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: 578

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
973-578 A Newark NJ NWRKNJIRDS5  9206 VERIZON NEW JERSEY, INC. 224      
973-578 0 Newark NJ NWRKNJIRDS5  9206 VERIZON NEW JERSEY, INC. 224      
973-578 1 Newark NJ NWRKNJIRDS5  9206 VERIZON NEW JERSEY, INC. 224      
973-578 2 Newark NJ NWRKNJIRDS5  9206 VERIZON NEW JERSEY, INC. 224      
973-578 3 Newark NJ NWRKNJIRDS5  9206 VERIZON NEW JERSEY, INC. 224      
973-578 4 Newark NJ NWRKNJIRDS5  9206 VERIZON NEW JERSEY, INC. 224      
973-578 5 Newark NJ NWRKNJIRDS5  9206 VERIZON NEW JERSEY, INC. 224      
973-578 6 Newark NJ NWRKNJ0271Z  551G NUSO, LLC 224      
973-578 7 Newark NJ NWRKNJIRDS5  9206 VERIZON NEW JERSEY, INC. 224      
973-578 8 Newark NJ NWRKNJIRDS5  9206 VERIZON NEW JERSEY, INC. 224      
973-578 9 Newark NJ NWRKNJIRDS5  9206 VERIZON NEW JERSEY, INC. 224      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.