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The map shows where Sandwich Isles Communications 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 Sandwich Isles Communications services at least one address. Internet service is not necessarily available at every location within a colored hex.
Select a city to show Sandwich Isles Communications DSL availability in the surrounding area.
Along with DSL, Sandwich Isles Communications also offers fiber. See Sandwich Isles Communications Fiber Availability.
Broadband Map's information on Sandwich Isles Communications DSL availability relies heavily on the May 2026 release from the FCC's Broadband Data Collection program (representing ISPs' availability as of December 2025).