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
940-746 9 Henrietta TX   548   2024-05-12   
940-938 0 Childress TX   548   2024-05-12   
940-963 A Iowa Park TX WCFLTXFGHMD  548      
940-963 6 Iowa Park TX   548   2024-05-26   
940-970 A Burkburnett TX WCFLTXFGHMD  548      
940-970 5 Burkburnett TX   548   2024-05-25   
959-209 A Watertown CT NRWLCT02SMD  920      
959-209 4 Watertown CT NRWLCT02SMD  920   2016-08-28   
972-346 4 Prosper EMS TX   552   2007-06-11   
972-924 7 Anna TX   552   2007-05-11   
973-200 0 Little Falls NJ PRNYNJFPDS1  224   2004-07-01   
973-206 1 Morristown NJ PRNYNJFPDS3  224   2007-09-21   
973-230 0 Newark NJ PRNYNJFP6MD  224      
973-230 1 Newark NJ PRNYNJFPDS3  224   2006-02-19   
973-230 2 Newark NJ PRNYNJFP6MD  224      
973-230 3 Newark NJ PRNYNJFP6MD  224      
973-230 4 Newark NJ PRNYNJFP6MD  224      
973-230 7 Newark NJ PRNYNJFP6MD  224      
973-230 8 Newark NJ PRNYNJFP6MD  224      
973-234 5 Hopatcong NJ PRNYNJFPDS1  224   2007-10-06   
973-240 7 Whippany NJ PRNYNJFPDS1  224   2007-11-17   
973-246 A Passaic NJ PRNYNJFP6MD  224      
973-246 1 Passaic NJ PRNYNJFPDS1  224   2005-04-09   
973-246 3 Passaic NJ PRNYNJFPDS1  224   2005-04-09   
973-246 4 Passaic NJ PRNYNJFPDS1  224   2004-11-10   
973-246 5 Passaic NJ PRNYNJFPDS1  224   2004-11-10   
973-246 6 Passaic NJ PRNYNJFPDS1  224   2004-11-10   
973-246 7 Passaic NJ PRNYNJFPDS1  224   2005-04-09   
973-246 9 Passaic NJ PRNYNJFPDS1  224   2004-02-16   
973-248 6 Pompton Lakes NJ PRNYNJFPDS1  224   2004-08-14   
973-250 0 Branchville NJ PRNYNJFPDS3  224   2011-12-17   
973-265 0 Boonton NJ PRNYNJFPDS3  224   2012-08-18   
973-265 4 Boonton NJ PRNYNJFPDS1  224   2003-07-07   
973-265 8 Boonton NJ PRNYNJFP6MD  224   2002-03-16   
973-270 0 Morristown NJ PRNYNJFPDS3  224   2007-09-06   
973-272 2 Passaic NJ PRNYNJFPDS1  224   2004-03-01   
973-272 3 Passaic NJ PRNYNJFPDS1  224   2004-07-16   
973-272 6 Passaic NJ PRNYNJFPDS1  224   2007-12-13   
973-272 8 Passaic NJ PRNYNJFP6MD  224   2002-03-20   
973-287 7 Caldwell NJ PRNYNJFP6MD  224   2006-09-29   
973-288 1 Hopatcong NJ PRNYNJFPDS1  224   2007-12-21   
973-291 4 Butler NJ PRNYNJFPDS1  224   2003-07-07   
973-291 6 Butler NJ PRNYNJFPDS1  224   2005-04-07   
973-291 8 Butler NJ PRNYNJFPDS1  224   2007-07-14   
973-295 6 Madison NJ PRNYNJFPDS1  224   2008-10-17   
973-304 1 Hawthorne NJ PRNYNJFPDS3  224   2007-09-06   
973-304 4 Hawthorne NJ PRNYNJFPDS1  224   2013-05-04   
973-310 3 Hawthorne NJ PRNYNJFPDS1  224   2008-07-20   
973-320 2 Nutley NJ PRNYNJFPDS1  224   2005-02-27   
973-320 5 Nutley NJ PRNYNJFPDS3  224   2007-07-01   

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

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