Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 412 [Rate centres in NPA 412] [Dial plan for NPA 412]

NXX: 904

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-904 A Pittsburgh Zone 1 PA PITBPADGDS7  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-904 0 Pittsburgh Zone 1 PA PITBPADGDS7  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      
412-904 1 Pittsburgh Zone 1 PA PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2004-02-02   
412-904 2 Pittsburgh Zone 1 PA PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2004-05-15   
412-904 3 Pittsburgh Zone 1 PA PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2006-07-04   
412-904 4 Pittsburgh Zone 1 PA PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2006-07-04   
412-904 5 Pittsburgh Zone 1 PA   829J PAETEC ITEL, LLC 234   2006-01-16   
412-904 6 Pittsburgh Zone 1 PA   829J PAETEC ITEL, LLC 234   2006-01-16   
412-904 7 Pittsburgh Zone 1 PA PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2008-04-11   
412-904 8 Pittsburgh Zone 1 PA PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2010-10-04   
412-904 9 Pittsburgh Zone 1 PA PITBPADGDS7  7315 TELEPORT COMMUNICATIONS AMERICA, LLC - PA 234      

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

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