Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DLLSTX3769Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
430-777 A Troup TX 139F WORLDCALL INTERCONNECT INC. 552      
430-888 A Montalba TX 139F WORLDCALL INTERCONNECT INC. 552      
469-732 A Waxahachie TX 139F WORLDCALL INTERCONNECT INC. 552      
469-777 A Frisco TX 139F WORLDCALL INTERCONNECT INC. 552      
469-999 A Grand Prairie TX 139F WORLDCALL INTERCONNECT INC. 552      
682-444 A Glendale TX 139F WORLDCALL INTERCONNECT INC. 552      
682-682 A Arlington TX 473F USFON, INC. - TX 552      
682-777 A Arlington TX 139F WORLDCALL INTERCONNECT INC. 552      
817-817 A Fort Worth TX 473F USFON, INC. - TX 552      
903-903 A Palestine TX 473F USFON, INC. - TX 552      
945-222 A Crandall TX 473F USFON, INC. - TX 552      
945-300 A Lewisville TX 473F USFON, INC. - TX 552      
945-333 A McKinney TX 473F USFON, INC. - TX 552      
945-400 A Frisco TX 473F USFON, INC. - TX 552      
945-444 A Grand Prairie TX 473F USFON, INC. - TX 552      
945-500 A Carrollton TX 473F USFON, INC. - TX 552      
945-666 A Palmer TX 473F USFON, INC. - TX 552      
945-800 A Plano TX 473F USFON, INC. - TX 552      
945-900 A Waxahachie TX 473F USFON, INC. - TX 552      
945-945 A Dallas TX 473F USFON, INC. - TX 552      
972-777 A Dallas TX 473F USFON, INC. - TX 552      
979-225 A Borden TX 139F WORLDCALL INTERCONNECT INC. 570      
979-333 A La Grange TX 139F WORLDCALL INTERCONNECT INC. 570      
979-666 A Moravia TX 139F WORLDCALL INTERCONNECT INC. 570      

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

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