# AT&T Coverage in San Francisco, CA 94128

Evidence suggests AT&T is well-served in San Francisco, CA 94128.

## Summary

- **Carrier**: AT&T (on the AT&T network)
- **Location**: San Francisco, CA 94128
- **Verdict**: STRONG (strong)
- **Towers on network**: 189
- **Best signal (dBm)**: -36.0
- **Nearest tower**: 0.14 mi
- **Low-band sites**: 0
- **Mid-band sites**: 189
- **High-band sites**: 0

## Coordinates

- **Latitude**: 37.62197
- **Longitude**: -122.38388

## Competitor Networks at This Location

- **T-Mobile** (T-Mobile): 404 towers, verdict EXCELLENT (excellent), best -35.1 dBm
- **Verizon** (Verizon): 253 towers, verdict EXCELLENT (excellent), best -36.3 dBm

## AT&T Coverage in Nearby Cities

- [San Francisco, CA](/coverage/att/near/city-state/san-francisco/ca) — 524 towers
- [San Lorenzo, CA](/coverage/att/near/city-state/san-lorenzo/ca) — 274 towers
- [Emeryville, CA](/coverage/att/near/city-state/emeryville/ca) — 247 towers
- [Berkeley, CA](/coverage/att/near/city-state/berkeley/ca) — 242 towers
- [San Anselmo, CA](/coverage/att/near/city-state/san-anselmo/ca) — 234 towers
- [Brisbane, CA](/coverage/att/near/city-state/brisbane/ca) — 231 towers

## Related Links

- [View the interactive carrier map](https://www.celltowermaps.com/coverage/att/near/zip-code/94128): Human-readable map for this carrier and ZIP code.
- [All carriers near this ZIP code](https://www.celltowermaps.com/cell-towers/near/zip-code/94128/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.