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: 397

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-397 A Pittsburgh Suburban Zone 15 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-397 0 Pittsburgh Suburban Zone 15 PA WASHPAWAHPT  3609 FIBERNET TELECOMMUNICATIONS OF PENNSYLVANIA LLC PA 234      
412-397 1 Pittsburgh Suburban Zone 15 PA   547E ONVOY, LLC - PA 234      
412-397 2 Pittsburgh Suburban Zone 15 PA PITBPADTXEY  2514 US LEC OF PENNSYLVANIA, INC. 234      
412-397 3 Pittsburgh Suburban Zone 15 PA PITBPADTXEY  2514 US LEC OF PENNSYLVANIA, INC. 234      
412-397 4 Pittsburgh Suburban Zone 15 PA PITBPADTXEY  2514 US LEC OF PENNSYLVANIA, INC. 234      
412-397 5 Pittsburgh Suburban Zone 15 PA PITBPADTXEY  2514 US LEC OF PENNSYLVANIA, INC. 234      
412-397 6 Pittsburgh Suburban Zone 15 PA PITBPADTXEY  2514 US LEC OF PENNSYLVANIA, INC. 234      
412-397 7 Pittsburgh Suburban Zone 15 PA PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234      
412-397 8 Pittsburgh Suburban Zone 15 PA PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234      
412-397 9 Pittsburgh Suburban Zone 15 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.