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: 612K CSC VOICE, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
973-685 9 Passaic NJ   224   2007-08-24   
973-688 8 Newark NJ   224   2005-02-12   
973-689 6 Paterson NJ   224   2005-11-07   
973-689 7 Paterson NJ   224   2006-01-21   
973-706 5 Mountain View NJ   224   2005-04-07   
973-706 6 Mountain View NJ   224   2006-09-09   
973-706 7 Mountain View NJ   224   2004-09-13   
973-706 8 Mountain View NJ   224   2002-02-12   
973-712 6 Livingston NJ   224      
973-732 A Newark NJ   224      
973-732 0 Newark NJ   224   2007-06-11   
973-732 1 Newark NJ   224   2007-06-11   
973-732 2 Newark NJ   224   2007-04-21   
973-732 3 Newark NJ   224   2007-04-21   
973-732 4 Newark NJ   224   2007-04-14   
973-732 5 Newark NJ   224   2007-04-14   
973-732 6 Newark NJ   224   2007-06-11   
973-732 7 Newark NJ   224   2007-06-11   
973-732 9 Newark NJ   224   2007-09-21   
973-737 A Vernon NJ   224      
973-737 6 Vernon NJ   224   2004-03-01   
973-749 A Upper Greenwood Lake NJ   224      
973-749 6 Upper Greenwood Lake NJ   224   2004-03-01   
973-750 1 Butler NJ   224   2012-10-22   
973-767 2 Passaic NJ   224   2007-08-24   
973-782 4 Paterson NJ   224   2007-09-22   
973-782 5 Paterson NJ   224   2007-09-22   
973-782 6 Paterson NJ   224   2007-09-22   
973-784 3 Rockaway NJ   224   2003-02-10   
973-784 4 Rockaway NJ   224   2005-02-28   
973-794 3 Boonton NJ   224   2005-01-22   
973-794 4 Boonton NJ   224   2005-01-22   
973-794 6 Boonton NJ   224   2011-08-26   
973-798 2 Nutley NJ   224   2007-12-15   
973-810 2 Hopatcong NJ   224   2007-04-22   
973-810 3 Hopatcong NJ   224   2005-09-02   
973-821 5 South Orange NJ   224   2006-10-12   
973-831 2 Pompton Lakes NJ   224   2005-03-27   
973-832 4 Mountain View NJ   224   2007-06-11   
973-832 7 Mountain View NJ   224   2013-04-05   
973-837 6 Little Falls NJ   224   2006-04-16   
973-837 8 Little Falls NJ   224   2002-03-20   
973-845 2 Madison NJ   224      
973-845 6 Madison NJ   224      
973-845 9 Madison NJ   224      
973-850 6 Butler NJ   224   2008-07-20   
973-856 6 Newark NJ   224   2008-02-22   
973-859 0 Passaic NJ   224   2007-09-22   
973-869 4 Erskine Lakes NJ   224   2007-09-21   
973-874 0 Newfoundland NJ   224   2007-10-24   

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

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