# Cell Towers in Ontario, CA

## Summary

- **Location**: Ontario, California 91764
- **Population**: 56,317
- **Mapped antenna sites**: 215
- **Sites with cellular spectrum**: 21
- **FCC records grouped**: 349
- **Area**: 0.9 square miles
- **Mapped site density**: 13.4 sites per square mile

- **County**: San Bernardino

## Coordinates

- **Latitude**: 34.077096
- **Longitude**: -117.616231

## Top Licensees by Tower Count

1. **Aviation Spectrum Resources Inc**: 17 towers

2. **ONTARIO, CITY OF**: 8 towers

3. **Clearwire Spectrum Holdings III LLC**: 8 towers

4. **SAN BERNARDINO, COUNTY OF**: 8 towers

5. **T-MOBILE LICENSE LLC**: 7 towers


## Major Carriers

- **Aviation Spectrum Resources Inc**: 17 towers

- **Clearwire Spectrum Holdings III LLC**: 8 towers

- **T-MOBILE LICENSE LLC**: 7 towers

- **T-Mobile License LLC**: 3 towers

- **WiLine Spectrum Holdings LLC**: 1 towers

## Related Links

- [View the interactive map](https://www.celltowermaps.com/cell-towers/near/city-state/ontario/ca): Human-readable map for this location.
- [State directory](https://www.celltowermaps.com/cell-towers/directory/california/index.md): Text-first list of locations in California.
- [United States directory](https://www.celltowermaps.com/cell-towers/directory/index.md): Browse all states.

## Data Source

Tower data is sourced from U.S. Federal Communications Commission licensing records. See [llms.txt](https://www.celltowermaps.com/llms.txt) for methodology and access guidance.