The map shows where Mt. Rushmore Telephone fiber internet is available and Mt. Rushmore Telephone speeds in different areas. When different max speeds are available at different addresses within a hex, color is determined by the fastest speed.
Colored hexagons indicate where Mt. Rushmore Telephone services at least one address. Internet service is not necessarily available at every location within a colored hex.
Select a city to show Mt. Rushmore Telephone Fiber availability in the surrounding area.
Along with fiber, Mt. Rushmore Telephone also offers DSL. See Mt. Rushmore Telephone DSL Availability.
Zoom out to view Mt. Rushmore Telephone Fiber availability and speeds at the national level. However, the map works best when zoomed in, exploring Mt. Rushmore Telephone Fiber availability in specific regions.
The availability or speed of service at a single address can dictate the color of the hexagon the address falls within. Accordingly, national-scale views with large hexagons will smooth over local variations in internet availability and speeds.
Broadband Map's information on Mt. Rushmore Telephone fiber availability relies heavily on the June 2026 data from the FCC's Broadband Data Collection program (published October 2026).