| ZIP Code | Verizon | ATT | T-Mobile | 
|---|---|---|---|
| 59311 | 23% | 60% | 70% | 
| Licensee | Address | Height | Tower Type | 
|---|---|---|---|
| Cable & Communications Corporation | Unnamed Road, Alzada, MT 59311 | 54.9 | TOWER | 
| Carrier | Address | Comment | Date Added | 
|---|---|---|---|
| Sprint | US-212 | Get zero reception. The only way I can get texts is from being online.... | 2015 | 
| AT&T | 100 1/2 Bell Street, Suites 21 & 22 | Going from Glendive to Wibaux and Glendive to Billings the coverage is horrible. | 2019 | 
| AT&T | Hwy 384 | Limited and spotty connectivity for voice and data even though coverage map shows area as having coverage. | 2019 | 
| Verizon | 1240 Nasturtium Dr | No 4G SERVICE. EVER. 2 or 3 bars of 3G. Data is always so slow on Verizon. Calls sometimes drop or breakup if inside house. | 2019 | 
| T-Mobile | 3121 King Ave W | Phone ok, limited data | 2015 | 
| Carrier | Address | Phone | Directions | 
|---|---|---|---|
| AT&T | 935 East Colorado Blvd, Spearfish, SD, 57783 | 605-642-2031 | Directions | 
| Verizon | 2735 1st Ave, Spearfish, SD, 57783 | 605-569-6121 | Directions | 
| T-Mobile | 2200 N Maple Ave Space 612, Rapid City, SD, 57701 | 605-791-1412 | Directions |