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: 770

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
713-770 A Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-770 0 Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-770 1 Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-770 2 Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-770 3 Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-770 4 Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-770 5 Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-770 6 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2008-05-30   
713-770 7 Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-770 8 Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      
713-770 9 Houston TX HSTNTXMCDS0  9533 SOUTHWESTERN BELL 560      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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