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
973-991 1 Newark NJ PRNYNJFPDS3  224   2006-02-19   
973-991 2 Newark NJ PRNYNJFPDS1  224   2005-03-27   
973-991 3 Newark NJ PRNYNJFPDS1  224   2005-03-27   
973-998 0 Morristown NJ PRNYNJFP6MD  224      
973-998 4 Morristown NJ PRNYNJFP6MD  224      
973-998 5 Morristown NJ PRNYNJFP6MD  224      
973-998 6 Morristown NJ PRNYNJFP6MD  224      
973-998 7 Morristown NJ PRNYNJFP6MD  224      
973-998 8 Morristown NJ PRNYNJFP6MD  224      
973-998 9 Morristown NJ PRNYNJFP6MD  224      
979-209 3 Bryan-College Station TX   570      
979-209 7 Bryan-College Station TX   570      
979-353 5 Brenham TX   560   2014-03-01   
979-450 7 Bryan-College Station TX   570   2011-04-12   
979-485 1 Bryan-College Station TX   570   2013-08-07   
979-485 2 Bryan-College Station TX   570   2013-11-21   
979-485 5 Bryan-College Station TX   570   2014-07-31   
979-485 9 Bryan-College Station TX   570   2012-03-25   
979-551 9 Brenham TX   560   2011-05-16   
979-703 A Bryan-College Station TX BRYNTXXAX7X  570      
979-703 1 Bryan-College Station TX   570   2010-03-26   
979-703 4 Bryan-College Station TX   570   2006-11-15   
979-703 5 Bryan-College Station TX   570   2006-11-15   
979-703 6 Bryan-College Station TX   570   2007-10-25   
979-703 7 Bryan-College Station TX   570   2007-10-25   
979-703 8 Bryan-College Station TX   570   2007-10-25   
979-704 A Bryan-College Station TX BRYNTXXAX7X  570      
979-704 0 Bryan-College Station TX   570   2013-12-30   
979-704 1 Bryan-College Station TX   570   2013-12-30   
979-704 2 Bryan-College Station TX   570   2013-12-30   
979-704 3 Bryan-College Station TX   570   2013-12-30   
979-704 4 Bryan-College Station TX   570   2013-12-30   
979-704 5 Bryan-College Station TX   570   2013-12-30   
979-704 6 Bryan-College Station TX   570   2013-12-30   
984-204 A Raleigh NC RLGHNCHOXZZ  426      
984-204 5 Raleigh NC   426   2014-03-02   

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

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