The map shows where Corn Belt Telephone 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 Corn Belt Telephone services at least one address. Internet service is not necessarily available at every location within a colored hex.
Along with fiber, Corn Belt Telephone also offers fixed wireless. See Corn Belt Telephone Fixed Wireless Availability.
Broadband Map's information on Corn Belt Telephone fiber availability relies heavily on the May 2026 release from the FCC's Broadband Data Collection program (representing ISPs' availability as of December 2025).