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]

NXX: 405

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
713-405 A Houston TX HSTNTXCLDS1  9533 SOUTHWESTERN BELL 560      
713-405 0 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2007-12-03   
713-405 1 Houston TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2007-02-03   
713-405 2 Houston TX   903C ONVOY, LLC - TX 560   2021-08-05   
713-405 3 Houston TX   903C ONVOY, LLC - TX 560   2021-08-05   
713-405 4 Houston TX   9533 SOUTHWESTERN BELL 560      
713-405 5 Houston TX   9533 SOUTHWESTERN BELL 560      
713-405 6 Houston TX   9533 SOUTHWESTERN BELL 560      
713-405 7 Houston TX   903C ONVOY, LLC - TX 560   2021-08-05   
713-405 8 Houston TX   9533 SOUTHWESTERN BELL 560      
713-405 9 Houston TX   6701 AERIAL COMMUNICATIONS, INC. 560   2006-03-11   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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