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: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-356 A Pittsburgh Suburban Zone 16 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-356 0 Pittsburgh Suburban Zone 16 PA   3806 CORE COMMUNICATIONS, INC. - PA 234      
412-356 1 Pittsburgh Suburban Zone 16 PA PITBPADTXEY  2514 US LEC OF PENNSYLVANIA, INC. 234      
412-356 2 Pittsburgh Suburban Zone 16 PA PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-356 3 Pittsburgh Suburban Zone 16 PA PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234      
412-356 5 Pittsburgh Suburban Zone 16 PA PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234      
412-356 7 Pittsburgh Suburban Zone 16 PA BTLRPAXBLMD  508J CENTURYLINK COMMUNICATIONS, LLC 234      
412-356 8 Pittsburgh Suburban Zone 16 PA PITBPADTX7X  073H TELNYX LLC 234      
412-356 9 Pittsburgh Suburban Zone 16 PA PITBPADTXYY  547E ONVOY, LLC - PA 234      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.