Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 713 [Rate centres in NPA 713] [Dial plan for NPA 713]

NXX: 713

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
713-713 A Houston TX HSTQTXRG6MD  473F USFON, INC. - TX 560      
713-713 0 Houston TX   139F WORLDCALL INTERCONNECT INC. 560   2023-03-11   
713-713 1 Houston TX   139F WORLDCALL INTERCONNECT INC. 560   2023-03-11   
713-713 2 Houston TX   473F USFON, INC. - TX 560   2023-03-10   
713-713 3 Houston TX   473F USFON, INC. - TX 560   2023-03-10   
713-713 4 Houston TX   473F USFON, INC. - TX 560   2023-03-10   
713-713 5 Houston TX   473F USFON, INC. - TX 560   2023-03-10   
713-713 6 Houston TX   473F USFON, INC. - TX 560   2023-03-10   
713-713 7 Houston TX   473F USFON, INC. - TX 560   2023-03-10   
713-713 8 Houston TX   473F USFON, INC. - TX 560   2023-03-10   
713-713 9 Houston TX   473F USFON, INC. - TX 560   2023-03-10   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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