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: PITBPANSDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
412-231 A Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-231 0 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-231 1 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-231 2 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-231 3 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-231 4 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-231 5 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-231 6 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-231 7 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-231 8 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-237 A Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-320 A Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-320 2 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-320 4 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-320 7 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-320 8 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-321 A Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-322 A Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-323 A Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-330 A Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-330 2 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-330 3 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-330 6 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-359 A Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-359 1 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-359 2 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-359 6 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-359 7 Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      
412-442 A Pittsburgh Zone 1 PA 9208 VERIZON PENNSYLVANIA, INC. 234      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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