# Spectrum Coverage in Rancho Cucamonga, CA 91737

Usable — Spectrum has decent coverage in Rancho Cucamonga, CA 91737.

## Summary

- **Carrier**: Spectrum (on the Verizon network)
- **Location**: Rancho Cucamonga, CA 91737
- **Verdict**: GOOD (good)
- **Towers on network**: 23
- **Best signal (dBm)**: -57.5
- **Nearest tower**: 1.65 mi
- **Low-band sites**: 0
- **Mid-band sites**: 23
- **High-band sites**: 0

## Coordinates

- **Latitude**: 34.15523
- **Longitude**: -117.57808

## Competitor Networks at This Location

- **T-Mobile** (T-Mobile): 145 towers, verdict STRONG (strong), best -53.6 dBm
- **AT&T** (AT&T): 25 towers, verdict FAIR (fair), best -56.3 dBm

## Spectrum Coverage in Nearby Cities

- [Los Angeles, CA](/coverage/spectrum-mobile/near/city-state/los-angeles/ca) — 392 towers
- [Tustin, CA](/coverage/spectrum-mobile/near/city-state/tustin/ca) — 384 towers
- [Santa Ana, CA](/coverage/spectrum-mobile/near/city-state/santa-ana/ca) — 277 towers
- [Universal City, CA](/coverage/spectrum-mobile/near/city-state/universal-city/ca) — 232 towers
- [Garden Grove, CA](/coverage/spectrum-mobile/near/city-state/garden-grove/ca) — 218 towers
- [Burbank, CA](/coverage/spectrum-mobile/near/city-state/burbank/ca) — 213 towers

## Related Links

- **View on Map**: https://www.celltowermaps.com/coverage/spectrum-mobile/near/zip-code/91737
- **All carriers at this zip**: https://www.celltowermaps.com/cell-towers/near/zip-code/91737

## Data Source

Tower data sourced from FCC licensing records and OpenCellID. For more information, visit https://www.celltowermaps.com/llms.txt