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: HSTOTXRWDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
832-200 A Houston TX 8958 XO TEXAS, INC. 560      
832-201 A Houston TX 8958 XO TEXAS, INC. 560      
832-202 A Houston TX 8958 XO TEXAS, INC. 560      
832-203 A Houston TX 8958 XO TEXAS, INC. 560      
832-204 A Houston TX 8958 XO TEXAS, INC. 560      
832-209 A Houston TX 8958 XO TEXAS, INC. 560      
832-218 A Houston TX 8958 XO TEXAS, INC. 560      
832-383 A Houston TX 8958 XO TEXAS, INC. 560      
832-518 A Houston TX 8958 XO TEXAS, INC. 560      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.