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