NWRKNJMDDS0  4123 XO NEW JERSEY, INC. 224      
201-297 1 Closter NJ NWRKNJMDDS0  4123 XO NEW JERSEY, INC. 224   2004-12-10   
201-297 2 Closter NJ NWRKNJMDDS0  4123 XO NEW JERSEY, INC. 224      
201-297 3 Closter NJ NWRKNJMDDS0  4123 XO NEW JERSEY, INC. 224   2004-12-10   
201-297 4 Closter NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2004-01-13   
201-297 5 Closter NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2005-07-08   
201-297 6 Closter NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2005-07-08   
201-297 7 Closter NJ PRNYNJFPDS1  4948 CABLEVISION LIGHTPATH, INC. - NJ 224   2008-06-05   
201-297 8 Closter NJ NBWKNJ481MD  1959 ATX TELECOMMUNICATIONS SERVICES, LTD. - NJ 224      
201-297 9 Closter NJ NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224   2012-08-18   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.