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: 376

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-376 A Lockhart EMS TX LCKHTXLKDS1  9533 SOUTHWESTERN BELL 558      
512-376 0 Lockhart EMS TX LCKHTXLKDS1  9533 SOUTHWESTERN BELL 558      
512-376 1 Lockhart EMS TX LCKHTXLKDS1  9533 SOUTHWESTERN BELL 558      
512-376 2 Lockhart EMS TX LCKHTXLKDS1  9533 SOUTHWESTERN BELL 558      
512-376 3 Lockhart EMS TX LCKHTXLKDS1  9533 SOUTHWESTERN BELL 558      
512-376 4 Lockhart EMS TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2019-07-25   
512-376 5 Lockhart EMS TX LCKHTXLKDS1  9533 SOUTHWESTERN BELL 558      
512-376 6 Lockhart EMS TX LCKHTXLKDS1  9533 SOUTHWESTERN BELL 558      
512-376 7 Lockhart EMS TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2018-04-27   
512-376 8 Lockhart EMS TX LCKHTXLKDS1  9533 SOUTHWESTERN BELL 558      
512-376 9 Lockhart EMS TX LCKHTXLKDS1  9533 SOUTHWESTERN BELL 558      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.