Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Rio Vista, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-373 A RIVSTXXARS0  2153 TEXAS WINDSTREAM, LLC 552      
817-373 0 RIVSTXXARP0  2153 TEXAS WINDSTREAM, LLC 552      
817-373 1 DLLSTXTAXTZ  624H ONVOY SPECTRUM, LLC 552   2024-12-13   
817-373 2 RIVSTXXARS0  2153 TEXAS WINDSTREAM, LLC 552      
817-373 3 RIVSTXXARS0  2153 TEXAS WINDSTREAM, LLC 552      
817-373 5 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2010-06-15   
817-373 7   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2014-12-22   
817-373 9 RIVSTXXARP0  2153 TEXAS WINDSTREAM, LLC 552      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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