In Decatur County there are 10 residential internet providers covering 94.44% of the county. The average home can get speeds up to 999 Mbps. Note that we may have a financial relationship with some of the providers below. This does not influence rankings, and helps us provide high-quality detailed information for free.
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10 Internet Service Providers in Decatur County
Data updated 11/14/2025, based on FCC data from 12/31/2024. This is the most current data available as of .
To avoid wasting your time, providers with less than 1% coverage in Decatur County are not shown.
Decatur County Satellite TV & Internet Providers
DISH Satellite TV
DIRECTV Satellite TV
Not sure whether to choose Dish or DIRECTV? For most people most of the time we recommend DISH. But click here to learn more.
Viasat Satellite Internet
Availability maps for all providers in Decatur County
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
Please note some providers will take longer to load than others
Internet service is available in 94.44% of Decatur County. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is GRM Networks. Now you can call companies in Decatur County with more confidence that they might be available.
How fast are internet speeds in Decatur County?
The map below shows maximum internet speeds by area in Decatur County.
Internet Speed Key
The average Decatur County home can get up to 999 Mbps on their internet plan. For most people, the fastest download speed in the county is 1,000 Mbps, which 94.36% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Decatur County.
Internet speeds tend to be faster in the southwest parts of Decatur County, and slower in the west areas of the county.
What type of internet should I choose in Decatur County?
The fastest internet for you may vary based on where in Decatur County you live. If speed is your main concern, fiber will be the fastest internet in the county.
- Fiber is the fastest internet type for 94.11% of Decatur County homes.
- Cable is fastest for less than 1% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 5.56% of Decatur County homes.
Internet Market Health in Decatur County
Internet Competition Key
The map shows how competitive the Decatur County internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Decatur County based on what connections the average home has availabile:
- Average number of internet service providers to a home: 3.7 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.4 (very unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 3.5 (unhealthy)
Overall, competition is very unhealthy.
Decatur County internet customers have the ability to buy internet service from 1 to 7 different providers, depending on where they live. For different types of service, Decatur County homes have between 1 and 3 options. The type(s) of service available are fiber, fixed wireless, cable, and dsl, though these may vary depending on the region within the county.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Decatur County internet customers who want faster speeds have between 0 and 7 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Decatur County badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Decatur County, along with details on where in Decatur County and at what speeds.
GRM Networks Fiber in Decatur County, IA
GRM Networks fiber coverage
About 94.11%, or 7,195 people, have GRM Networks fiber internet available to them in the county. The company covers the entire Decatur County area. GRM Networks is a large internet service provider internet service providers in the US, with internet service available in most of Decatur County.
GRM Networks fiber download speeds
GRM Networks is one of the fastest when comparing download speeds to all other internet providers in Decatur County. Versus other fiber providers in the area, GRM Networks fiber is the fastest. There are no different maximum speeds throughout Decatur County. The fastest plan anyone in Decatur County can order from GRM Networks goes up to 1,000 Mbps, and all Decatur County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
GRM Networks fiber upload speeds
In Decatur County download speeds tend to be equal to than upload speeds for GRM Networks fiber. Compared to other ISPs, GRM Networks is the fastest where upload speeds are concerned, and the fastest compared to other Decatur County fiber providers. GRM Networks offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Decatur County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Mediacom Cable in Decatur County, IA
Mediacom cable coverage
About 47.93%, or 3,664 people, have Mediacom cable internet available to them in the county. The company covers the southwest, central, and east Decatur County area. Mediacom is one of the largest internet service providers internet service providers in the US, with internet service available in some of Decatur County.
Mediacom cable download speeds
Mediacom is one of the fastest when comparing download speeds to all other internet providers in Decatur County. Versus other cable providers in the area, Mediacom cable is the fastest. There are no different maximum speeds throughout Decatur County. The fastest plan anyone in Decatur County can order from Mediacom goes up to 1,000 Mbps, and all Decatur County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Mediacom cable upload speeds
In Decatur County download speeds tend to be faster than than upload speeds for Mediacom cable. Compared to other ISPs, Mediacom is below average where upload speeds are concerned, and the fastest compared to other Decatur County cable providers. Mediacom offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Decatur County is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
US Cellular Fixed Wireless in Decatur County, IA
US Cellular fixed wireless coverage
About 85.35%, or 6,525 people, have US Cellular fixed wireless internet available to them in the county. The company covers the entire Decatur County area. US Cellular is one of the largest internet service providers internet service providers in the US, with internet service available in most of Decatur County.
US Cellular fixed wireless download speeds
US Cellular is below average when comparing download speeds to all other internet providers in Decatur County. Versus other fixed wireless providers in the area, US Cellular fixed wireless is below average. There are 3 different maximum speeds throughout Decatur County. The fastest plan anyone in Decatur County can order from US Cellular goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Decatur County customers is up to 56 Mbps.
Show all download speeds
- 46.1% up to 100.0 Mbps
- 31.5% up to 25.0 Mbps
- 22.4% up to 10.0 Mbps
US Cellular fixed wireless upload speeds
In Decatur County download speeds tend to be faster than than upload speeds for US Cellular fixed wireless. Compared to other ISPs, US Cellular is below average where upload speeds are concerned, and below average compared to other Decatur County fixed wireless providers. US Cellular offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Decatur County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, US Cellular customers can get speeds up to 10 Mbps.
Show all upload speeds
- 46.1% up to 20.0 Mbps
- 31.5% up to 3.0 Mbps
- 22.4% up to 1.0 Mbps
T-Mobile Home Internet Fixed Wireless in Decatur County, IA
T-Mobile Home Internet fixed wireless coverage
About 57.16%, or 4,370 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the entire Decatur County area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Decatur County.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Decatur County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Decatur County. The fastest plan anyone in Decatur County can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Decatur County customers is up to 55 Mbps.
Show all download speeds
- 39.3% up to 100.0 Mbps
- 60.7% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Decatur County download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and below average compared to other Decatur County fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Decatur County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 9.7 Mbps.
Show all upload speeds
- 39.3% up to 20.0 Mbps
- 60.7% up to 3.0 Mbps
EarthLink Fixed Wireless in Decatur County, IA
EarthLink fixed wireless coverage
About 24.72%, or 1,890 people, have EarthLink fixed wireless internet available to them in the county. The company covers the southwest and south Decatur County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Decatur County.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Decatur County. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are 2 different maximum speeds throughout Decatur County. The fastest plan anyone in Decatur County can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Decatur County customers is up to 29 Mbps.
Show all download speeds
- 5.9% up to 100.0 Mbps
- 94.1% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Decatur County download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Decatur County fixed wireless providers. EarthLink offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Decatur County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 4.0 Mbps.
Show all upload speeds
- 5.9% up to 20.0 Mbps
- 94.1% up to 3.0 Mbps
AT&T Fixed Wireless in Decatur County, IA
AT&T fixed wireless coverage
About 24.72%, or 1,890 people, have AT&T fixed wireless internet available to them in the county. The company covers the southwest and south Decatur County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Decatur County.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Decatur County. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are 2 different maximum speeds throughout Decatur County. The fastest plan anyone in Decatur County can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Decatur County customers is up to 29 Mbps.
Show all download speeds
- 5.9% up to 100.0 Mbps
- 94.1% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Decatur County download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other Decatur County fixed wireless providers. AT&T offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Decatur County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 4.0 Mbps.
Show all upload speeds
- 5.9% up to 20.0 Mbps
- 94.1% up to 3.0 Mbps
BST Wifi Fixed Wireless in Decatur County, IA
BST Wifi fixed wireless coverage
About 14.40%, or 1,101 people, have BST Wifi fixed wireless internet available to them in the county. The company covers the southwest, northeast, northwest, west, and east Decatur County area. BST Wifi is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Decatur County.
BST Wifi fixed wireless download speeds
BST Wifi is below average when comparing download speeds to all other internet providers in Decatur County. Versus other fixed wireless providers in the area, BST Wifi fixed wireless is below average. There are 4 different maximum speeds throughout Decatur County. The fastest plan anyone in Decatur County can order from BST Wifi goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Decatur County customers is up to 80 Mbps.
Show all download speeds
- 65.1% up to 100.0 Mbps
- 23.7% up to 50.0 Mbps
- 1.1% up to 30.0 Mbps
- 10.1% up to 25.0 Mbps
BST Wifi fixed wireless upload speeds
In Decatur County download speeds tend to be faster than than upload speeds for BST Wifi fixed wireless. Compared to other ISPs, BST Wifi is below average where upload speeds are concerned, and below average compared to other Decatur County fixed wireless providers. BST Wifi offers 6 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Decatur County is up to 100 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, BST Wifi customers can get speeds up to 24 Mbps.
Show all upload speeds
- 3.5% up to 100.0 Mbps
- 52.3% up to 25.0 Mbps
- 33.0% up to 20.0 Mbps
- 1.1% up to 10.0 Mbps
- 1.5% up to 5.0 Mbps
- 8.6% up to 3.0 Mbps
Nextlink Fixed Wireless in Decatur County, IA
Nextlink fixed wireless coverage
About 3.17%, or 242 people, have Nextlink fixed wireless internet available to them in the county. The company covers the southwest, west, and northwest Decatur County area. Nextlink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Decatur County.
Nextlink fixed wireless download speeds
Nextlink is above average when comparing download speeds to all other internet providers in Decatur County. Versus other fixed wireless providers in the area, Nextlink fixed wireless is the fastest. There are 5 different maximum speeds throughout Decatur County. The fastest plan anyone in Decatur County can order from Nextlink goes up to 1,000 Mbps, the slowest package only goes up to 100 Mbps, and the county-wide average maximum speed for Decatur County customers is up to 825 Mbps.
Show all download speeds
- 72.7% up to 1,000.0 Mbps
- 13.6% up to 500.0 Mbps
- 5.8% up to 300.0 Mbps
- 4.5% up to 200.0 Mbps
- 3.3% up to 100.0 Mbps
Nextlink fixed wireless upload speeds
In Decatur County download speeds tend to be faster than than upload speeds for Nextlink fixed wireless. Compared to other ISPs, Nextlink is above average where upload speeds are concerned, and the fastest compared to other Decatur County fixed wireless providers. Nextlink offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Decatur County is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 20 Mbps. On average, Nextlink customers can get speeds up to 766 Mbps.
Show all upload speeds
- 72.7% up to 1,000.0 Mbps
- 13.6% up to 200.0 Mbps
- 10.3% up to 100.0 Mbps
- 3.3% up to 20.0 Mbps
Decatur County Internet by Area
This information is most helpful to those looking for homes or considering moving to Decatur County or any of the areas nearby.
How does internet in Decatur County compare to the rest of Iowa?
Internet speeds in Decatur County are slower versus the average speeds in Iowa: 2,759 Mbps in Iowa versus 999 Mbps in the county. The state has similar internet availability compared to the county. Average internet coverage in Iowa is 98.80% versus 94.44% in Decatur County.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Decatur County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service look like in other counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Ringgold County, IA: more internet coverage, slower speeds
- Wayne County, IA: more internet coverage, slower speeds
- Taylor County, IA: more internet coverage, slower speeds
- Appanoose County, IA: more internet coverage, faster speeds
- Page County, IA: more internet coverage, slower speeds
- Davis County, IA: more internet coverage, slower speeds
- Fremont County, IA: more internet coverage, faster speeds
- Van Buren County, IA: more internet coverage, slower speeds
- Otoe County, NE: more internet coverage, faster speeds
- Des Moines County, IA: more internet coverage, slower speeds
Counties with Similar Populations
- Niobrara County, WY: less internet coverage, faster speeds
- Lexington City, VA: less internet coverage, faster speeds
- Liberty County, FL: less internet coverage, slower speeds
- Liberty County, MT: more internet coverage, slower speeds
- Lincoln County, AR: less internet coverage, slower speeds
- Linn County, MO: more internet coverage, slower speeds
- Little River County, AR: more internet coverage, slower speeds
- Livingston County, MO: more internet coverage, slower speeds
- Long County, GA: more internet coverage, faster speeds
- Lyon County, KY: more internet coverage, slower speeds