# AT&T Coverage in Columbia, MD 21046

Yes — AT&T is well-served in Columbia, MD 21046.

## Summary

- **Carrier**: AT&T (on the AT&T network)
- **Location**: Columbia, MD 21046
- **Verdict**: STRONG (strong)
- **Towers on network**: 345
- **Best signal (dBm)**: -40.5
- **Nearest tower**: 0.23 mi
- **Low-band sites**: 2
- **Mid-band sites**: 342
- **High-band sites**: 1

## Coordinates

- **Latitude**: 39.17357
- **Longitude**: -76.84183

## Competitor Networks at This Location

- **T-Mobile** (T-Mobile): 625 towers, verdict EXCELLENT (excellent), best -28.2 dBm
- **Verizon** (Verizon): 285 towers, verdict EXCELLENT (excellent), best -30.3 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 on Map**: https://www.celltowermaps.com/coverage/att/near/zip-code/21046
- **All carriers at this zip**: https://www.celltowermaps.com/cell-towers/near/zip-code/21046

## Data Source

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