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: AUSTTXGR25Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-229 4 Elgin TX 516C AT&T CORP. 558   2007-02-15   
512-305 A Austin TX 516C AT&T CORP. 558      
512-305 3 Austin TX 516C AT&T CORP. 558      
512-337 A Leander TX 516C AT&T CORP. 558      
512-337 5 Leander TX 516C AT&T CORP. 558   2010-06-15   
512-337 7 Leander TX 516C AT&T CORP. 558   2006-06-30   
512-352 0 Taylor TX 516C AT&T CORP. 558   2011-07-01   
512-362 8 Austin TX 516C AT&T CORP. 558   2011-09-14   
512-368 5 Austin TX 516C AT&T CORP. 558   2010-05-17   
512-412 6 Bastrop TX 516C AT&T CORP. 558   2009-10-28   
512-518 3 Austin TX 516C AT&T CORP. 558   2010-09-22   
512-520 4 Austin TX 516C AT&T CORP. 558   2010-12-30   
512-520 5 Austin TX 516C AT&T CORP. 558   2010-12-30   
512-543 5 Rockdale TX 516C AT&T CORP. 558   2011-06-07   
512-551 2 Austin TX 516C AT&T CORP. 558   2009-11-13   
512-551 3 Austin TX 516C AT&T CORP. 558   2009-04-24   
512-551 8 Austin TX 516C AT&T CORP. 558   2009-07-03   
512-551 9 Austin TX 516C AT&T CORP. 558   2009-07-03   
512-564 5 Lampasas TX 516C AT&T CORP. 558   2011-11-09   
512-575 A Smithville TX 516C AT&T CORP. 558      
512-575 7 Smithville TX 516C AT&T CORP. 558   2011-10-26   
512-645 0 Austin TX 516C AT&T CORP. 558   2014-10-28   
512-647 3 Austin TX 516C AT&T CORP. 558   2016-09-12   
512-647 5 Austin TX 516C AT&T CORP. 558   2016-09-12   
512-666 5 Austin TX 516C AT&T CORP. 558   2011-06-16   
512-668 3 Lockhart TX 516C AT&T CORP. 558   2007-02-15   
512-712 4 Austin TX 516C AT&T CORP. 558   2008-10-03   
512-712 5 Austin TX 516C AT&T CORP. 558   2008-12-19   
512-714 A Adamsville TX 516C AT&T CORP. 558      
512-714 7 Adamsville TX 516C AT&T CORP. 558   2010-01-17   
512-761 3 Austin TX 516C AT&T CORP. 558   2010-01-28   
512-761 4 Austin TX 516C AT&T CORP. 558   2010-01-28   
512-770 6 Austin TX 516C AT&T CORP. 558   2015-01-27   
512-778 4 Liberty Hill TX 516C AT&T CORP. 558   2011-06-07   
512-792 9 Austin TX 516C AT&T CORP. 558   2014-10-17   
512-838 6 Austin TX 516C AT&T CORP. 558   2014-07-28   
512-840 0 Austin TX 516C AT&T CORP. 558   2014-10-13   
512-840 1 Austin TX 516C AT&T CORP. 558   2014-10-13   
512-861 5 Austin TX 516C AT&T CORP. 558   2010-08-10   
512-953 5 Austin TX 516C AT&T CORP. 558   2015-04-14   
737-203 5 Austin TX 516C AT&T CORP. 558   2015-11-08   
737-209 8 Austin TX 516C AT&T CORP. 558   2016-06-28   
737-209 9 Austin TX 516C AT&T CORP. 558   2016-06-28   
737-226 0 Austin TX 516C AT&T CORP. 558   2015-08-16   
737-703 5 Austin TX 516C AT&T CORP. 558   2014-04-03   
737-757 2 Leander TX 516C AT&T CORP. 558   2016-09-26   
737-777 3 Leander TX 516C AT&T CORP. 558   2014-06-05   

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

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