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 10, PA

<< 1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
412-678 A MCPTPAMKDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-703 A PITBPAMAGMD  732J NUSO, LLC 234      
412-703 0 PITBPADTXYY  624H ONVOY SPECTRUM, LLC 234   2024-01-14   
412-703 1 PITBPAMAGMD  732J NUSO, LLC 234   2023-03-31   
412-703 2 PITBPADTXYY  547E ONVOY, LLC - PA 234   2023-04-01   
412-703 3 PITBPADTXYY  547E ONVOY, LLC - PA 234   2023-06-23   
412-703 4 PITBPAMAGMD  732J NUSO, LLC 234   2023-12-10   
412-703 5 PITBPAMAGMD  732J NUSO, LLC 234   2023-12-10   
412-703 6 PITBPADTXYY  624H ONVOY SPECTRUM, LLC 234   2024-01-14   
412-703 7 PITBPADTXYY  624H ONVOY SPECTRUM, LLC 234   2024-01-14   
412-703 8 PITBPADTXYY  547E ONVOY, LLC - PA 234   2023-10-09   
412-703 9 PITBPADTXYY  547E ONVOY, LLC - PA 234   2023-10-09   
412-751 A ELZTPAETDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-754 A ELZTPAETDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-754 0 ELZTPAETDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-754 1 ELZTPAETDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-754 2 ELZTPAETDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-754 3 PITBPADTXYY  547E ONVOY, LLC - PA 234   2019-09-21   
412-754 4 PITBPADTXYY  547E ONVOY, LLC - PA 234   2019-09-21   
412-754 5 PITBPADTXYY  547E ONVOY, LLC - PA 234   2019-09-21   
412-754 6   3806 CORE COMMUNICATIONS, INC. - PA 234   2019-03-27   
412-754 7 PITBPADTXYY  547E ONVOY, LLC - PA 234   2020-08-17   
412-754 8   515J IP HORIZON LLC 234   2020-05-23   
412-754 9   515J IP HORIZON LLC 234   2020-05-23   
412-763 A PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234      
412-763 0 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2020-12-11   
412-763 1 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2020-12-11   
412-763 2 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2020-12-11   
412-763 3 PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-02-19   
412-763 4 PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-02-19   
412-763 5 PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-02-19   
412-763 6 PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-02-19   
412-763 7 BLWXPAAT0MD  506J TWILIO INTERNATIONAL, INC. 234   2021-01-19   
412-763 8 PITBPAOKXLX  939H COMMIO, LLC 234   2021-09-03   
412-763 9 PITBPAOKXLX  939H COMMIO, LLC 234   2021-09-03   
412-800 A PITBPADTXYY  547E ONVOY, LLC - PA 234      
412-800 0 PITBPADTXYY  547E ONVOY, LLC - PA 234   2013-05-23   
412-800 7 BTLRPAXBLMD  508J CENTURYLINK COMMUNICATIONS, LLC 234   2015-06-20   
412-800 8 PITBPAOKX5X  752H BARR TELL USA, INC. - PA 234   2016-03-27   
412-872 A PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-872 0 PITBPAWY3MD  5562 METROPCS, INC. 234   2016-12-17   
412-872 1 PITBPAWY3MD  5562 METROPCS, INC. 234   2016-12-17   
412-872 2 PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234      
412-872 3   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-10-24   
412-872 4 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2006-06-12   
412-872 5 PITBPAIW0MD  318J COMCAST IP PHONE, LLC 234   2006-06-12   
412-872 6   3806 CORE COMMUNICATIONS, INC. - PA 234   2018-10-24   
412-872 7 PITBPAWY3MD  5562 METROPCS, INC. 234   2013-11-15   
412-872 8 PITBPAWY3MD  5562 METROPCS, INC. 234   2013-11-15   
412-872 9 PITBPAFHDS0  7978 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 234   2003-11-17   

<< 1 2 3 4 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.