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: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-637 A Pittsburgh Suburban Zone 15 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-637 0 Pittsburgh Suburban Zone 15 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-637 1 Pittsburgh Suburban Zone 15 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-637 2 Pittsburgh Suburban Zone 15 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-637 3 Pittsburgh Suburban Zone 15 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-637 4 Pittsburgh Suburban Zone 15 PA PITBPAOKXUX  145J TERRA NOVA TELECOM INC. 234   2023-08-10   
412-637 5 Pittsburgh Suburban Zone 15 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-637 6 Pittsburgh Suburban Zone 15 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-637 7 Pittsburgh Suburban Zone 15 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-637 8 Pittsburgh Suburban Zone 15 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-637 9 Pittsburgh Suburban Zone 15 PA   967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2024-03-30   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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