# AT&T Coverage in Rocky Ridge, MD 21778

Evidence is mixed — AT&T coverage in Rocky Ridge, MD 21778 may be uneven.

## Summary

- **Carrier**: AT&T (on the AT&T network)
- **Location**: Rocky Ridge, MD 21778
- **Verdict**: FAIR (fair)
- **Towers on network**: 49
- **Best signal (dBm)**: -57.7
- **Nearest tower**: 2.84 mi
- **Low-band sites**: 1
- **Mid-band sites**: 44
- **High-band sites**: 4

## Coordinates

- **Latitude**: 39.61576
- **Longitude**: -77.33754

## Competitor Networks at This Location

- **Verizon** (Verizon): 44 towers, verdict GOOD (good), best -62.1 dBm
- **T-Mobile** (T-Mobile): 69 towers, verdict GOOD (good), best -62.2 dBm

## AT&T Coverage in Nearby Cities

- [Naval Anacost Annex, DC](/coverage/att/near/city-state/naval-anacost-annex/dc) — 1,996 towers
- [Fort Myer, VA](/coverage/att/near/city-state/fort-myer/va) — 1,962 towers
- [Washington Navy Yard, DC](/coverage/att/near/city-state/washington-navy-yard/dc) — 1,737 towers
- [Arlington, VA](/coverage/att/near/city-state/arlington/va) — 1,718 towers
- [Washington, DC](/coverage/att/near/city-state/washington/dc) — 1,571 towers
- [Alexandria, VA](/coverage/att/near/city-state/alexandria/va) — 1,155 towers

## Related Links

- [View the interactive carrier map](https://www.celltowermaps.com/coverage/att/near/zip-code/21778): Human-readable map for this carrier and ZIP code.
- [All carriers near this ZIP code](https://www.celltowermaps.com/cell-towers/near/zip-code/21778/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.