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: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-317 A Pittsburgh Suburban Zone 22 PA PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-317 0 Pittsburgh Suburban Zone 22 PA PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-317 1 Pittsburgh Suburban Zone 22 PA PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-317 3 Pittsburgh Suburban Zone 22 PA PITBPAOKX0Y  490J DISH WIRELESS, LLC 234   2024-02-13   
412-317 4 Pittsburgh Suburban Zone 22 PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-07-05   
412-317 5 Pittsburgh Suburban Zone 22 PA PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-317 6 Pittsburgh Suburban Zone 22 PA PITBPAMADS0  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-317 7 Pittsburgh Suburban Zone 22 PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-07-05   
412-317 8 Pittsburgh Suburban Zone 22 PA   547E ONVOY, LLC - PA 234   2025-05-09   
412-317 9 Pittsburgh Suburban Zone 22 PA   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-10-24   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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