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: HSTOTXRWDS3

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
832-749 5 Houston TX 8958 XO TEXAS, INC. 560   2010-10-25   
832-749 6 Houston TX 8958 XO TEXAS, INC. 560   2010-10-25   
832-749 7 Houston TX 8958 XO TEXAS, INC. 560   2010-10-25   
832-749 8 Houston TX 8958 XO TEXAS, INC. 560   2010-10-25   
832-749 9 Houston TX 8958 XO TEXAS, INC. 560   2010-10-25   
832-770 A Houston Suburban TX 8958 XO TEXAS, INC. 560      
832-770 2 Houston Suburban TX 8958 XO TEXAS, INC. 560   2012-12-17   
832-770 3 Houston Suburban TX 8958 XO TEXAS, INC. 560   2012-12-17   
832-778 4 Houston TX 8958 XO TEXAS, INC. 560   2006-02-26   
832-778 5 Houston TX 8958 XO TEXAS, INC. 560   2006-02-26   
832-799 5 Houston TX 8958 XO TEXAS, INC. 560   2011-04-22   
832-799 6 Houston TX 8958 XO TEXAS, INC. 560   2011-04-22   
832-804 A Houston TX 8958 XO TEXAS, INC. 560      
832-804 1 Houston TX 8958 XO TEXAS, INC. 560   2013-01-05   
832-804 2 Houston TX 8958 XO TEXAS, INC. 560   2013-01-05   
832-804 3 Houston TX 8958 XO TEXAS, INC. 560   2013-01-05   
832-804 4 Houston TX 8958 XO TEXAS, INC. 560   2013-01-05   
832-804 5 Houston TX 8958 XO TEXAS, INC. 560   2013-01-05   

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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