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: 599

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-599 A Pittsburgh Suburban Zone 19 PA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-599 1 Pittsburgh Suburban Zone 19 PA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 234      
412-599 9 Pittsburgh Suburban Zone 19 PA PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2024-05-23   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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