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: 732 [Rate centres in NPA 732] [Dial plan for NPA 732]

NXX: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
732-231 A Carteret NJ   4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2025-04-11   
732-231 1 Carteret NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2012-08-27   
732-231 2 Carteret NJ JRCYNJ65DS4  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 224   2006-05-25   
732-231 3 Carteret NJ HCKNNJHKX4X  624H ONVOY SPECTRUM, LLC 224   2024-10-15   
732-231 4 Carteret NJ HCKNNJHKX4X  624H ONVOY SPECTRUM, LLC 224   2024-10-15   
732-231 5 Carteret NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224   2021-02-14   
732-231 6 Carteret NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2003-04-07   
732-231 7 Carteret NJ WHWKNJAN5MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 224   2005-11-04   
732-231 8 Carteret NJ   515J IP HORIZON LLC 224   2015-03-25   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.