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

<< 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 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
973-794 6 Boonton NJ PRNYNJFPDS3  224   2011-08-26   
973-798 2 Nutley NJ PRNYNJFP6MD  224   2007-12-15   
973-810 2 Hopatcong NJ PRNYNJFPDS3  224   2007-04-22   
973-810 3 Hopatcong NJ PRNYNJFPDS1  224   2005-09-02   
973-821 5 South Orange NJ PRNYNJFPDS3  224   2006-10-12   
973-831 2 Pompton Lakes NJ PRNYNJFPDS1  224   2005-03-27   
973-832 4 Mountain View NJ PRNYNJFPDS3  224   2007-06-11   
973-832 7 Mountain View NJ PRNYNJFPDS1  224   2013-04-05   
973-837 6 Little Falls NJ PRNYNJFP6MD  224   2006-04-16   
973-837 8 Little Falls NJ PRNYNJFP6MD  224   2002-03-20   
973-845 2 Madison NJ PRNYNJFP6MD  224      
973-845 6 Madison NJ PRNYNJFP6MD  224      
973-845 9 Madison NJ PRNYNJFP6MD  224      
973-850 6 Butler NJ PRNYNJFPDS1  224   2008-07-20   
973-856 6 Newark NJ PRNYNJFPDS3  224   2008-02-22   
973-859 0 Passaic NJ PRNYNJFPDS3  224   2007-09-22   
973-869 4 Erskine Lakes NJ PRNYNJFPDS3  224   2007-09-21   
973-874 0 Newfoundland NJ PRNYNJFPDS1  224   2007-10-24   
973-878 2 Newark NJ PRNYNJFPDS3  224   2006-05-25   
973-878 3 Newark NJ PRNYNJFPDS3  224   2006-05-25   
973-891 1 Dover NJ PRNYNJFPDS1  224   2006-05-21   
973-894 3 Passaic NJ PRNYNJFPDS3  224   2007-09-22   
973-900 5 Newark NJ PRNYNJFPDS3  224   2007-04-04   
973-900 6 Newark NJ PRNYNJFPDS3  224   2007-03-21   
973-901 A Newark NJ PRNYNJFP6MD  224      
973-901 9 Newark NJ PRNYNJFP6MD  224   2005-06-12   
973-907 2 Pompton Lakes NJ PRNYNJFPDS1  224   2005-03-27   
973-907 7 Pompton Lakes NJ PRNYNJFP6MD  224   2002-04-19   
973-917 3 Boonton NJ PRNYNJFPDS3  224   2007-10-06   
973-917 4 Boonton NJ PRNYNJFPDS1  224   2007-10-06   
973-925 4 Paterson NJ PRNYNJFPDS1  224   2006-04-01   
973-925 5 Paterson NJ PRNYNJFPDS1  224   2006-04-01   
973-925 7 Paterson NJ PRNYNJFPDS3  224   2007-03-27   
973-928 1 Passaic NJ PRNYNJFPDS1  224   2006-03-25   
973-928 2 Passaic NJ PRNYNJFPDS1  224   2006-03-25   
973-928 3 Passaic NJ PRNYNJFPDS1  224   2006-07-29   
973-928 4 Passaic NJ PRNYNJFPDS1  224   2006-07-29   
973-928 5 Passaic NJ PRNYNJFPDS1  224   2006-07-29   
973-928 6 Passaic NJ PRNYNJFPDS3  224   2007-06-22   
973-933 2 Mount Freedom NJ PRNYNJFP6MD  224   2003-02-10   
973-949 3 Hawthorne NJ PRNYNJFPDS1  224   2005-02-28   
973-949 4 Hawthorne NJ PRNYNJFP6MD  224   2003-02-10   
973-949 5 Hawthorne NJ PRNYNJFPDS1  224   2006-10-26   
973-955 0 Passaic NJ PRNYNJFPDS3  224   2007-04-22   
973-955 2 Passaic NJ PRNYNJFPDS1  224   2006-12-21   
973-955 4 Passaic NJ PRNYNJFPDS3  224   2006-12-21   
973-957 0 Rockaway NJ PRNYNJFPDS1  224   2014-09-06   
973-970 9 Succasunna NJ PRNYNJFPDS1  224   2006-10-02   
973-987 3 Mountain View NJ PRNYNJFPDS1  224   2017-09-22   
973-991 0 Newark NJ PRNYNJFPDS1  224   2006-01-19   

<< 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 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.