# T-Mobile Coverage in Columbia, MD 21045

Excellent — T-Mobile has dense, multi-band coverage in Columbia, MD 21045.

## Summary

- **Carrier**: T-Mobile (on the T-Mobile network)
- **Location**: Columbia, MD 21045
- **Verdict**: EXCELLENT (excellent)
- **Towers on network**: 601
- **Best signal (dBm)**: -41.9
- **Nearest tower**: 0.21 mi
- **Low-band sites**: 0
- **Mid-band sites**: 419
- **High-band sites**: 183

## Coordinates

- **Latitude**: 39.20622
- **Longitude**: -76.82747

## Competitor Networks at This Location

- **AT&T** (AT&T): 335 towers, verdict EXCELLENT (excellent), best -39.6 dBm
- **Verizon** (Verizon): 234 towers, verdict STRONG (strong), best -41.0 dBm

## T-Mobile Coverage in Nearby Cities

- [Naval Anacost Annex, DC](/coverage/t-mobile/near/city-state/naval-anacost-annex/dc) — 3,528 towers
- [Washington, DC](/coverage/t-mobile/near/city-state/washington/dc) — 2,877 towers
- [Alexandria, VA](/coverage/t-mobile/near/city-state/alexandria/va) — 2,193 towers
- [Mount Rainier, MD](/coverage/t-mobile/near/city-state/mount-rainier/md) — 1,904 towers
- [Brentwood, MD](/coverage/t-mobile/near/city-state/brentwood/md) — 1,708 towers
- [Falls Church, VA](/coverage/t-mobile/near/city-state/falls-church/va) — 1,689 towers

## Related Links

- **View on Map**: https://www.celltowermaps.com/coverage/t-mobile/near/zip-code/21045
- **All carriers at this zip**: https://www.celltowermaps.com/cell-towers/near/zip-code/21045

## Data Source

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