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: WKBGPAWKRP1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
412-241 A Pittsburgh Zone 4 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-242 A Pittsburgh Zone 4 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-243 A Pittsburgh Zone 4 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-244 A Pittsburgh Zone 4 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-247 A Pittsburgh Zone 4 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 A Pittsburgh Zone 4 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-371 A Pittsburgh Zone 4 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-473 A Pittsburgh Zone 4 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-731 A Pittsburgh Zone 4 PA 9208 VERIZON PENNSYLVANIA, INC. 234      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.