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: 763H IP GLOBAL NETWORKS - TX

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
713-814 7 Houston TX HSTNTX08X0X  560   2017-11-13   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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