Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 412 [Rate centres in NPA 412] [Dial plan for NPA 412]

NXX: 379

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-379 A Pittsburgh Zone 6 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-379 0 Pittsburgh Zone 6 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-379 1 Pittsburgh Zone 6 PA   3806 CORE COMMUNICATIONS, INC. - PA 234      
412-379 3 Pittsburgh Zone 6 PA PITEPA99DS0  283E YMAX COMMUNICATIONS CORP. - PA 234      
412-379 4 Pittsburgh Zone 6 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-379 5 Pittsburgh Zone 6 PA PITBPADTXYY  547E ONVOY, LLC - PA 234      
412-379 6 Pittsburgh Zone 6 PA PITBPADTXYY  547E ONVOY, LLC - PA 234      
412-379 8 Pittsburgh Zone 6 PA PITBPADTX7X  073H TELNYX LLC 234      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.