Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: LKDLTXXADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
940-321 A Lake Dallas EMS TX 2101 BRIGHTSPEED OF NORTHERN TEXAS, INC. 552      
940-497 A Lake Dallas TX 2101 BRIGHTSPEED OF NORTHERN TEXAS, INC. 552      
940-498 A Lake Dallas EMS TX 2101 BRIGHTSPEED OF NORTHERN TEXAS, INC. 552      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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