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: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
713-221 A Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-221 0 Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-221 1 Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-221 2 Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-221 3 Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-221 4 Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-221 5 Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-221 6 Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-221 7 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560      
713-221 8 Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-221 9 Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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