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: PITBPADTX5Y

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
412-206 7 Pittsburgh Suburban Zone 13 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2008-10-19   
412-223 4 Pittsburgh Zone 2 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2006-11-17   
412-223 9 Pittsburgh Zone 2 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2003-11-17   
412-224 5 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2006-02-04   
412-226 8 Clairton PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2003-11-17   
412-246 3 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2006-10-28   
412-246 7 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2006-10-28   
412-249 9 Pittsburgh Suburban Zone 14 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2011-04-01   
412-254 9 Pittsburgh Zone 6 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2003-11-17   
412-256 9 Pittsburgh Zone 4 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2002-09-15   
412-265 6 Pittsburgh Suburban Zone 20 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2009-04-18   
412-265 9 Pittsburgh Suburban Zone 20 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2003-11-17   
412-282 8 Pittsburgh Zone 3 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2010-07-18   
412-283 6 Pittsburgh Suburban Zone 12 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2011-04-02   
412-283 9 Pittsburgh Suburban Zone 12 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2003-11-17   
412-301 2 Pittsburgh Zone 2 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2006-12-11   
412-324 8 Pittsburgh Suburban Zone 16 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2008-05-19   
412-324 9 Pittsburgh Suburban Zone 16 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2003-11-17   
412-345 5 Pittsburgh Zone 8 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2002-09-15   
412-345 8 Pittsburgh Zone 8 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2009-08-05   
412-346 1 Pittsburgh Suburban Zone 10 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2009-08-06   
412-346 7 Pittsburgh Suburban Zone 10 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2002-09-25   
412-357 9 Pittsburgh Suburban Zone 22 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2003-11-17   
412-379 A Pittsburgh Zone 6 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-379 0 Pittsburgh Zone 6 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-379 4 Pittsburgh Zone 6 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-379 5 Pittsburgh Zone 6 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-386 3 Pittsburgh Suburban Zone 11 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2008-03-27   
412-406 2 Pittsburgh Suburban Zone 19 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2002-12-21   
412-407 1 Pittsburgh Zone 3 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2010-04-04   
412-428 A Pittsburgh Suburban Zone 14 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-444 6 Pittsburgh Zone 7 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2010-04-22   
412-451 8 Pittsburgh Zone 5 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2003-11-17   
412-455 9 Pittsburgh Suburban Zone 19 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2003-11-17   
412-479 A Pittsburgh Suburban Zone 12 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-535 A Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-535 0 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-535 4 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-535 5 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-535 6 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-535 7 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-535 8 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-535 9 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-540 2 Pittsburgh Zone 4 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2009-05-16   
412-540 3 Pittsburgh Zone 4 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2009-05-16   
412-545 8 Pittsburgh Zone 4 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234   2003-11-17   
412-548 A Pittsburgh Suburban Zone 17 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-548 0 Pittsburgh Suburban Zone 17 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-548 4 Pittsburgh Suburban Zone 17 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      
412-548 5 Pittsburgh Suburban Zone 17 PA 7341 XO COMMUNICATIONS SERVICES INC - PA 234      

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

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