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: 483

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-483 A Pittsburgh Suburban Zone 10 PA PITBPADTX7X  073H TELNYX LLC 234      
412-483 0 Pittsburgh Suburban Zone 10 PA PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-06-07   
412-483 1 Pittsburgh Suburban Zone 10 PA PITBPADTX7X  073H TELNYX LLC 234   2017-06-04   

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

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