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]

Region: TX

OCN: 139F WORLDCALL INTERCONNECT INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
713-713 0 Houston TX HSTQTXRG6MD  560   2023-03-11   
713-713 1 Houston TX HSTQTXRG6MD  560   2023-03-11   
713-900 0 Houston TX HSTQTXRG6MD  560   2010-12-24   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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