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.

Switch: AUSTTX92SMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-227 8 Lockhart EMS TX 7551 AUSTIN BESTLINE COMPANY 558   2014-05-16   
512-269 4 Taylor TX 7551 AUSTIN BESTLINE COMPANY 558   2014-05-21   
512-281 8 Elgin EMS TX 7551 AUSTIN BESTLINE COMPANY 558   2014-05-21   
512-359 1 Lockhart TX 7551 AUSTIN BESTLINE COMPANY 558   2014-05-16   
512-360 6 Smithville EMS TX 7551 AUSTIN BESTLINE COMPANY 558   2008-05-18   
512-492 3 Austin TX 7551 AUSTIN BESTLINE COMPANY 558   2006-02-17   
512-515 2 Liberty Hill EACS TX 7551 AUSTIN BESTLINE COMPANY 558   2014-05-21   
512-637 A Austin TX 7551 AUSTIN BESTLINE COMPANY 558      
512-772 0 Bastrop TX 7551 AUSTIN BESTLINE COMPANY 558   2004-08-02   
512-778 3 Liberty Hill TX 7551 AUSTIN BESTLINE COMPANY 558   2014-05-21   
512-798 6 Smithville TX 7551 AUSTIN BESTLINE COMPANY 558   2008-05-29   
737-224 A Austin TX 7551 AUSTIN BESTLINE COMPANY 558      
737-224 6 Austin TX 7551 AUSTIN BESTLINE COMPANY 558   2017-12-18   
737-224 7 Austin TX 7551 AUSTIN BESTLINE COMPANY 558   2017-12-18   
737-224 8 Austin TX 7551 AUSTIN BESTLINE COMPANY 558   2017-12-18   
737-346 A Austin TX 7551 AUSTIN BESTLINE COMPANY 558      
737-666 1 Elgin TX 7551 AUSTIN BESTLINE COMPANY 558   2014-05-21   
737-708 1 Austin TX 7551 AUSTIN BESTLINE COMPANY 558   2015-12-29   
737-888 2 Taylor TX 7551 AUSTIN BESTLINE COMPANY 558   2014-05-21   

Last updated: Fri, 03 Nov 2023 21:02:38 UTC

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