Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Marble Falls, TX

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
830-798 A MRFLTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 566      
830-987 A   903C ONVOY, LLC - TX 566   2025-03-30   
830-987 0   903C ONVOY, LLC - TX 566   2025-03-30   
830-987 1   903C ONVOY, LLC - TX 566   2025-05-10   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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