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The map shows where FTC DSI offers DSL internet service. When different max speeds are available at different addresses within a hex, color is determined by the fastest speed.
Colored hexagons indicate where FTC DSI services at least one address. Internet service is not necessarily available at every location within a colored hex.
Select a city to show FTC DSI DSL availability in the surrounding area.
Along with DSL, FTC DSI also offers fiber. See FTC DSI Fiber Availability.
Broadband Map's information on FTC DSI DSL availability relies heavily on the May 2026 release from the FCC's Broadband Data Collection program (representing ISPs' availability as of December 2025).