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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-420 4 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2013-07-15   
512-420 5 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2013-07-15   
512-521 5 Bastrop TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2013-12-16   
512-605 6 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2012-04-19   
512-614 3 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2011-03-03   
512-614 5 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2011-01-20   
512-655 2 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2012-07-11   
512-676 3 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2014-09-09   
512-687 A Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558      
512-687 0 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558      
512-687 1 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558      
512-687 2 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558      
512-687 6 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558      
512-687 7 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558      
512-687 9 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558      
512-730 3 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2011-10-13   
512-730 4 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2011-08-15   
512-792 5 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2014-10-20   
512-808 A Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558      
512-808 1 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2012-04-23   
512-808 2 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2012-04-23   
512-808 4 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2012-04-12   
512-808 5 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2012-04-12   
512-813 7 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2013-05-01   
512-817 5 Leander TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2015-07-17   
512-861 7 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2010-08-27   
512-872 7 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2013-10-21   
512-954 9 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2013-03-09   
512-975 7 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2015-09-22   
512-982 2 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2013-12-13   
512-982 3 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2013-12-13   
512-994 3 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2011-04-08   
737-209 4 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2016-06-11   
737-209 5 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2016-06-11   
737-226 5 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2015-08-23   
737-236 5 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2018-09-30   
737-239 8 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2018-10-08   
737-717 6 Austin TX 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX 558   2016-04-08   

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

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