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The map shows where NTT Fiber (North Texas Telephone) offers DSL internet service. Colored hexagons indicate where NTT Fiber (North Texas Telephone) services at least one address. Internet service is not necessarily available at every location within a colored hex. When different max speeds are available at different addresses within a hex, color is determined by the fastest speed.
Along with DSL, NTT Fiber (North Texas Telephone) unsurprisingly offers fiber. See NTT Fiber (North Texas Telephone) Availability.
Select a hexagon to see the max speed in a specific area. From the settings menu, toggle between residential and business internet.
Broadband Map's information on NTT Fiber (North Texas Telephone) DSL availability relies heavily on the November 2025 release from the FCC's Broadband Data Collection program (representing ISPs' availability as of June 2025).