Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Lake Dallas EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
940-270 A FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
940-321 A LKDLTXXADS0  2101 BRIGHTSPEED OF NORTHERN TEXAS, INC. 552      
940-498 A LKDLTXXADS0  2101 BRIGHTSPEED OF NORTHERN TEXAS, INC. 552      
940-498 0   2101 BRIGHTSPEED OF NORTHERN TEXAS, INC. 552      
940-498 1   2101 BRIGHTSPEED OF NORTHERN TEXAS, INC. 552      
940-498 2   792K CHARTER IP ENABLED SERVICES, LLC 552   2008-08-27   
940-498 3   2101 BRIGHTSPEED OF NORTHERN TEXAS, INC. 552      
940-498 4   2101 BRIGHTSPEED OF NORTHERN TEXAS, INC. 552      
940-498 5   2101 BRIGHTSPEED OF NORTHERN TEXAS, INC. 552      
940-498 6   2101 BRIGHTSPEED OF NORTHERN TEXAS, INC. 552      
940-498 7   792K CHARTER IP ENABLED SERVICES, LLC 552   2009-04-05   
940-498 8   2101 BRIGHTSPEED OF NORTHERN TEXAS, INC. 552      
940-498 9   2101 BRIGHTSPEED OF NORTHERN TEXAS, INC. 552      

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

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