In Decatur City there is 1 residential Fiber provider covering 95.20% of the city. The average home can get speeds up to 1,000 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.
This page contains all Fiber internet providers in Decatur City, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Decatur City, IA please click below.
Decatur City, IA Availability Maps
Fiber Internet Service Provider in Decatur City
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 City are not shown.
Decatur City 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
Where in Decatur City is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 95.20% of Decatur City. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is GRM Networks. Call one of the companies with service in Decatur City above to see who has service at your home.
How fast is fiber internet in Decatur City?
The map below shows maximum fiber internet speeds by area in Decatur City.
Fiber Internet Speed Key
The average Decatur City home can get up to 1,000 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 1,000 Mbps, which 95.20% of residents can get.
Is fiber the fastest internet I can get in Decatur City?
The fastest internet for you may vary based on where in Decatur City you live. In general, satellite competes most often with fiber in the city.
- Fiber is the fastest internet type for 95.20% of Decatur City homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 4.80% of Decatur City homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Decatur City, along with details on where in Decatur City and at what speeds.
GRM Networks Fiber in Decatur City, IA
GRM Networks fiber coverage
About 95.20%, or 218 people, have GRM Networks fiber internet available to them in the city. The company covers the entire Decatur City area. GRM Networks is a large internet service provider internet service providers in the US, with internet service available in most of Decatur City.
GRM Networks fiber download speeds
GRM Networks is one of the fastest when comparing download speeds to all other internet providers in Decatur City. Versus other fiber providers in the area, GRM Networks fiber is the fastest. There are no different maximum speeds throughout Decatur City. The fastest plan anyone in Decatur City can order from GRM Networks goes up to 1,000 Mbps, and all Decatur City customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
GRM Networks fiber upload speeds
In Decatur City 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 City fiber providers. GRM Networks offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Decatur City is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Decatur City Fiber by Area
This information is most helpful to those looking for homes or considering moving to Decatur City or any of the areas nearby.
How does fiber internet in Decatur City compare to the rest of Iowa?
Fiber internet speeds in Decatur City are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 1,000 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Iowa is 0.00% versus 95.20% in Decatur City.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Decatur City are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber internet look like in other cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Decatur, IA: more fiber coverage, similar speeds
- Leon, IA: more fiber coverage, similar speeds
- Davis City, IA: more fiber coverage, similar speeds
- Lamoni, IA: less fiber coverage, similar speeds
- Van Wert, IA: less fiber coverage, similar speeds
- Grand River, IA: more fiber coverage, similar speeds
- Kellerton, IA: less fiber coverage, similar speeds
- Pleasanton, IA: more fiber coverage, similar speeds
- Woodland, IA: more fiber coverage, similar speeds
- High Point, IA: more fiber coverage, similar speeds
Cities with Similar Populations
- Pleasant Ridge, KY: more fiber coverage, faster speeds
- Monford, KY: more fiber coverage, similar speeds
- Monse, WA: less fiber coverage, similar speeds
- Monterville, WV: less fiber coverage, faster speeds
- Perry Mills, NY: less fiber coverage, slower speeds
- Perth, VA: less fiber coverage, similar speeds
- Piney Grove, AL: more fiber coverage, similar speeds
- Pitt, MN: less fiber coverage, slower speeds
- Plano, IA: less fiber coverage, similar speeds
- Pleasant Bend, OH: less fiber coverage, similar speeds