# AT&T Coverage in San Marcos, TX 78666

Mixed — AT&T coverage in San Marcos, TX 78666 is usable but uneven.

## Summary

- **Carrier**: AT&T (on the AT&T network)
- **Location**: San Marcos, TX 78666
- **Verdict**: FAIR (fair)
- **Towers on network**: 9
- **Best signal (dBm)**: -54.4
- **Nearest tower**: 2.57 mi
- **Low-band sites**: 1
- **Mid-band sites**: 8
- **High-band sites**: 0

## Coordinates

- **Latitude**: 29.8826
- **Longitude**: -97.97974

## Competitor Networks at This Location

- **T-Mobile** (T-Mobile): 28 towers, verdict STRONG (strong), best -50.1 dBm
- **Verizon** (Verizon): 21 towers, verdict GOOD (good), best -60.5 dBm

## AT&T Coverage in Nearby Cities

- [Round Rock, TX](/coverage/att/near/city-state/round-rock/tx) — 133 towers
- [Pflugerville, TX](/coverage/att/near/city-state/pflugerville/tx) — 92 towers
- [Cedar Park, TX](/coverage/att/near/city-state/cedar-park/tx) — 74 towers
- [Jbsa Ft Sam Houston, TX](/coverage/att/near/city-state/jbsa-ft-sam-houston/tx) — 64 towers
- [Weir, TX](/coverage/att/near/city-state/weir/tx) — 60 towers
- [Belton, TX](/coverage/att/near/city-state/belton/tx) — 59 towers

## Related Links

- **View on Map**: https://www.celltowermaps.com/coverage/att/near/zip-code/78666
- **All carriers at this zip**: https://www.celltowermaps.com/cell-towers/near/zip-code/78666

## Data Source

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