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 OCN LATA LIR Eff date Disc date
219-225 5 Lowell IN 516C AT&T CORP. 358   2011-06-02   
219-226 4 Crown Point IN 516C AT&T CORP. 358   2006-05-02   
219-227 9 Dyer IN 516C AT&T CORP. 358   2006-05-02   
219-256 8 East Chicago IN 516C AT&T CORP. 358   2008-10-10   
219-281 7 Crown Point IN 516C AT&T CORP. 358   2015-02-16   
219-301 A Highland IN 516C AT&T CORP. 358      
219-301 5 Highland IN 516C AT&T CORP. 358   2014-08-07   
219-370 5 Whiting IN 516C AT&T CORP. 358   2011-06-02   
219-374 0 Cedar Lake IN 516C AT&T CORP. 358   2011-06-02   
219-487 5 Gary IN 516C AT&T CORP. 358   2006-07-07   
219-501 A Hammond IN 516C AT&T CORP. 358      
219-501 7 Hammond IN 516C AT&T CORP. 358   2015-02-11   
219-506 4 Morocco IN 516C AT&T CORP. 358   2011-06-02   
219-513 6 Highland IN 516C AT&T CORP. 358   2006-05-02   
219-525 5 Merrillville IN 516C AT&T CORP. 358   2011-06-02   
219-627 4 St John IN 516C AT&T CORP. 358   2008-10-10   
219-702 4 Gary IN 516C AT&T CORP. 358   2013-11-21   
219-803 2 Hammond IN 516C AT&T CORP. 358   2006-07-07   
219-806 8 Gary IN 516C AT&T CORP. 358   2016-06-15   
219-992 7 Lake Village IN 516C AT&T CORP. 358   2011-06-02   
224-213 7 Northbrook IL 516C AT&T CORP. 358   2006-06-30   
224-218 A Hampshire IL 516C AT&T CORP. 358      
224-218 1 Hampshire IL 516C AT&T CORP. 358   2004-12-01   
224-225 A Fox Lake IL 516C AT&T CORP. 358      
224-225 6 Fox Lake IL 516C AT&T CORP. 358   2007-03-05   
224-227 7 Elgin IL 516C AT&T CORP. 358   2011-09-09   
224-236 5 Bartlett IL 516C AT&T CORP. 358   2014-05-22   
224-238 7 Elgin IL 516C AT&T CORP. 358   2005-04-19   
224-293 2 Dundee IL 516C AT&T CORP. 358   2006-06-30   
224-313 8 Wheeling IL 516C AT&T CORP. 358   2016-11-08   
224-347 5 Arlington Heights IL 516C AT&T CORP. 358   2015-03-11   
224-357 A Cary IL 516C AT&T CORP. 358      
224-357 4 Cary IL 516C AT&T CORP. 358   2006-06-30   
224-361 3 Des Plaines IL 516C AT&T CORP. 358   2006-06-30   
224-372 A Lake Villa IL 516C AT&T CORP. 358      
224-372 5 Lake Villa IL 516C AT&T CORP. 358   2007-03-12   
224-381 7 Waukegan IL 516C AT&T CORP. 358   2006-06-08   
224-436 8 Lake Forest IL 516C AT&T CORP. 358   2006-06-30   
224-470 5 Skokie IL 516C AT&T CORP. 358   2015-10-01   
224-480 8 Waukegan IL 516C AT&T CORP. 358   2016-08-09   
224-515 8 Deerfield IL 516C AT&T CORP. 358   2006-06-30   
224-520 8 Roselle IL 516C AT&T CORP. 358   2005-04-20   
224-585 6 Park Ridge IL 516C AT&T CORP. 358   2007-01-05   
224-616 3 Glenview IL 516C AT&T CORP. 358   2006-06-30   
224-637 8 Waukegan IL 516C AT&T CORP. 358   2010-09-16   
224-677 5 Lake Zurich IL 516C AT&T CORP. 358   2006-06-30   
224-678 7 Algonquin IL 516C AT&T CORP. 358   2007-03-05   
224-714 3 Evanston IL 516C AT&T CORP. 358   2015-08-28   
224-735 A Arlington Heights IL 516C AT&T CORP. 358      
224-735 7 Arlington Heights IL 516C AT&T CORP. 358   2006-04-15   

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Last updated: Tue, 04 May 2021 15:04:27 UTC

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