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: 7715 MATRIX TELECOM, LLC. S/I/I TNCI - TX

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
713-554 A Houston TX HSTWTXBIDS0  560      
713-559 A Houston TX HSTWTXBIDS0  560      
713-929 A Houston TX HSTWTXBIDS0  560      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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