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: 843

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-843 A Georgetown TX AUSUTXZMAMD  6664 SPRINT SPECTRUM L.P. 558      
512-843 0 Georgetown TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2008-03-13   
512-843 1 Georgetown TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-04-28   
512-843 2 Georgetown TX AUSYTXFC1MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2010-08-12   
512-843 3 Georgetown TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-04-28   
512-843 4 Georgetown TX AUSXTXZRPS1  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 558   2010-11-06   
512-843 5 Georgetown TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-04-28   
512-843 6 Georgetown TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2011-04-28   
512-843 7 Georgetown TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2010-10-31   
512-843 8 Georgetown TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2011-09-25   
512-843 9 Georgetown TX AUSUTXZMAMD  6664 SPRINT SPECTRUM L.P. 558      

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.