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: 515J IP HORIZON LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
713-258 6 Houston TX   560   2019-05-18   
713-258 7 Houston TX   560   2019-05-18   
713-377 9 Spring EMS TX   560   2013-08-13   

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

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