| ZIP Code | Verizon | ATT | T-Mobile | 
|---|---|---|---|
| 50138 | 98% | 98% | 99% | 
| Licensee | Address | Height | Tower Type | 
|---|---|---|---|
| USCOC OF GREATER IOWA, LLC | 214 W Douglas St, Knoxville, IA 50138 | 52.1 | |
| Midwest Wireless Iowa L.L.C. | 1103 150th Ave, Knoxville, IA 50138 | 80.2 | TOWER | 
| Midwest Wireless Iowa L.L.C. | 914 W Marion St, Knoxville, IA 50138 | 30.5 | TANK | 
| Carrier | Address | Comment | Date Added | 
|---|---|---|---|
| T-Mobile | 211 Garfield St | Can only get 2g service on 4g service plan. Will t mobile ever address this problem? What can be done? | 2014 | 
| T-Mobile | 1804 S 44th Ave W | Dropped Calls - No-service errors | 2014 | 
| Sprint | Fleur / Thornton Dr, DSM | Always drops calls heading south | 2016 | 
| Sprint | 558 G14 Hwy | Sucky McSuckerson | 2019 | 
| Verizon | 200th Ave | Date service for verizon is bouces between 1x and 3g but per Verizon data maps this is a 4G area - spent some time with Verizon technical support - they indicated after researching the matter that their tower is too far south to give 4G service. They said the farther south I go on this lake the better my data service will be - I got verizon service specifically so I can stream media while anchored on my boat in this area and was some what disappointed. Also I used to work much better at this location a year ago but somehow towers changed. Mean while my friend with US celluar got 4G service and I even did a speed test to achieve about 14 Mips with US Cellular at this location | 2015 | 
| Carrier | Address | Phone | Directions | 
|---|---|---|---|
| AT&T | 3053 8th Street Sw Suite 300, Altoona, IA, 50009 | 515-967-0678 | Directions | 
| Verizon | 813 North Lincoln St, Knoxville, IA, 50138 | 641-638-3467 | Directions | 
| T-Mobile | 1111 E. Army Post Rd. 25, Des Moines, IA, 50315 | 515-285-9295 | Directions |