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: 336

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-336 A Pittsburgh Zone 4 PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-336 2 Pittsburgh Zone 4 PA PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-336 3 Pittsburgh Zone 4 PA PITBPADTXYY  547E ONVOY, LLC - PA 234      
412-336 4 Pittsburgh Zone 4 PA PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-336 6 Pittsburgh Zone 4 PA PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-336 7 Pittsburgh Zone 4 PA PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234      
412-336 8 Pittsburgh Zone 4 PA PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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