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
347-787 0 New York City Zone 06 NY   132   2006-04-01   
347-787 1 New York City Zone 06 NY   132   2006-04-01   
347-787 2 New York City Zone 06 NY   132   2006-04-01   
347-787 3 New York City Zone 06 NY   132   2006-04-01   
347-787 4 New York City Zone 06 NY   132   2006-04-24   
347-787 5 New York City Zone 06 NY   132   2006-04-24   
347-787 6 New York City Zone 06 NY   132   2006-04-24   
347-787 7 New York City Zone 06 NY   132   2006-04-24   
347-787 8 New York City Zone 06 NY   132   2006-04-24   
347-789 1 New York City Zone 06 NY   132   2006-03-25   
347-789 3 New York City Zone 06 NY   132   2005-08-23   
347-789 4 New York City Zone 06 NY   132   2005-10-24   
347-789 5 New York City Zone 06 NY   132   2005-10-24   
347-789 6 New York City Zone 06 NY   132   2005-12-02   
347-789 8 New York City Zone 06 NY   132   2004-11-01   
347-789 9 New York City Zone 06 NY   132   2004-11-01   
347-810 A New York City Zone 04 NY   132      
347-810 0 New York City Zone 04 NY   132   2006-11-16   
347-810 1 New York City Zone 04 NY   132   2006-11-16   
347-810 5 New York City Zone 04 NY   132   2007-07-22   
347-810 6 New York City Zone 04 NY   132   2007-07-22   
347-810 7 New York City Zone 04 NY   132   2007-07-22   
347-810 9 New York City Zone 04 NY   132   2007-07-22   
347-820 6 New York City Zone 03 NY   132   2008-02-06   
347-820 7 New York City Zone 03 NY   132   2008-02-06   
347-842 A New York City Zone 04 NY   132      
347-843 A New York City Zone 05 NY   132      
347-843 0 New York City Zone 05 NY   132   2008-04-11   
347-843 6 New York City Zone 05 NY   132   2008-04-11   
347-843 7 New York City Zone 05 NY   132   2008-04-11   
347-843 8 New York City Zone 05 NY   132   2008-04-11   
347-851 2 New York City Zone 04 NY   132   2006-04-24   
347-851 3 New York City Zone 04 NY   132   2006-04-24   
347-851 4 New York City Zone 04 NY   132   2006-04-24   
347-851 5 New York City Zone 04 NY   132   2006-04-24   
347-851 6 New York City Zone 04 NY   132   2006-04-24   
347-862 A New York City Zone 03 NY   132      
347-862 0 New York City Zone 03 NY   132   2007-07-21   
347-862 1 New York City Zone 03 NY   132   2007-07-21   
347-862 2 New York City Zone 03 NY   132   2007-07-21   
347-862 3 New York City Zone 03 NY   132   2007-07-21   
347-862 4 New York City Zone 03 NY   132   2007-12-14   
347-862 5 New York City Zone 03 NY   132   2007-12-14   
347-862 6 New York City Zone 03 NY   132   2007-12-14   
347-862 7 New York City Zone 03 NY   132   2007-12-14   
347-879 6 New York City Zone 03 NY   132   2004-03-08   
347-879 7 New York City Zone 03 NY   132   2004-03-08   
347-879 8 New York City Zone 03 NY   132   2004-03-08   
347-899 8 New York City Zone 05 NY   132   2011-05-09   
347-913 A New York City Zone 05 NY   132      
347-913 4 New York City Zone 05 NY   132   2011-05-21   
347-915 A New York City Zone 06 NY   132      
347-915 0 New York City Zone 06 NY   132   2011-05-16   
347-915 1 New York City Zone 06 NY   132   2011-05-16   
347-915 2 New York City Zone 06 NY   132   2011-05-16   
347-918 8 New York City Zone 03 NY   132   2011-08-16   
347-918 9 New York City Zone 03 NY   132   2011-08-21   
347-920 2 New York City Zone 05 NY   132   2006-09-25   
347-920 3 New York City Zone 05 NY   132   2006-09-25   
347-920 4 New York City Zone 05 NY   132   2006-09-25   
347-920 5 New York City Zone 05 NY   132   2006-09-25   
347-922 7 New York City Zone 07 NY   132   2006-10-22   
347-945 A New York City Zone 05 NY   132      
347-945 0 New York City Zone 05 NY   132   2007-09-01   
347-945 1 New York City Zone 05 NY   132   2007-09-01   
347-945 2 New York City Zone 05 NY   132   2007-09-01   
347-945 3 New York City Zone 05 NY   132   2007-09-01   
347-945 4 New York City Zone 05 NY   132   2007-09-01   
347-947 3 New York City Zone 05 NY   132   2012-04-10   
347-947 4 New York City Zone 05 NY   132   2012-11-06   
347-947 9 New York City Zone 05 NY   132   2011-10-04   
347-955 A New York City Zone 06 NY   132      
347-955 4 New York City Zone 06 NY   132   2011-11-13   
347-955 5 New York City Zone 06 NY   132   2011-11-13   
347-963 4 New York City Zone 03 NY   132   2006-11-18   
347-963 9 New York City Zone 03 NY   132   2006-11-18   
347-964 A New York City Zone 05 NY   132      
347-964 0 New York City Zone 05 NY   132   2008-02-06   
347-964 1 New York City Zone 05 NY   132   2008-02-19   
347-964 5 New York City Zone 05 NY   132   2006-07-13   
347-964 6 New York City Zone 05 NY   132   2006-07-13   
347-964 7 New York City Zone 05 NY   132   2006-07-13   
347-980 A New York City Zone 05 NY   132      
347-980 2 New York City Zone 05 NY   132   2011-10-30   
347-985 A New York City Zone 06 NY   132      
347-985 1 New York City Zone 06 NY   132   2008-08-10   
347-985 2 New York City Zone 06 NY   132   2008-08-10   
475-209 9 New Haven CT   920   2014-12-05   
475-282 4 Bridgeport CT   920   2013-04-02   
475-282 9 Bridgeport CT   920   2012-09-28   
475-328 9 Darien CT   920   2014-08-22   
475-330 A Fairfield CT   920      
475-330 1 Fairfield CT   920   2015-08-01   
475-396 A Bridgeport CT   920   2025-10-02   
475-396 4 Bridgeport CT   920   2025-10-02   
475-422 9 Bridgeport CT   920   2013-04-15   
475-449 9 Bridgeport CT   920   2014-12-20   
475-549 8 Milford CT   920   2015-06-22   
475-558 9 New Canaan CT   920   2015-06-26   
475-619 5 Stamford CT   920   2015-07-25   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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