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.
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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
973-321 8 Paterson NJ PRNYNJFPDS1  224   2014-05-02   
973-327 4 South Orange NJ PRNYNJFPDS1  224   2003-06-25   
973-333 3 Paterson NJ PRNYNJFPDS1  224   2004-09-13   
973-333 5 Paterson NJ PRNYNJFPDS1  224   2004-09-13   
973-333 8 Paterson NJ PRNYNJFP6MD  224   2002-04-19   
973-333 9 Paterson NJ PRNYNJFPDS1  224   2005-02-10   
973-337 1 Bloomfield NJ PRNYNJFPDS1  224   2005-01-20   
973-339 9 Little Falls NJ PRNYNJFPDS1  224   2007-10-06   
973-341 2 Paterson NJ PRNYNJFP6MD  224   2007-07-01   
973-341 3 Paterson NJ PRNYNJFP6MD  224   2007-07-01   
973-341 4 Paterson NJ PRNYNJFP6MD  224   2003-07-07   
973-341 6 Paterson NJ PRNYNJFP6MD  224   2004-06-14   
973-341 7 Paterson NJ PRNYNJFP6MD  224   2005-02-10   
973-341 9 Paterson NJ PRNYNJFP6MD  224   2005-09-02   
973-343 2 Dover NJ PRNYNJFPDS1  224   2003-07-07   
973-343 6 Dover NJ PRNYNJFPDS1  224   2004-11-29   
973-343 7 Dover NJ PRNYNJFPDS1  224   2004-11-29   
973-350 6 Newark NJ PRNYNJFPDS1  224   2004-11-06   
973-351 4 Newark NJ PRNYNJFPDS1  224   2004-11-06   
973-368 2 Newark NJ PRNYNJFPDS1  224   2004-11-06   
973-368 4 Newark NJ PRNYNJFPDS1  224   2004-11-06   
973-368 8 Newark NJ PRNYNJFPDS1  224   2005-02-12   
973-396 2 Caldwell NJ PRNYNJFPDS1  224   2005-02-27   
973-396 8 Caldwell NJ PRNYNJFP6MD  224   2002-03-20   
973-406 7 Mountain View NJ PRNYNJFPDS1  224   2008-04-11   
973-409 4 Newfoundland NJ PRNYNJFP6MD  224   2003-02-10   
973-433 0 Verona NJ PRNYNJFP6MD  224   2007-12-07   
973-433 4 Verona NJ PRNYNJFP6MD  224   2003-02-10   
973-453 6 Rockaway NJ PRNYNJFPDS3  224   2011-05-05   
973-506 A West Milford NJ PRNYNJFP6MD  224      
973-506 4 West Milford NJ PRNYNJFPDS1  224   2003-04-05   
973-506 6 West Milford NJ PRNYNJFP6MD  224   2013-04-05   
973-506 7 West Milford NJ PRNYNJFP6MD  224   2006-12-08   
973-507 9 Chatham NJ PRNYNJFP6MD  224      
973-513 9 Pompton Lakes NJ PRNYNJFPDS1  224   2007-10-24   
973-520 8 Madison NJ PRNYNJFPDS1  224   2008-03-14   
973-521 9 Caldwell NJ PRNYNJFPDS1  224   2011-10-30   
973-527 3 Netcong NJ PRNYNJFP6MD  224   2003-02-10   
973-527 4 Netcong NJ PRNYNJFPDS1  224   2005-02-28   
973-527 7 Netcong NJ PRNYNJFPDS1  224   2006-10-12   
973-530 4 Orange NJ PRNYNJFPDS1  224   2003-09-02   
973-531 8 Mendham NJ PRNYNJFP6MD  224      
973-542 8 Nutley NJ PRNYNJFP6MD  224   2004-02-17   
973-545 2 Newfoundland NJ PRNYNJFPDS1  224   2005-06-16   
973-552 9 Montague NJ PRNYNJFPDS3  224   2011-12-15   
973-553 1 Paterson NJ PRNYNJFPDS3  224   2007-03-27   
973-553 2 Paterson NJ PRNYNJFPDS3  224   2007-03-27   
973-558 5 Newark NJ PRNYNJFPDS1  224   2011-04-22   
973-585 4 Whippany NJ PRNYNJFP6MD  224      
973-585 6 Whippany NJ PRNYNJFP6MD  224      

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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