Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Luling, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
830-875 5   9533 SOUTHWESTERN BELL 566      
830-875 6   9533 SOUTHWESTERN BELL 566      
830-875 7   903C ONVOY, LLC - TX 566   2016-04-23   
830-875 8   9533 SOUTHWESTERN BELL 566      
830-875 9   9533 SOUTHWESTERN BELL 566      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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