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: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-677 A Georgetown TX   6529 T-MOBILE USA, INC. 558      
512-677 0 Georgetown TX   6529 T-MOBILE USA, INC. 558      
512-677 1 Georgetown TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-677 2 Georgetown TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-677 3 Georgetown TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-02-13   
512-677 4 Georgetown TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-04-28   
512-677 5 Georgetown TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-04-28   
512-677 6 Georgetown TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-02-14   
512-677 7 Georgetown TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-02-14   
512-677 8 Georgetown TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-677 9 Georgetown TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-04-28   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.