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: 655

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-655 A Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558      
512-655 0 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558   2012-05-11   
512-655 1 Austin TX AUSTTXHODS0  9533 SOUTHWESTERN BELL 558   2012-05-11   
512-655 2 Austin TX AUSWTXOO1MD  7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2012-07-11   
512-655 3 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2012-08-16   
512-655 4 Austin TX AUSTTXGRDS4  7421 AT&T - LOCAL 558   2012-07-16   
512-655 5 Austin TX AUSTTXGRDS4  7421 AT&T - LOCAL 558   2012-07-16   
512-655 6 Austin TX AUSTTXGRDS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2012-07-16   
512-655 7 Austin TX AUSTTXGRDS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2012-07-16   
512-655 8 Austin TX AUSTTXGRDS7  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2012-07-16   
512-655 9 Austin TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2012-08-16   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.