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: 457

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-457 A Pittsburgh Suburban Zone 22 PA GIBSPAXGDS1  8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA 234      
412-457 0 Pittsburgh Suburban Zone 22 PA GIBSPAXGDS1  8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA 234      
412-457 1 Pittsburgh Suburban Zone 22 PA GIBSPAXGDS1  8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA 234      
412-457 2 Pittsburgh Suburban Zone 22 PA GIBSPAXGDS1  8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA 234   2014-09-22   
412-457 3 Pittsburgh Suburban Zone 22 PA BLWXPAAT0MD  506J TWILIO INTERNATIONAL, INC. 234   2021-01-19   
412-457 4 Pittsburgh Suburban Zone 22 PA PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-05-20   
412-457 5 Pittsburgh Suburban Zone 22 PA PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2014-12-21   
412-457 6 Pittsburgh Suburban Zone 22 PA PITBPAWY2MD  6701 AERIAL COMMUNICATIONS, INC. 234   2014-12-21   
412-457 7 Pittsburgh Suburban Zone 22 PA BTLRPAXBLMD  508J CENTURYLINK COMMUNICATIONS, LLC 234   2015-06-20   
412-457 8 Pittsburgh Suburban Zone 22 PA PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2013-05-05   
412-457 9 Pittsburgh Suburban Zone 22 PA PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2013-05-05   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.