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.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
551-413 3 Kearny NJ   224   2026-02-21   
551-500 9 Ramsey NJ   224   2014-10-24   
572-203 A Noble OK   536      
572-215 A Wayne OK   536      
573-978 A Centertown MO   521      
580-297 A Enid OK   536      
606-264 A Paintsville KY   466      
606-506 A Prestonsburg KY   466      
606-519 A Stone KY   466      
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   
620-618 A Fort Scott KS   532      
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   

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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