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: 612

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-612 A Austin TX   616J LEAP TELECOM, LLC 558   2024-12-28   
512-612 0 Austin TX   616J LEAP TELECOM, LLC 558      
512-612 1 Austin TX   903C ONVOY, LLC - TX 558      
512-612 2 Austin TX   903C ONVOY, LLC - TX 558      
512-612 3 Austin TX   903C ONVOY, LLC - TX 558      
512-612 4 Austin TX   903C ONVOY, LLC - TX 558      
512-612 5 Austin TX   903C ONVOY, LLC - TX 558      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.