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.
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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
516-992 8 Nassau Zone 6 NY   132   2001-05-07   
551-224 8 Fair Lawn NJ   224   2015-09-18   
551-264 9 Ramsey NJ   224   2015-11-07   
551-319 2 Wyckoff NJ   224   2018-12-03   
551-413 3 Kearny NJ   224   2026-02-21   
551-500 9 Ramsey NJ   224   2014-10-24   
609-208 3 Allentown NJ   222   2011-07-15   
609-223 0 Allentown NJ   222   2004-07-11   
609-223 2 Allentown NJ   222   2004-07-11   
609-228 3 Princeton NJ   222   2004-07-11   
609-245 8 Mercerville NJ   222   2011-10-13   
609-249 4 Mercerville NJ   222   2013-05-04   
609-281 2 Pennington NJ   222   2004-07-08   
609-301 7 Hightstown NJ   222   2007-12-12   
609-323 4 Ewing NJ   222   2004-07-11   
609-336 A Hightstown NJ   222      
609-336 0 Hightstown NJ   222   2004-07-11   
609-341 8 Trenton NJ   222   2006-10-19   
609-424 5 Bordentown NJ   222   2004-07-11   
609-438 9 Mercerville NJ   222   2015-11-30   
609-450 2 Lawrenceville NJ   222   2004-07-11   
609-508 A Trenton NJ   222      
609-508 1 Trenton NJ   222   2012-04-22   
609-521 0 Fort Dix NJ   222   2004-07-11   
609-528 0 Mercerville NJ   222   2007-07-22   
609-570 5 Mercerville NJ   222   2007-08-03   
609-570 8 Mercerville NJ   222   2008-10-17   
609-738 3 New Egypt NJ   222   2004-07-11   
609-785 A Plainsboro NJ   222      
609-785 9 Plainsboro NJ   222      
609-834 A Hightstown NJ   222      
609-834 1 Hightstown NJ   222   2015-07-23   
609-838 0 Mercerville NJ   222   2004-07-11   
609-838 1 Mercerville NJ   222   2006-09-23   
609-838 2 Mercerville NJ   222   2005-01-22   
609-838 7 Mercerville NJ   222   2005-01-22   
609-838 9 Mercerville NJ   222   2007-04-22   
609-931 A Trenton NJ   222      
609-931 0 Trenton NJ   222      
609-931 9 Trenton NJ   222      
609-981 7 Mercerville NJ   222   2011-07-01   
631-203 4 Central Islip NY   132   2018-03-08   
631-204 5 Southampton NY   132   2013-06-08   
631-214 A Deer Park NY   132      
631-214 1 Deer Park NY   132   2015-07-23   
631-223 2 Huntington NY   132   2002-06-10   
631-223 3 Huntington NY   132   2002-06-10   
631-228 4 Shoreham NY   132   2007-10-12   
631-236 5 Brentwood NY   132   2003-01-31   
631-237 1 Bridgehampton NY   132   2010-07-22   
631-238 A Montauk Point NY   132      
631-238 5 Montauk Point NY   132   2001-11-10   
631-239 1 Northport NY   132   2007-07-02   
631-239 5 Northport NY   132   2002-06-11   
631-239 6 Northport NY   132   2002-06-11   
631-245 6 Brentwood NY   132   2007-11-17   
631-250 A St James NY   132      
631-250 9 St James NY   132   2013-05-31   
631-256 5 Sayville NY   132   2011-10-27   
631-256 6 Sayville NY   132   2002-12-16   
631-257 5 Smithtown NY   132   2013-09-14   
631-259 2 Southampton NY   132   2004-11-25   
631-259 3 Southampton NY   132   2001-09-18   
631-267 5 Amagansett NY   132   2001-09-18   
631-270 4 Farmingdale NY   132   2002-06-10   
631-274 5 Deer Park NY   132   2002-06-10   
631-284 3 Riverhead NY   132   2003-07-02   
631-284 9 Riverhead NY   132   2010-10-29   
631-285 2 Ronkonkoma NY   132   2013-03-17   
631-285 3 Ronkonkoma NY   132   2013-09-28   
631-291 9 Brentwood NY   132   2004-08-25   
631-292 2 Kings Park NY   132   2007-11-17   
631-296 A Bridgehampton NY   132      
631-296 8 Bridgehampton NY   132   2013-08-19   
631-298 7 Mattituck NY   132   2001-10-02   
631-302 3 East Fire Island NY   132   2003-09-02   
631-307 9 Patchogue NY   132   2013-10-01   
631-314 4 Babylon NY   132   2018-07-13   
631-315 A Mattituck NY   132      
631-315 5 Mattituck NY   132   2007-08-16   
631-319 1 Sayville NY   132   2010-08-28   
631-319 6 Sayville NY   132   2007-11-08   
631-320 A Selden NY   132      
631-320 0 Selden NY   132   2007-10-12   
631-320 1 Selden NY   132   2007-10-12   
631-320 3 Selden NY   132   2007-03-10   
631-323 8 Orient NY   132   2001-09-18   
631-328 1 Bay Shore NY   132   2007-11-17   
631-328 4 Bay Shore NY   132   2007-07-15   
631-328 5 Bay Shore NY   132   2007-09-15   
631-333 2 Greenport (Suffolk) NY   132   2011-07-14   
631-343 A Commack NY   132      
631-343 7 Commack NY   132   2003-11-01   
631-346 3 Selden NY   132   2011-10-20   
631-353 3 Southampton NY   132   2011-06-25   
631-357 3 Brentwood NY   132   2003-07-02   
631-364 9 Stony Brook NY   132   2013-09-05   
631-377 3 Southampton NY   132   2007-04-23   
631-381 0 Riverhead NY   132   2016-07-30   
631-388 A Brentwood NY   132      

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

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