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.

OCN: 4123 XO NEW JERSEY, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
609-482 A Lawrenceville NJ CMDNNJCE00Z  222      
609-482 0 Lawrenceville NJ   222      
609-482 1 Lawrenceville NJ   222      
609-482 4 Lawrenceville NJ   222   2004-11-07   
609-855 A Atlantic City NJ PSVLNJPLXQY  220      
609-855 0 Atlantic City NJ   220   2015-09-05   
908-441 A Hackettstown NJ NWRKNJMDDSE  224      
908-441 0 Hackettstown NJ   224      
908-441 5 Hackettstown NJ   224   2005-10-26   
908-441 9 Hackettstown NJ   224      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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