Johnston has multiple fiber providers, including Metronet Holdings and Quantum Fiber. Symmetric speeds of 5,120 Mbps are available in parts of the city.
Note: T-Mobile Fiber is expected to be available in parts of Johnston, but that's not captured in Broadband Map's primary dataset. Check availability on T-Mobile Fiber's Website.
Broadband Map's availability estimates are based on the census boundaries
of Johnston. Speed metrics capture internet providers' maximum advertised speeds. Both may be overoptimistic.
Data Sourcing
Broadband Map's listings of internet providers in Johnston rely primarily on the November 2025 release from the FCC's Broadband Data Collection program (representing Johnston ISPs' availability as of June 2025).