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.

NPA: 412 [Rate centres in NPA 412] [Dial plan for NPA 412]

NXX: 345

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-345 A Pittsburgh Zone 8 PA PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-345 0 Pittsburgh Zone 8 PA PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-345 1 Pittsburgh Zone 8 PA PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2011-12-31   
412-345 2 Pittsburgh Zone 8 PA PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-345 3 Pittsburgh Zone 8 PA PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2012-09-14   
412-345 4 Pittsburgh Zone 8 PA PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-345 5 Pittsburgh Zone 8 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234   2002-09-15   
412-345 6 Pittsburgh Zone 8 PA PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2010-10-05   
412-345 7 Pittsburgh Zone 8 PA PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-345 8 Pittsburgh Zone 8 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234   2009-08-05   
412-345 9 Pittsburgh Zone 8 PA PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.