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.

Switch: PITEPA99DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
412-223 6 Pittsburgh Zone 2 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2009-10-06   
412-238 8 Pittsburgh Zone 2 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2010-09-07   
412-250 7 Pittsburgh Zone 7 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-06-23   
412-290 7 Pittsburgh Zone 1 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2009-10-06   
412-301 1 Pittsburgh Zone 2 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-06-23   
412-342 5 Pittsburgh Zone 4 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2008-03-30   
412-349 5 Pittsburgh Suburban Zone 22 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2011-09-28   
412-353 7 Pittsburgh Zone 7 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2010-09-07   
412-357 0 Pittsburgh Suburban Zone 22 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-06-23   
412-379 3 Pittsburgh Zone 6 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2010-09-07   
412-405 3 Elizabeth PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2008-03-30   
412-440 3 Pittsburgh Zone 6 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-06-23   
412-446 8 Pittsburgh Suburban Zone 14 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2010-09-07   
412-468 A Clairton PA 283E YMAX COMMUNICATIONS CORP. - PA 234      
412-468 0 Clairton PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-02-03   
412-468 1 Clairton PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-02-03   
412-468 2 Clairton PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-02-03   
412-468 3 Clairton PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-02-03   
412-468 4 Clairton PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-02-03   
412-468 5 Clairton PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-02-03   
412-468 6 Clairton PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-02-03   
412-468 7 Clairton PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-02-03   
412-468 8 Clairton PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-02-03   
412-468 9 Clairton PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-02-03   
412-489 7 Pittsburgh Suburban Zone 14 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-06-23   
412-542 8 Pittsburgh Suburban Zone 10 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2008-03-30   
412-631 8 Pittsburgh Suburban Zone 15 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-06-23   
412-729 6 Elizabeth PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2009-02-11   
412-894 3 Pittsburgh Zone 1 PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-06-23   
724-320 6 Uniontown (Fayette) PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2009-02-11   
724-427 4 Indiana PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-06-23   
724-427 6 Indiana PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2008-06-02   
724-427 7 Indiana PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2008-06-02   
724-427 8 Indiana PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2009-02-11   
724-503 2 Washington PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-06-23   
724-503 3 Washington PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2008-05-25   
724-550 1 Uniontown (Fayette) PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2007-06-23   
724-550 7 Uniontown (Fayette) PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2008-10-04   
724-552 9 Greensburg PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2008-08-09   
724-610 5 Greensburg PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2009-02-11   
724-614 7 New Castle PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2009-02-11   
724-691 3 Greensburg PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2009-07-23   
724-698 5 New Castle PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2008-03-30   
724-717 8 Indiana PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2009-02-11   
724-923 3 New Castle PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2009-07-23   
724-923 5 New Castle PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2008-07-19   
724-965 3 New Castle PA 283E YMAX COMMUNICATIONS CORP. - PA 234   2009-07-23   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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