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