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: 636

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-636 A Pittsburgh Zone 4 PA BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-636 0 Pittsburgh Zone 4 PA BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-636 1 Pittsburgh Zone 4 PA PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2014-09-20   
412-636 2 Pittsburgh Zone 4 PA PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2014-09-20   
412-636 3 Pittsburgh Zone 4 PA PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2009-05-12   
412-636 4 Pittsburgh Zone 4 PA PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2009-05-12   
412-636 5 Pittsburgh Zone 4 PA WASHPAWAHPT  2765 LUMOS NETWORKS OF WEST VIRGINIA INC. - WV 234   2018-12-09   
412-636 6 Pittsburgh Zone 4 PA PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2009-04-22   
412-636 7 Pittsburgh Zone 4 PA PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2009-04-22   
412-636 8 Pittsburgh Zone 4 PA PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2014-09-20   
412-636 9 Pittsburgh Zone 4 PA BRDDPABRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.