Corn Belt Telephone is a small internet service provider in the United States, serving 1 state or territory: Iowa. Learn more about Corn Belt Telephone's coverage and availability on this page.
Can I get Corn Belt Telephone internet in my area?
The easiest way to find out is to click the link below.
You may enter your zip code to check local availability or view the map below before contacting Corn Belt Telephone.
Corn Belt Telephone Availability Map

Any Internet Availability
On the map you can see Corn Belt Telephone's coverage area in the United States. Areas in green are most likely to have coverage, where some homes in yellow to red areas may not have coverage.
The table below shows coverage and average maximum speeds by state.
| State | Availaiblity | Average Best Speed |
|---|---|---|
| Iowa | 0.21% | 962 Mbps |
How fast is Corn Belt Telephone's internet?

Internet Download Speed
The map above shows average maximum speeds by area. Overall, Corn Belt Telephone internet speeds are adequate for most homes.
Download speeds (the speed at which you receive files and streaming video) range from 10 to 1,000 Mbps. The average customer has access to plans with download speeds up to 962 Mbps. This puts Corn Belt Telephone in the 61st percentile versus other ISPs for download speeds, meaning speeds are noticeabley faster than the average provider in the US.
Upload speeds (the speed you can send files and video to others) range from a low of 1.0 Mbps to a high of 1,000 Mbps. The average is 962 Mbps, placing Corn Belt Telephone in the 67th percentile for internet provider upload speeds, which is fast enough for a modern household.
What broadband services does Corn Belt Telephone offer?
Across the country Corn Belt Telephone offers fiber and fixed wireless internet service. The table below shows which types of service Corn Belt Telephone offers and the average maximum speed for each service type. “Coverage” is the percent of Corn Belt Telephone customers who can get that type of service.
Technology |
Coverage |
Average Best Speed |
|---|---|---|
Fiber |
96.18% |
1,000 Mbps |
Fixed Wireless |
4.67% |
11 Mbps |
Where is Corn Belt Telephone Fiber Available?

Fiber Internet Speed
The Corn Belt Telephone fiber availability map shows where fiber has been made available to customers. If you can get fiber, it is usually the best option for most people due to fast speeds and low lag. Fiber is available within 96.18% of Corn Belt Telephone's coverage footprint, and the average speed for fiber is 1,000 Mbps download and 1,000 Mbps upload.
Where is Corn Belt Telephone Fixed Wireless Available?

Fixed Wireless Internet Speed Key
Fixed wireless The Corn Belt Telephone Fixed Wireless availability map shows where Fixed Wireless has been made available to customers. Fixed Wireless is available within 4.67% of Corn Belt Telephone's coverage footprint, and the average speed for Fixed Wireless is 11 Mbps down and 1.2 Mbps up.
Can I get Corn Belt Telephone TV Service?
Probably. Most fiber optic and cable companies are able to offer some kind of TV service. In either case, you can also get Corn Belt Telephone internet and satellite TV.
What cities and zips does Corn Belt Telephone serve?
With coverage in 19 cities and 13 zip codes, only the largest are listed below:
City |
Availability |
Average Best Speed |
|---|---|---|
| Sac City, IA | 95.88% | 988 Mbps |
| Lake View, IA | 99.72% | 1,000 Mbps |
| Wall Lake, IA | 94.99% | 1,000 Mbps |
| Early, IA | 76.23% | 993 Mbps |
| Lytton, IA | 79.81% | 986 Mbps |
| Auburn, IA | 45.32% | 343 Mbps |
| Carnarvon, IA | 66.33% | 1,000 Mbps |
| Ulmer, IA | 84.75% | 1,000 Mbps |
| Yetter, IA | 42.45% | 879 Mbps |
| Grant City, IA | 100.00% | 1,000 Mbps |
| Breda, IA | 5.05% | 920 Mbps |
| Odebolt, IA | 2.01% | 1,000 Mbps |
| Mount Carmel, IA | 6.67% | 10 Mbps |
| Nemaha, IA | 7.01% | 427 Mbps |
| Lake City, IA | 0.67% | 10 Mbps |
| Kiron, IA | 1.50% | 1,000 Mbps |
| Lanesboro, IA | 2.49% | 10 Mbps |
| Lidderdale, IA | 1.49% | 10 Mbps |
| Vail, IA | 0.49% | 1,000 Mbps |
Zip |
Availability |
Average Best Speed |
| 50583, IA | 95.19% | 989 Mbps |
| 51450, IA | 99.33% | 1,000 Mbps |
| 51466, IA | 95.11% | 1,000 Mbps |
| 50535, IA | 76.46% | 992 Mbps |
| 50561, IA | 78.88% | 1,000 Mbps |
| 51433, IA | 55.50% | 588 Mbps |
| 51436, IA | 8.24% | 961 Mbps |
| 51401, IA | 0.23% | 10 Mbps |
| 51458, IA | 1.73% | 1,000 Mbps |
| 51449, IA | 1.06% | 10 Mbps |
| 51465, IA | 1.90% | 1,000 Mbps |
| 50568, IA | 0.68% | 10 Mbps |
| 50540, IA | 0.74% | 10 Mbps |