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.
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Switch: SGLDTXAQ0MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
713-708 A Houston TX 6630 SPOK, INC. 560      
713-709 A Houston TX 6630 SPOK, INC. 560      
713-710 A Houston TX 6630 SPOK, INC. 560      
713-712 A Houston TX 6630 SPOK, INC. 560      
713-716 A Houston TX 6630 SPOK, INC. 560      
713-717 A Houston TX 6630 SPOK, INC. 560      
713-719 A Houston TX 6630 SPOK, INC. 560      
713-720 A Houston TX 6630 SPOK, INC. 560      
713-736 A Houston TX 6630 SPOK, INC. 560      
713-760 A Houston TX 6630 SPOK, INC. 560      
713-761 A Houston TX 6630 SPOK, INC. 560      
713-762 A Houston TX 6630 SPOK, INC. 560      
713-763 A Houston TX 6630 SPOK, INC. 560      
713-764 A Houston TX 6630 SPOK, INC. 560      
713-765 A Houston TX 6630 SPOK, INC. 560      
713-768 A Houston TX 6630 SPOK, INC. 560      
713-786 A Houston TX 6630 SPOK, INC. 560      
713-801 A Houston TX 6630 SPOK, INC. 560      
713-809 A Houston TX 6630 SPOK, INC. 560      
713-813 A Houston TX 6630 SPOK, INC. 560      
713-833 A Houston TX 6630 SPOK, INC. 560      
713-841 A Houston TX 6630 SPOK, INC. 560      
713-846 A Houston TX 6630 SPOK, INC. 560      
713-883 A Houston TX 6630 SPOK, INC. 560      
713-891 A Houston TX 6630 SPOK, INC. 560      
713-901 A Houston TX 6630 SPOK, INC. 560      
713-905 A Houston TX 6630 SPOK, INC. 560      
713-915 A Houston TX 6630 SPOK, INC. 560      
713-916 A Houston TX 6630 SPOK, INC. 560      
713-971 A Houston TX 6630 SPOK, INC. 560      
713-990 A Houston TX 6630 SPOK, INC. 560      
832-635 A Cleveland TX 6630 SPOK, INC. 560      
832-697 A Tomball TX 6630 SPOK, INC. 560      
936-732 A Huntsville TX 6630 SPOK, INC. 560      
979-424 A Clute-Lake Jackson TX 6630 SPOK, INC. 560      
979-753 A Brenham TX 6630 SPOK, INC. 560      

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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