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: 755

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-755 A Pittsburgh Suburban Zone 18 PA   547E ONVOY, LLC - PA 234      
412-755 0 Pittsburgh Suburban Zone 18 PA PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2013-05-05   
412-755 1 Pittsburgh Suburban Zone 18 PA   547E ONVOY, LLC - PA 234   2025-05-09   
412-755 2 Pittsburgh Suburban Zone 18 PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-02-26   
412-755 3 Pittsburgh Suburban Zone 18 PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-02-26   
412-755 4 Pittsburgh Suburban Zone 18 PA   547E ONVOY, LLC - PA 234   2026-05-30   
412-755 6 Pittsburgh Suburban Zone 18 PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-08-07   
412-755 7 Pittsburgh Suburban Zone 18 PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-12-09   
412-755 8 Pittsburgh Suburban Zone 18 PA PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2013-05-05   
412-755 9 Pittsburgh Suburban Zone 18 PA   547E ONVOY, LLC - PA 234   2026-03-14   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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