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: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
973-521 A Caldwell NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224      
973-521 0 Caldwell NJ NBWKNJ17QMD  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2012-06-21   
973-521 1 Caldwell NJ NBWKNJ17QMD  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2012-07-21   
973-521 2 Caldwell NJ NBWKNJ17QMD  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 224   2012-07-21   
973-521 3 Caldwell NJ HCKNNJHKQMD  1913 BROADVIEW NETWORKS, INC. - NJ 224   2014-12-18   
973-521 4 Caldwell NJ HCKNNJHKQMD  1913 BROADVIEW NETWORKS, INC. - NJ 224   2015-01-15   
973-521 5 Caldwell NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2011-08-14   
973-521 6 Caldwell NJ NBWKNJNBX3Z  318J COMCAST IP PHONE, LLC 224   2018-06-22   
973-521 7 Caldwell NJ NBWKNJNBX3Z  318J COMCAST IP PHONE, LLC 224   2011-12-04   
973-521 8 Caldwell NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2013-10-10   
973-521 9 Caldwell NJ PRNYNJFPDS1  4948 CABLEVISION LIGHTPATH, INC. - NJ 224   2011-10-30   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.