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.

Switch: FRFDNJFADS5

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
973-227 A Caldwell NJ 9206 VERIZON NEW JERSEY, INC. 224      
973-244 A Caldwell NJ 9206 VERIZON NEW JERSEY, INC. 224      
973-276 A Caldwell NJ 9206 VERIZON NEW JERSEY, INC. 224      
973-439 A Caldwell NJ 9206 VERIZON NEW JERSEY, INC. 224      
973-487 A Caldwell NJ 9206 VERIZON NEW JERSEY, INC. 224      
973-487 2 Caldwell NJ 9206 VERIZON NEW JERSEY, INC. 224      
973-487 4 Caldwell NJ 9206 VERIZON NEW JERSEY, INC. 224      
973-487 5 Caldwell NJ 9206 VERIZON NEW JERSEY, INC. 224      
973-575 A Caldwell NJ 9206 VERIZON NEW JERSEY, INC. 224      
973-808 A Caldwell NJ 9206 VERIZON NEW JERSEY, INC. 224      
973-882 A Caldwell NJ 9206 VERIZON NEW JERSEY, INC. 224      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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