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
201-728 4 Rutherford NJ   224   2007-04-22   
201-728 8 Rutherford NJ   224   2001-11-05   
201-742 5 Hackensack NJ   224   2007-11-17   
201-746 0 Park Ridge NJ   224      
201-746 6 Park Ridge NJ   224   2006-04-15   
201-751 4 Union City NJ   224   2006-06-10   
201-751 5 Union City NJ   224   2006-08-15   
201-758 5 Union City NJ   224   2007-04-04   
201-758 7 Union City NJ   224   2011-05-05   
201-758 8 Union City NJ   224   2007-06-11   
201-766 1 Union City NJ   224   2005-03-27   
201-766 2 Union City NJ   224   2005-03-27   
201-766 3 Union City NJ   224   2004-10-28   
201-766 4 Union City NJ   224   2004-10-28   
201-766 5 Union City NJ   224   2005-03-27   
201-766 6 Union City NJ   224   2005-12-29   
201-766 8 Union City NJ   224   2001-11-05   
201-766 9 Union City NJ   224   2005-12-29   
201-771 7 Dumont NJ   224   2013-09-05   
201-773 0 Fair Lawn NJ   224   2007-06-16   
201-773 3 Fair Lawn NJ   224      
201-773 4 Fair Lawn NJ   224      
201-773 6 Fair Lawn NJ   224      
201-773 8 Fair Lawn NJ   224      
201-783 8 Ramsey NJ   224   2008-08-08   
201-817 8 Teaneck NJ   224   2016-11-12   
201-820 1 Hackensack NJ   224   2007-04-22   
201-820 2 Hackensack NJ   224   2007-04-22   
201-820 3 Hackensack NJ   224   2007-04-22   
201-820 4 Hackensack NJ   224   2008-10-17   
201-850 1 Jersey City NJ   224   2007-08-11   
201-857 A Ridgewood NJ   224      
201-857 0 Ridgewood NJ   224   2011-10-31   
201-857 2 Ridgewood NJ   224   2004-08-10   
201-857 3 Ridgewood NJ   224   2006-09-02   
201-857 4 Ridgewood NJ   224   2005-03-27   
201-857 5 Ridgewood NJ   224   2007-07-01   
201-880 0 Hackensack NJ   224      
201-880 1 Hackensack NJ   224   2006-06-19   
201-880 4 Hackensack NJ   224      
201-880 5 Hackensack NJ   224      
201-880 6 Hackensack NJ   224      
201-880 7 Hackensack NJ   224      
201-880 8 Hackensack NJ   224      
201-881 0 Hackensack NJ   224   2013-05-04   
201-882 1 Ridgewood NJ   224   2015-10-31   
201-904 2 Wyckoff NJ   224   2012-03-31   
201-942 9 Jersey City NJ   224   2008-08-11   
201-962 2 Ramsey NJ   224      
201-962 3 Ramsey NJ   224      
201-962 7 Ramsey NJ   224      
201-962 8 Ramsey NJ   224      
201-968 5 Hackensack NJ   224   2008-04-11   
203-202 7 Darien CT   920      
203-202 9 Darien CT   920      
203-210 5 Wilton CT   920      
203-210 7 Wilton CT   920      
203-212 3 Bridgeport CT   920   2010-07-23   
203-220 5 Trumbull CT   920      
203-220 9 Trumbull CT   920      
203-228 5 Waterbury CT   920   2003-07-14   
203-244 A Ridgefield CT   920      
203-244 3 Ridgefield CT   920   2003-05-19   
203-274 5 Stamford CT   920   2003-07-01   
203-274 6 Stamford CT   920   2004-03-01   
203-274 7 Stamford CT   920   2007-08-10   
203-275 8 Bridgeport CT   920   2008-04-11   
203-276 0 Stamford CT   920   2003-05-19   
203-276 1 Stamford CT   920   2003-05-19   
203-276 9 Stamford CT   920   2003-05-19   
203-283 1 Milford CT   920      
203-283 4 Milford CT   920      
203-283 5 Milford CT   920      
203-283 7 Milford CT   920      
203-286 6 Norwalk CT   920   2007-09-20   
203-286 7 Norwalk CT   920   2007-09-20   
203-286 8 Norwalk CT   920   2007-09-20   
203-290 4 Bridgeport CT   920   2014-05-02   
203-292 3 Fairfield CT   920      
203-292 5 Fairfield CT   920      
203-292 6 Fairfield CT   920      
203-292 8 Fairfield CT   920      
203-292 9 Fairfield CT   920      
203-293 4 Westport CT   920   2007-12-07   
203-295 8 Norwalk CT   920   2011-05-05   
203-296 1 Bridgeport CT   920   2006-04-16   
203-296 2 Bridgeport CT   920   2006-04-16   
203-296 4 Bridgeport CT   920   2007-04-21   
203-296 9 Bridgeport CT   920   2006-04-16   
203-298 4 New Haven CT   920      
203-298 9 New Haven CT   920      
203-301 4 Milford CT   920   2007-11-08   
203-309 5 Darien CT   920   2011-08-19   
203-340 2 Greenwich CT   132   2005-01-29   
203-344 1 Old Greenwich CT   920      
203-349 5 Westport CT   920   2010-09-23   
203-362 5 Bridgeport CT   920   2006-02-16   
203-388 8 Stamford CT   920   2008-04-11   
203-406 7 Stamford CT   920   2010-07-23   
203-502 1 Bridgeport CT   920   2005-04-21   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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