# AT&T Coverage in Volcano, CA 95689

Evidence suggests limited AT&T coverage in Volcano, CA 95689, especially indoors.

## Summary

- **Carrier**: AT&T (on the AT&T network)
- **Location**: Volcano, CA 95689
- **Verdict**: WEAK (weak)
- **Towers on network**: 35
- **Best signal (dBm)**: -63.5
- **Nearest tower**: 3.31 mi
- **Low-band sites**: 0
- **Mid-band sites**: 35
- **High-band sites**: 0

## Coordinates

- **Latitude**: 38.47088
- **Longitude**: -120.61566

## Competitor Networks at This Location

- **Verizon** (Verizon): 31 towers, verdict FAIR (fair), best -63.6 dBm
- **T-Mobile** (T-Mobile): 1 towers, verdict WEAK (weak), best -71.7 dBm

## AT&T Coverage in Nearby Cities

- [Castro Valley, CA](/coverage/att/near/city-state/castro-valley/ca) — 209 towers
- [Reno, NV](/coverage/att/near/city-state/reno/nv) — 195 towers
- [Santa Clara, CA](/coverage/att/near/city-state/santa-clara/ca) — 190 towers
- [Hayward, CA](/coverage/att/near/city-state/hayward/ca) — 186 towers
- [Sunnyvale, CA](/coverage/att/near/city-state/sunnyvale/ca) — 174 towers
- [Mountain View, CA](/coverage/att/near/city-state/mountain-view/ca) — 106 towers

## Related Links

- [View the interactive carrier map](https://www.celltowermaps.com/coverage/att/near/zip-code/95689): Human-readable map for this carrier and ZIP code.
- [All carriers near this ZIP code](https://www.celltowermaps.com/cell-towers/near/zip-code/95689/index.md): Text-first tower summary without a carrier filter.

## Data Source

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