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: 506

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-506 A Austin TX AUSTTXJODS0  9533 SOUTHWESTERN BELL 558      
512-506 0 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558      
512-506 1 Austin TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558      
512-506 2 Austin TX AUSTTXJODS0  9533 SOUTHWESTERN BELL 558      
512-506 3 Austin TX AUSTTXJODS0  9533 SOUTHWESTERN BELL 558      
512-506 4 Austin TX AUSTTXJODS0  9533 SOUTHWESTERN BELL 558      
512-506 5 Austin TX AUSTTXJODS0  9533 SOUTHWESTERN BELL 558      
512-506 6 Austin TX AUSTTXJODS0  9533 SOUTHWESTERN BELL 558      
512-506 7 Austin TX AUSTTXJODS0  9533 SOUTHWESTERN BELL 558      
512-506 8 Austin TX AUSTTXJODS0  9533 SOUTHWESTERN BELL 558      
512-506 9 Austin TX AUSTTXJODS0  9533 SOUTHWESTERN BELL 558      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.