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