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: 512 [Rate centres in NPA 512] [Dial plan for NPA 512]

NXX: 365

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-365 A Taylor EMS TX TAYLTXTADS0  9533 SOUTHWESTERN BELL 558      
512-365 0 Taylor EMS TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2003-02-16   
512-365 1 Taylor EMS TX TAYLTXTADS0  9533 SOUTHWESTERN BELL 558      
512-365 2 Taylor EMS TX TAYLTXTADS0  9533 SOUTHWESTERN BELL 558      
512-365 3 Taylor EMS TX TAYLTXTADS0  9533 SOUTHWESTERN BELL 558      
512-365 4 Taylor EMS TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2006-03-28   
512-365 5 Taylor EMS TX TAYLTXTADS0  9533 SOUTHWESTERN BELL 558      
512-365 6 Taylor EMS TX TAYLTXTADS0  9533 SOUTHWESTERN BELL 558      
512-365 7 Taylor EMS TX TAYLTXTADS0  9533 SOUTHWESTERN BELL 558      
512-365 8 Taylor EMS TX TAYLTXTADS0  9533 SOUTHWESTERN BELL 558      
512-365 9 Taylor EMS TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2014-05-25   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.