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.
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Switch: PITBPADTX9X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
412-230 4 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2012-09-01   
412-230 9 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2013-06-26   
412-285 A Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234      
412-285 4 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-285 5 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-285 6 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-285 7 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-285 8 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-285 9 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-291 1 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234      
412-346 5 Pittsburgh Suburban Zone 10 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2007-07-01   
412-360 7 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2010-04-04   
412-368 9 Pittsburgh Zone 5 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2007-07-29   
412-385 1 Pittsburgh Suburban Zone 10 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2010-04-04   
412-402 9 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2007-04-20   
412-416 A Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234      
412-416 0 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-416 1 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-416 2 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-416 3 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-416 4 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-416 5 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-416 6 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-416 7 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-416 8 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-416 9 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2009-10-10   
412-452 9 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2008-10-06   
412-510 A Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234      
412-510 0 Pittsburgh Zone 1 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2017-04-23   
412-532 3 Pittsburgh Suburban Zone 11 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2007-04-05   
412-533 7 Clairton PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2008-07-11   
412-685 0 Pittsburgh Zone 5 PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2010-04-04   
724-213 5 Imperial PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2010-11-15   
724-273 8 Imperial PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2007-04-05   
724-492 2 McDonald PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2013-10-30   
724-558 3 Springdale PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2011-09-02   
724-703 1 Oakdale (Allegheny) PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2007-07-07   
724-803 A Avella PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234      
724-803 0 Avella PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2005-09-16   
724-803 2 Avella PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2012-12-15   
724-803 3 Avella PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2012-12-15   
724-803 4 Avella PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2012-12-15   
724-803 5 Avella PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2013-03-15   
724-909 1 Finleyville (Washington) PA 7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2007-03-26   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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