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