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The map shows where Granite State 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 Granite State Communications services at least one address. Internet service is not necessarily available at every location within a colored hex.
Along with DSL, Granite State Communications also offers fiber. See Granite State Communications Fiber Availability.
Broadband Map's information on Granite State 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).