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: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
973-542 A Nutley NJ NTLYNJNUDS5  9206 VERIZON NEW JERSEY, INC. 224      
973-542 0 Nutley NJ   9206 VERIZON NEW JERSEY, INC. 224      
973-542 1 Nutley NJ   9206 VERIZON NEW JERSEY, INC. 224      
973-542 2 Nutley NJ   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2005-03-16   
973-542 3 Nutley NJ   321J HD CARRIER LLC 224   2016-05-19   
973-542 4 Nutley NJ   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2005-03-16   
973-542 5 Nutley NJ   482F CORETEL NEW JERSEY, INC. - NJ 224   2019-04-03   
973-542 6 Nutley NJ   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2012-03-04   
973-542 7 Nutley NJ   829J PAETEC ITEL, LLC 224   2007-06-15   
973-542 8 Nutley NJ   612K CSC VOICE, LLC 224   2004-02-17   
973-542 9 Nutley NJ   637C ONVOY, LLC - NJ 224   2020-05-01   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.