Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Porter Heights EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-429 A PTHSTXXARS0  2114 BRIGHTSPEED OF TEXAS, INC. 560      
281-429 0 PTHSTXXARS0  2114 BRIGHTSPEED OF TEXAS, INC. 560      
281-429 1 PTHSTXXARS0  2114 BRIGHTSPEED OF TEXAS, INC. 560      
281-429 2 PTHSTXXARS0  2114 BRIGHTSPEED OF TEXAS, INC. 560      
281-429 3 PTHSTXXARS0  2114 BRIGHTSPEED OF TEXAS, INC. 560      
281-429 4 PTHSTXXARS0  2114 BRIGHTSPEED OF TEXAS, INC. 560      
281-429 5 PTHSTXXARS0  2114 BRIGHTSPEED OF TEXAS, INC. 560      
281-429 6   792K CHARTER IP ENABLED SERVICES, LLC 560   2016-07-08   
281-429 7 PTHSTXXARS0  2114 BRIGHTSPEED OF TEXAS, INC. 560      
281-429 8 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2011-06-24   
281-429 9 PTHSTXXARS0  2114 BRIGHTSPEED OF TEXAS, INC. 560      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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