# AT&T Coverage in Union City, CA

Yes — AT&T is well-served in Union City, CA.

## Summary

- **Carrier**: AT&T (on the AT&T network)
- **Location**: Union City, CA
- **Verdict**: STRONG (strong)
- **Towers on network**: 90
- **Best signal (dBm)**: -51.6
- **Nearest tower**: 0.84 mi
- **Low-band sites**: 0
- **Mid-band sites**: 89
- **High-band sites**: 1

## Coordinates

- **Latitude**: 37.59142
- **Longitude**: -122.06993

## Competitor Networks at This Location

- **T-Mobile** (T-Mobile): 409 towers, verdict EXCELLENT (excellent), best -44.4 dBm
- **Verizon** (Verizon): 195 towers, verdict EXCELLENT (excellent), best -46.5 dBm

## AT&T Coverage in Nearby Cities

- [Berkeley, CA](/coverage/att/near/city-state/berkeley/ca) — 242 towers
- [San Bruno, CA](/coverage/att/near/city-state/san-bruno/ca) — 192 towers
- [Alamo, CA](/coverage/att/near/city-state/alamo/ca) — 66 towers
- [Manteca, CA](/coverage/att/near/city-state/manteca/ca) — 58 towers

## Related Links

- **View on Map**: https://www.celltowermaps.com/coverage/att/near/city-state/union-city/ca
- **All carriers in this city**: https://www.celltowermaps.com/cell-towers/near/city-state/union-city/ca

## Data Source

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