Ontario: OntarioNet
The City of Ontario owns a municipal fiber network, with service sold as OntarioNet. The city lists speeds from 500 Mbps to 5 Gbps and is building out in phases, starting with newer communities such as Ontario Ranch and expanding into more service areas. Residents and businesses can check the city's broadband page for current and upcoming areas.
Rancho Cucamonga: RCMU
Rancho Cucamonga Municipal Broadband (RCMU) owns fiber that serves select new developments built with fiber, with retail service through Onward (formerly Inyo Networks). The city lists up to 1 Gbps service and plans to expand using about 70 miles of existing city fiber under its Fiber Optic Master Plan. The city's website has a service-area lookup.
Should you choose city fiber?
- Fiber speeds, often with simple pricing
- A local option alongside the big national providers
- Check support hours, install times and business options as you would with any provider
Businesses in these areas can include city fiber in a quote comparison. It can also make a good second connection for failover alongside Frontier or Spectrum.
Details from the cities' own websites as of October 2026. Coverage changes as construction continues.
Questions people ask
Is OntarioNet available everywhere in Ontario?
No. It serves selected communities and is expanding in phases. Check the City of Ontario's broadband page for your area.
Who provides RCMU fiber service?
The city owns the fiber, and Onward (formerly Inyo Networks) provides the retail internet service in select new developments.
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