Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 412 [Rate centres in NPA 412] [Dial plan for NPA 412]

NXX: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-256 A Pittsburgh Zone 4 PA WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 0 Pittsburgh Zone 4 PA WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 1 Pittsburgh Zone 4 PA WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 2 Pittsburgh Zone 4 PA WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 3 Pittsburgh Zone 4 PA WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 4 Pittsburgh Zone 4 PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-06-07   
412-256 5 Pittsburgh Zone 4 PA WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 6 Pittsburgh Zone 4 PA WKBGPAWKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-256 7 Pittsburgh Zone 4 PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2004-04-29   
412-256 8 Pittsburgh Zone 4 PA PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2008-12-19   
412-256 9 Pittsburgh Zone 4 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234   2002-09-15   

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

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