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
973-230 3 Newark NJ   224      
973-230 4 Newark NJ   224      
973-230 7 Newark NJ   224      
973-230 8 Newark NJ   224      
973-234 5 Hopatcong NJ   224   2007-10-06   
973-240 7 Whippany NJ   224   2007-11-17   
973-246 A Passaic NJ   224      
973-246 1 Passaic NJ   224   2005-04-09   
973-246 3 Passaic NJ   224   2005-04-09   
973-246 4 Passaic NJ   224   2004-11-10   
973-246 5 Passaic NJ   224   2004-11-10   
973-246 6 Passaic NJ   224   2004-11-10   
973-246 7 Passaic NJ   224   2005-04-09   
973-246 9 Passaic NJ   224   2004-02-16   
973-248 6 Pompton Lakes NJ   224   2004-08-14   
973-250 0 Branchville NJ   224   2011-12-17   
973-265 0 Boonton NJ   224   2012-08-18   
973-265 4 Boonton NJ   224   2003-07-07   
973-265 8 Boonton NJ   224   2002-03-16   
973-270 0 Morristown NJ   224   2007-09-06   
973-272 2 Passaic NJ   224   2004-03-01   
973-272 3 Passaic NJ   224   2004-07-16   
973-272 6 Passaic NJ   224   2007-12-13   
973-272 8 Passaic NJ   224   2002-03-20   
973-287 7 Caldwell NJ   224   2006-09-29   
973-288 1 Hopatcong NJ   224   2007-12-21   
973-291 4 Butler NJ   224   2003-07-07   
973-291 6 Butler NJ   224   2005-04-07   
973-291 8 Butler NJ   224   2007-07-14   
973-295 6 Madison NJ   224   2008-10-17   
973-304 1 Hawthorne NJ   224   2007-09-06   
973-304 4 Hawthorne NJ   224   2013-05-04   
973-310 3 Hawthorne NJ   224   2008-07-20   
973-320 2 Nutley NJ   224   2005-02-27   
973-320 5 Nutley NJ   224   2007-07-01   
973-321 8 Paterson NJ   224   2014-05-02   
973-327 4 South Orange NJ   224   2003-06-25   
973-333 3 Paterson NJ   224   2004-09-13   
973-333 5 Paterson NJ   224   2004-09-13   
973-333 8 Paterson NJ   224   2002-04-19   
973-333 9 Paterson NJ   224   2005-02-10   
973-337 1 Bloomfield NJ   224   2005-01-20   
973-339 9 Little Falls NJ   224   2007-10-06   
973-341 2 Paterson NJ   224   2007-07-01   
973-341 3 Paterson NJ   224   2007-07-01   
973-341 4 Paterson NJ   224   2003-07-07   
973-341 6 Paterson NJ   224   2004-06-14   
973-341 7 Paterson NJ   224   2005-02-10   
973-341 9 Paterson NJ   224   2005-09-02   
973-343 2 Dover NJ   224   2003-07-07   

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

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