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: 533

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-533 A Clairton PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-533 0 Clairton PA   3806 CORE COMMUNICATIONS, INC. - PA 234      
412-533 1 Clairton PA PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-533 2 Clairton PA PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234      
412-533 3 Clairton PA PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234      
412-533 4 Clairton PA PITBPADTXYY  547E ONVOY, LLC - PA 234      
412-533 5 Clairton PA PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-533 6 Clairton PA BTLRPAXBLMD  508J CENTURYLINK COMMUNICATIONS, LLC 234      
412-533 7 Clairton PA   145J TERRA NOVA TELECOM INC. 234      
412-533 8 Clairton PA PITBPADTXYY  547E ONVOY, LLC - PA 234      
412-533 9 Clairton PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.