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.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
973-343 6 Dover NJ   224   2004-11-29   
973-343 7 Dover NJ   224   2004-11-29   
973-350 6 Newark NJ   224   2004-11-06   
973-351 4 Newark NJ   224   2004-11-06   
973-368 2 Newark NJ   224   2004-11-06   
973-368 4 Newark NJ   224   2004-11-06   
973-368 8 Newark NJ   224   2005-02-12   
973-396 2 Caldwell NJ   224   2005-02-27   
973-396 8 Caldwell NJ   224   2002-03-20   
973-406 7 Mountain View NJ   224   2008-04-11   
973-409 4 Newfoundland NJ   224   2003-02-10   
973-433 0 Verona NJ   224   2007-12-07   
973-433 4 Verona NJ   224   2003-02-10   
973-453 6 Rockaway NJ   224   2011-05-05   
973-506 A West Milford NJ   224      
973-506 4 West Milford NJ   224   2003-04-05   
973-506 6 West Milford NJ   224   2013-04-05   
973-506 7 West Milford NJ   224   2006-12-08   
973-513 9 Pompton Lakes NJ   224   2007-10-24   
973-520 8 Madison NJ   224   2008-03-14   
973-521 9 Caldwell NJ   224   2011-10-30   
973-527 3 Netcong NJ   224   2003-02-10   
973-527 4 Netcong NJ   224   2005-02-28   
973-527 7 Netcong NJ   224   2006-10-12   
973-530 4 Orange NJ   224   2003-09-02   
973-531 8 Mendham NJ   224      
973-542 8 Nutley NJ   224   2004-02-17   
973-545 2 Newfoundland NJ   224   2005-06-16   
973-552 9 Montague NJ   224   2011-12-15   
973-553 1 Paterson NJ   224   2007-03-27   
973-553 2 Paterson NJ   224   2007-03-27   
973-558 5 Newark NJ   224   2011-04-22   
973-585 6 Whippany NJ   224      
973-588 3 Boonton NJ   224   2007-04-21   
973-588 4 Boonton NJ   224   2006-09-02   
973-588 5 Boonton NJ   224   2013-08-08   
973-588 7 Boonton NJ   224   2007-09-21   
973-590 2 Morristown NJ   224   2011-11-13   
973-601 3 Hopatcong NJ   224   2003-02-10   
973-601 7 Hopatcong NJ   224   2004-11-06   
973-607 1 Dover NJ   224   2002-05-07   
973-620 9 Dover NJ   224   2009-10-23   
973-638 1 Little Falls NJ   224   2007-12-21   
973-646 8 Mountain View NJ   224   2011-05-20   
973-653 3 Paterson NJ   224   2008-03-14   
973-653 5 Paterson NJ   224   2005-04-07   
973-653 9 Paterson NJ   224   2008-05-16   
973-665 8 Chatham NJ   224   2008-03-06   
973-668 5 Succasunna NJ   224   2003-02-10   
973-685 7 Passaic NJ   224   2007-08-24   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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