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: 621

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
201-621 A Hackensack NJ NWRKNJMDDS0  4123 XO NEW JERSEY, INC. 224      
201-621 0 Hackensack NJ NWRKNJMDDS0  4123 XO NEW JERSEY, INC. 224      
201-621 1 Hackensack NJ RCPKNJ02GT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2004-11-05   
201-621 2 Hackensack NJ RCPKNJ02GT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2004-11-05   
201-621 3 Hackensack NJ RCPKNJ02GT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 224   2004-11-05   
201-621 4 Hackensack NJ NWRKNJMDDS0  4123 XO NEW JERSEY, INC. 224      
201-621 5 Hackensack NJ NWRKNJMDDS0  4123 XO NEW JERSEY, INC. 224      
201-621 6 Hackensack NJ NWRKNJMDDS0  4123 XO NEW JERSEY, INC. 224      
201-621 7 Hackensack NJ NWRKNJMDDS0  4123 XO NEW JERSEY, INC. 224      
201-621 8 Hackensack NJ NWRKNJMDDS0  4123 XO NEW JERSEY, INC. 224      
201-621 9 Hackensack NJ NWRKNJMDDS0  4123 XO NEW JERSEY, INC. 224      

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.