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.

Liberty Hill EACS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
512-515 A LBHLTXLHRS0  9533 SOUTHWESTERN BELL 558      
512-515 0 LBHLTXLHRS0  9533 SOUTHWESTERN BELL 558      
512-515 1 AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2006-04-09   
512-515 2 AUSTTX92SMD  7551 AUSTIN BESTLINE COMPANY 558   2014-05-21   
512-515 3 AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2016-07-29   
512-515 4 AUSTTXEEDS0  7087 ICG CHOICE COM, L.P. - TX 558   2010-12-23   
512-515 5 LBHLTXLHRS0  9533 SOUTHWESTERN BELL 558      
512-515 6 LBHLTXLHRS0  9533 SOUTHWESTERN BELL 558      
512-515 7 LBHLTXLHRS0  9533 SOUTHWESTERN BELL 558      
512-515 8 SMRCTXXAKMD  508J CENTURYLINK COMMUNICATIONS LLC 558   2014-04-10   
512-515 9 AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2014-05-02   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.