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.

OCN: 7982 CAPROCK TELECOMMUNICATIONS CORP. - TX

<< 1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
469-513 5 Dallas TX   552   2013-06-14   
469-554 7 Dallas TX   552   2010-06-15   
469-577 2 Dallas TX   552   2017-09-27   
469-577 3 Dallas TX   552   2017-09-27   
469-620 4 Dallas TX   552   2014-11-26   
469-620 5 Dallas TX   552   2014-11-26   
469-709 A Dallas TX   552      
469-709 2 Dallas TX   552   2015-02-24   
469-709 4 Dallas TX   552   2015-02-24   
469-709 5 Dallas TX   552   2015-02-20   
469-709 6 Dallas TX   552   2015-02-20   
469-730 5 Dallas TX   552   2011-10-12   
469-801 A Dallas TX   552      
469-801 4 Dallas TX   552   2013-08-05   
469-801 5 Dallas TX   552   2013-08-05   
469-802 A Dallas TX   552      
469-802 4 Dallas TX   552   2013-08-05   
469-802 5 Dallas TX   552   2013-08-05   
469-862 5 Dallas TX   552   2016-10-11   
469-872 4 Dallas TX   552   2015-10-12   
469-872 5 Dallas TX   552   2015-10-12   
469-872 7 Dallas TX   552   2015-10-11   
469-872 8 Dallas TX   552   2015-10-11   
512-420 4 Austin TX   558   2013-07-15   
512-420 5 Austin TX   558   2013-07-15   
512-521 5 Bastrop TX   558   2013-12-16   
512-605 6 Austin TX   558   2012-04-19   
512-614 3 Austin TX   558   2011-03-03   
512-614 5 Austin TX   558   2011-01-20   
512-655 2 Austin TX   558   2012-07-11   
512-676 3 Austin TX   558   2014-09-09   
512-687 A Austin TX AUSWTXOODS0  558      
512-687 0 Austin TX   558      
512-687 1 Austin TX   558      
512-687 2 Austin TX   558      
512-687 6 Austin TX   558      
512-687 7 Austin TX   558      
512-687 9 Austin TX   558      
512-730 3 Austin TX   558   2011-10-13   
512-730 4 Austin TX   558   2011-08-15   
512-792 5 Austin TX   558   2014-10-20   
512-808 A Austin TX AUSWTXOODS0  558   2012-04-12   
512-808 1 Austin TX   558   2012-04-23   
512-808 2 Austin TX   558   2012-04-23   
512-808 4 Austin TX   558   2012-04-12   
512-808 5 Austin TX   558   2012-04-12   
512-813 7 Austin TX   558   2013-05-01   
512-817 5 Leander TX   558   2015-07-17   
512-861 7 Austin TX   558   2010-08-27   
512-872 7 Austin TX   558   2013-10-21   

<< 1 2 3 4 5 6 7 8 >>

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.