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: 321J HD CARRIER LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
713-949 2 Richmond-Rosenberg TX   560   2026-03-27   
713-949 3 Richmond-Rosenberg TX   560   2026-03-27   
713-949 4 Richmond-Rosenberg TX   560   2026-03-27   

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

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