# AT&T Coverage in Chicago, IL 60643

Evidence suggests AT&T is well-served in Chicago, IL 60643.

## Summary

- **Carrier**: AT&T (on the AT&T network)
- **Location**: Chicago, IL 60643
- **Verdict**: STRONG (strong)
- **Towers on network**: 188
- **Best signal (dBm)**: -46.6
- **Nearest tower**: 0.47 mi
- **Low-band sites**: 0
- **Mid-band sites**: 188
- **High-band sites**: 0

## Coordinates

- **Latitude**: 41.70026
- **Longitude**: -87.663

## Competitor Networks at This Location

- **T-Mobile** (T-Mobile): 314 towers, verdict EXCELLENT (excellent), best -42.8 dBm
- **Verizon** (Verizon): 12 towers, verdict STRONG (strong), best -51.9 dBm

## AT&T Coverage in Nearby Cities

- [Harvey, IL](/coverage/att/near/city-state/harvey/il) — 348 towers
- [Dolton, IL](/coverage/att/near/city-state/dolton/il) — 344 towers
- [South Holland, IL](/coverage/att/near/city-state/south-holland/il) — 338 towers
- [Riverdale, IL](/coverage/att/near/city-state/riverdale/il) — 309 towers
- [Posen, IL](/coverage/att/near/city-state/posen/il) — 306 towers
- [Markham, IL](/coverage/att/near/city-state/markham/il) — 302 towers

## Related Links

- [View the interactive carrier map](https://www.celltowermaps.com/coverage/att/near/zip-code/60643): Human-readable map for this carrier and ZIP code.
- [All carriers near this ZIP code](https://www.celltowermaps.com/cell-towers/near/zip-code/60643/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.