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.

Pittsburgh Suburban Zone 18, PA

<< 1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
412-492 5 GLNSPAGLDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-492 6 PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-492 7 GLNSPAGLDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-492 8 GLNSPAGLDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-492 9 GLNSPAGLDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-541 A PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234      
412-541 0 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2019-07-13   
412-541 1 PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2020-04-30   
412-541 2 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2020-07-08   
412-541 3 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2020-07-08   
412-541 4 PITBPADTXYY  547E ONVOY, LLC - PA 234   2020-06-06   
412-541 5 PITBPADTXYY  547E ONVOY, LLC - PA 234   2020-06-06   
412-541 6 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2020-07-08   
412-541 7 BLWXPAAT0MD  506J TWILIO INTERNATIONAL, INC. 234   2021-01-19   
412-541 8 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-08-07   
412-541 9 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-08-07   
412-684 A GIBSPAXGDS1  8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA 234      
412-684 0 GIBSPAXGDS1  8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA 234      
412-684 1 GIBSPAXGDS1  8597 CONSOLIDATED COMMUNICATIONS ENTERPRISE SERVICES-PA 234      
412-684 2 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2016-07-22   
412-684 3 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2019-06-08   
412-684 4 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2019-06-08   
412-684 5 PITBPAOKX5X  752H BARR TELL USA, INC. - PA 234   2016-03-27   
412-684 6 PITBPADTX7X  073H TELNYX LLC 234   2017-07-06   
412-684 7 BTLRPAXBLMD  508J CENTURYLINK COMMUNICATIONS, LLC 234   2015-06-18   
412-684 8   515J IP HORIZON LLC 234   2015-03-28   
412-684 9 PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234   2003-11-17   
412-753 A PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-753 0 PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-753 1 PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-753 2 PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-753 4 PITBPAMADS4  657B CITYNET PENNSYLVANIA, LLC - PA 234   2004-10-10   
412-753 5 PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-753 6 PITBPADTXYY  547E ONVOY, LLC - PA 234   2016-03-14   
412-753 7 PITBPADTXYY  547E ONVOY, LLC - PA 234   2016-03-14   
412-753 8 PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-753 9 PITBPACTBMD  4024 CHOICE ONE COMMUNICATIONS, INC. - PA 234      
412-755 A PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-755 0 PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2013-05-05   
412-755 1 PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-755 2 PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-02-26   
412-755 3 PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-02-26   
412-755 4 PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-755 5 PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-755 6 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-08-07   
412-755 7 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2021-12-09   
412-755 8 PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2013-05-05   
412-755 9 PITDPA550MD  4161 GLOBAL CROSSING LOCAL SERVICES, INC. - PA 234      
412-876 A PITBPAWY3MD  5562 METROPCS, INC. 234      
412-876 0 PITBPADTXYY  547E ONVOY, LLC - PA 234   2023-10-09   

<< 1 2 3 >>

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.