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: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
713-437 A Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-437 0 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560   2004-10-16   
713-437 1 Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-437 2 Houston TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-08-27   
713-437 3 Houston TX HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-10-18   
713-437 4 Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-437 5 Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-437 6 Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-437 7 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560   2013-09-15   
713-437 8 Houston TX HSTNTXCADS0  9533 SOUTHWESTERN BELL 560      
713-437 9 Houston TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2007-05-02   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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