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: 516C AT&T CORP.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
713-393 7 Houston TX   560   2009-12-29   
713-474 5 Houston Suburban TX   560   2011-06-17   
713-485 0 Houston TX   560   2009-11-13   
713-485 4 Houston TX   560   2009-04-24   
713-485 5 Houston TX   560   2009-04-30   
713-485 6 Houston TX   560   2009-04-30   
713-491 3 Houston TX   560   2016-09-12   
713-497 5 Houston TX   560   2013-07-29   
713-505 A Houston TX HSTNTX01X7X  560      
713-505 1 Houston TX   560      
713-586 0 Houston TX   560   2016-09-12   
713-587 0 Houston TX   560   2016-09-12   
713-926 0 Houston TX   560   2016-09-12   
713-957 9 Houston TX   560   2016-09-12   
713-993 6 Houston TX   560   2009-08-23   

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

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