| ZIP Code | Verizon | ATT | T-Mobile | 
|---|---|---|---|
| 63621 | 50% | 100% | 52% | 
| Licensee | Address | Height | Tower Type | 
|---|---|---|---|
| New Cingular Wireless PCS, LLC | 509 MO-32, Bismarck, MO 63624 | 76.2 | TOWER | 
| USCOC OF GREATER MISSOURI, LLC | 3907 Pimville Rd, Farmington, MO 63640 | 49 | TOWER | 
| NEW CINGULAR WIRELESS PCS, LLC | 7460 MO-49, Annapolis, MO 63620 | 76.8 | MAST | 
| New Cingular Wireless PCS, LLC | 6194 Scout Tower Rd, Farmington, MO 63640 | 106.7 | TOWER | 
| New Cingular Wireless PCS, LLC | 6148 US-67, Fredericktown, MO 63645 | 126.8 | TOWER | 
| Carrier | Address | Comment | Date Added | 
|---|---|---|---|
| Verizon | 10562 Co Rd 535 | Never more than 2 bars if outside, 1 bar inside home. Frequently drops calls or shows 'No Service'. | 2019 | 
| Verizon | Rt 4 Box 42801 | It's a complete dead zone in Piedmont. As soon as you get off the highway going towards Piedmont you lose service. AT&T is the only carrier that gets service in the entire area. | 2015 | 
| Verizon | 506 Allen St | No service at all with Verizon | 2014 | 
| AT&T | 7003 North Point Ct | Very low signal. Dropped calls, poor data/internet quality | 2019 | 
| AT&T | 130 Little Shoal Creek Rd | DEAD ZONE - No reception at all within 4 miles | 2019 | 
| Carrier | Address | Phone | Directions | 
|---|---|---|---|
| AT&T | 740 W Karsch, Farmington, MO, 63640 | 573-701-9100 | Directions | 
| Verizon | 555 W Karsch Blvd, Farmington, MO, 63640 | 573-664-0510 | Directions | 
| T-Mobile | 1160 W Gannon Drive, Festus, MO, 63028 | 636-323-4124 | Directions |