Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DLLSTXAL9MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
469-498 A Dallas TX 597F VOIP INNOVATIONS, LLC 552      
469-598 A Frisco TX 597F VOIP INNOVATIONS, LLC 552      
682-284 A Arlington TX 597F VOIP INNOVATIONS, LLC 552      
682-285 A Fort Worth TX 597F VOIP INNOVATIONS, LLC 552      

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

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