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: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-510 A Pittsburgh Zone 1 PA PITBPADTX9X  7341 XO COMMUNICATIONS SERVICES, INC. - PA 234      
412-510 0 Pittsburgh Zone 1 PA PITBPADTX9X  7341 XO COMMUNICATIONS SERVICES, INC. - PA 234   2017-04-23   
412-510 1 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2017-04-25   
412-510 2 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2017-04-25   
412-510 3 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2017-04-25   
412-510 4 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2017-04-25   
412-510 5 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2017-04-25   
412-510 6 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2017-04-25   
412-510 7 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2017-04-25   
412-510 8 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2018-01-10   
412-510 9 Pittsburgh Zone 1 PA PITBPAFHAMD  6392 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 234   2017-12-29   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.