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The map shows where Sierra Telephone DSL internet is available and Sierra 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 Sierra Telephone services at least one address. Internet service is not necessarily available at every location within a colored hex.
Select a city to show Sierra Telephone DSL availability in the surrounding area.
Along with DSL, Sierra Telephone also offers fiber. See Sierra Telephone Fiber Availability.
Broadband Map's information on Sierra Telephone DSL availability relies heavily on the December 2025 data from the FCC's Broadband Data Collection program (published May 2026, with FCC revisions through July 2026).