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The map shows where Darien Telephone fiber internet is available and Darien 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 Darien Telephone services at least one address. Internet service is not necessarily available at every location within a colored hex.
Along with fiber, Darien Telephone also offers cable. See Darien Telephone Cable Availability.
Broadband Map's information on Darien Telephone fiber 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).