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 Zone 1, PA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
412-546 9 PITBPADTX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2022-10-02   
412-550 A PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234      
412-550 0 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2018-10-20   
412-550 1 PITBPAOKCMD  551G NUSO, LLC 234   2018-11-07   
412-550 2 PITBPAOKCMD  551G NUSO, LLC 234   2018-11-07   
412-550 3   547E ONVOY, LLC - PA 234   2025-03-02   
412-550 4 PITBPADTXYY  547E ONVOY, LLC - PA 234   2018-09-10   
412-550 5 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2018-07-30   
412-550 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2025-05-04   
412-550 7 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-03-09   
412-550 8 PITBPAOKCMD  551G NUSO, LLC 234   2018-11-07   
412-550 9 PITBPAOKCMD  551G NUSO, LLC 234   2018-11-07   
412-551 A PITBPADTX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234      
412-552 A PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-552 0 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2008-09-04   
412-552 1 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-03-04   
412-552 2 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-552 3 PITBPADTX2Z  002F BANDWIDTH.COM CLEC, LLC - PA 234   2012-07-05   
412-552 4 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2012-07-12   
412-552 5 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-552 6 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-552 7 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2018-11-29   
412-552 8 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2008-09-04   
412-552 9 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2008-09-04   
412-553 A PITBPADTDS2  9208 VERIZON PENNSYLVANIA, INC. 234      
412-553 0   3806 CORE COMMUNICATIONS, INC. - PA 234      
412-553 1 PITBPADTDS2  9208 VERIZON PENNSYLVANIA, INC. 234      
412-553 2 PITBPADTDS2  9208 VERIZON PENNSYLVANIA, INC. 234      
412-553 3 PITBPADTDS2  9208 VERIZON PENNSYLVANIA, INC. 234      
412-553 4 PITBPADTDS2  9208 VERIZON PENNSYLVANIA, INC. 234      
412-553 5 PITBPADTDS2  9208 VERIZON PENNSYLVANIA, INC. 234      
412-553 6 PITBPADTDS2  9208 VERIZON PENNSYLVANIA, INC. 234      
412-553 7 PITBPADTDS2  9208 VERIZON PENNSYLVANIA, INC. 234      
412-553 8 PITBPADTDS2  9208 VERIZON PENNSYLVANIA, INC. 234      
412-553 9 PITBPADTX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2010-11-09   
412-556 A PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-02-11   
412-556 0 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-02-11   
412-556 1 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-02-11   
412-556 2 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-03-15   
412-556 3 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2024-02-12   
412-556 4 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2024-02-12   
412-556 5 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2024-02-12   
412-556 6 PITBPADTXFX  624H ONVOY SPECTRUM, LLC 234   2024-02-12   
412-556 7 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2024-04-20   
412-556 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234   2025-03-07   
412-556 9 PITBPADTXYY  547E ONVOY, LLC - PA 234   2024-04-12   
412-559 A PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234      
412-560 A PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-560 0 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-560 1 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-560 2 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-560 3 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-560 4 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-560 5 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-560 6 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-560 7 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-560 8 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-560 9 PITBPADTXYY  547E ONVOY, LLC - PA 234   2021-11-18   
412-562 A PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-565 A PITBPADTDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-565 0 PITBPADTDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-565 1 PITBPADTDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-565 2 PITBPADTDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-565 3 PITBPADTDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-565 4 PITBPADTDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-565 5 PITBPADTDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-565 6 PITBPADTDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-565 7 PITBPADTDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-565 8 PITBPADTDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-565 9 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-10-14   
412-566 A PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-566 0 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-566 1 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-566 2 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-566 3 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2017-07-22   
412-566 4   829J PAETEC ITEL, LLC 234   2008-12-18   
412-566 5 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-566 6 PITBPADTDS1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-566 7 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2017-07-22   
412-566 8 PITBPADTXYY  547E ONVOY, LLC - PA 234   2016-02-22   
412-566 9 PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2016-03-04   
412-567 A PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-567 0 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-10-24   
412-567 1 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-03-17   
412-567 2 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-03-17   
412-567 3 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-10-24   
412-567 4 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234      
412-567 5 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-10-24   
412-567 6 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2005-10-24   
412-567 7 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2004-09-11   
412-567 8 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2007-07-26   
412-567 9 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2007-07-26   
412-570 A FTHLPA020MD  0051 SHELCOMM 234   2024-02-09   
412-574 A PITBPAOKRP1  9208 VERIZON PENNSYLVANIA, INC. 234      
412-575 A PITBPADTDS0  9208 VERIZON PENNSYLVANIA, INC. 234      
412-576 A PITBPADTX2X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 234      
412-577 A PITBPADTDS2  9208 VERIZON PENNSYLVANIA, INC. 234      
412-577 0 PITBPADTDS2  9208 VERIZON PENNSYLVANIA, INC. 234      
412-577 1 PITBPADTDS2  9208 VERIZON PENNSYLVANIA, INC. 234      
412-577 2 PITBPADTDS2  9208 VERIZON PENNSYLVANIA, INC. 234      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 >>

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.