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