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: 4804 LEVEL 3 COMMUNICATIONS, LLC - NJ

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
973-792 8 Newark NJ WHWKNJAN5MD  224   2005-02-25   
973-794 A Boonton NJ WHWKNJAN5MD  224      
973-794 1 Boonton NJ WHWKNJAN5MD  224      
973-794 2 Boonton NJ WHWKNJAN5MD  224      
973-794 5 Boonton NJ WHWKNJAN5MD  224      
973-794 7 Boonton NJ WHWKNJAN5MD  224      
973-794 9 Boonton NJ WHWKNJAN5MD  224      
973-795 A Whippany NJ WHWKNJAN5MD  224      
973-795 1 Whippany NJ WHWKNJAN5MD  224      
973-795 6 Whippany NJ WHWKNJAN5MD  224      
973-795 8 Whippany NJ WHWKNJAN5MD  224   2005-01-07   
973-795 9 Whippany NJ WHWKNJAN5MD  224      
973-796 A Morristown NJ WHWKNJAN5MD  224      
973-796 2 Morristown NJ WHWKNJAN5MD  224      
973-796 5 Morristown NJ WHWKNJAN5MD  224      
973-796 9 Morristown NJ WHWKNJAN5MD  224      
973-804 5 Netcong NJ WHWKNJAN5MD  224   2008-05-15   
973-810 0 Hopatcong NJ WHWKNJAN5MD  224   2006-05-07   
973-810 1 Hopatcong NJ WHWKNJAN5MD  224   2011-10-18   
973-810 4 Hopatcong NJ WHWKNJAN5MD  224   2003-08-28   
973-810 5 Hopatcong NJ WHWKNJAN5MD  224   2005-05-14   
973-813 1 Mendham NJ WHWKNJAN5MD  224   2006-08-22   
973-813 2 Mendham NJ WHWKNJAN5MD  224   2006-01-05   
973-813 7 Mendham NJ WHWKNJAN5MD  224   2004-04-11   
973-814 3 Newfoundland NJ WHWKNJAN5MD  224   2012-06-09   
973-816 2 Passaic NJ WHWKNJAN5MD  224   2012-03-25   
973-821 3 South Orange NJ WHWKNJAN5MD  224   2005-03-17   
973-821 4 South Orange NJ WHWKNJAN5MD  224   2003-08-26   
973-821 7 South Orange NJ WHWKNJAN5MD  224   2005-03-17   
973-828 A Morristown NJ WHWKNJAN5MD  224      
973-828 0 Morristown NJ WHWKNJAN5MD  224      
973-828 1 Morristown NJ WHWKNJAN5MD  224      
973-828 2 Morristown NJ WHWKNJAN5MD  224   2018-02-15   
973-828 6 Morristown NJ WHWKNJAN5MD  224   2015-10-07   
973-833 A South Orange NJ WHWKNJAN5MD  224      
973-833 0 South Orange NJ WHWKNJAN5MD  224      
973-836 A Passaic NJ WHWKNJAN5MD  224      
973-836 0 Passaic NJ WHWKNJAN5MD  224      
973-840 A Caldwell NJ WHWKNJAN5MD  224      
973-840 1 Caldwell NJ WHWKNJAN5MD  224      
973-840 2 Caldwell NJ WHWKNJAN5MD  224   2015-10-17   
973-841 A Newfoundland NJ WHWKNJAN5MD  224      
973-841 4 Newfoundland NJ WHWKNJAN5MD  224      
973-841 5 Newfoundland NJ WHWKNJAN5MD  224   2005-05-13   
973-842 A Bloomfield NJ   224      
973-842 0 Bloomfield NJ   224      
973-845 4 Madison NJ WHWKNJAN5MD  224   2006-03-30   
973-846 A West Milford NJ WHWKNJAN5MD  224      
973-846 0 West Milford NJ WHWKNJAN5MD  224      
973-846 4 West Milford NJ WHWKNJAN5MD  224   2004-01-13   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 >>

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.