In Greenfield there are 3 residential Fiber providers covering 77.52% of the city. The average home can get speeds up to 887 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 Greenfield, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Greenfield, IA please click below.
Greenfield, IA Availability Maps
Fiber Internet Service Providers in Greenfield
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 Greenfield are not shown.
Greenfield 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 Greenfield is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 77.52% of Greenfield. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Windstream. Call one of the companies with service in Greenfield above to see who has service at your home.
How fast is fiber internet in Greenfield?
The map below shows maximum fiber internet speeds by area in Greenfield.
Fiber Internet Speed Key
The average Greenfield home can get up to 887 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 1,000 Mbps, which 62.60% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.23% of homes can only purchase plans up to 100 Mbps. See the internet provider details below for info about their speed and coverage in Greenfield.
Fiber internet speeds tend to be faster in the west parts of Greenfield, and slower in the east areas of the city.
Is fiber the fastest internet I can get in Greenfield?
The fastest internet for you may vary based on where in Greenfield you live. In general, fixed wireless competes most often with fiber in the city.
- Fiber is the fastest internet type for 62.80% of Greenfield homes.
- Cable is fastest for 15.04% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 21.92%.
- Satellite internet may be the only option for less than 1% of Greenfield homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Greenfield, along with details on where in Greenfield and at what speeds.
Windstream Fiber in Greenfield, IA
Windstream fiber coverage
About 62.60%, or 1,548 people, have Windstream fiber internet available to them in the city. The company covers the west, south, southwest, north, northwest, central, and southeast Greenfield area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Greenfield.
Windstream fiber download speeds
Windstream is one of the fastest when comparing download speeds to all other internet providers in Greenfield. Versus other fiber providers in the area, Windstream fiber is the fastest. There are no different maximum speeds throughout Greenfield. The fastest plan anyone in Greenfield can order from Windstream goes up to 1,000 Mbps, and all Greenfield customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Windstream fiber upload speeds
In Greenfield download speeds tend to be equal to than upload speeds for Windstream fiber. Compared to other ISPs, Windstream is the fastest where upload speeds are concerned, and the fastest compared to other Greenfield fiber providers. Windstream offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Greenfield is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Coon Valley Cooperative Telephone Association Fiber in Greenfield, IA
Coon Valley Cooperative Telephone Association fiber coverage
About 20.18%, or 499 people, have Coon Valley Cooperative Telephone Association fiber internet available to them in the city. The company covers the south, east, northeast, southeast, north, and central Greenfield area. Coon Valley Cooperative Telephone Association is a small internet service provider internet service providers in the US, with internet service available in a small portion of Greenfield.
Coon Valley Cooperative Telephone Association fiber download speeds
Coon Valley Cooperative Telephone Association is above average when comparing download speeds to all other internet providers in Greenfield. Versus other fiber providers in the area, Coon Valley Cooperative Telephone Association fiber is below average. There are no different maximum speeds throughout Greenfield. The fastest plan anyone in Greenfield can order from Coon Valley Cooperative Telephone Association goes up to 500 Mbps, and all Greenfield customers can get this speed.
Show all download speeds
- 100.0% up to 500.0 Mbps
Coon Valley Cooperative Telephone Association fiber upload speeds
In Greenfield download speeds tend to be equal to than upload speeds for Coon Valley Cooperative Telephone Association fiber. Compared to other ISPs, Coon Valley Cooperative Telephone Association is above average where upload speeds are concerned, and below average compared to other Greenfield fiber providers. Coon Valley Cooperative Telephone Association offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Greenfield is up to 500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 500.0 Mbps
Cumberland Telephone Company Fiber in Greenfield, IA
Cumberland Telephone Company fiber coverage
About 6.55%, or 162 people, have Cumberland Telephone Company fiber internet available to them in the city. The company covers the northwest, southwest, and west Greenfield area. Cumberland Telephone Company is one of the smallest internet service providers internet service providers in the US, with internet service available in a very small piece of Greenfield.
Cumberland Telephone Company fiber download speeds
Cumberland Telephone Company is below average when comparing download speeds to all other internet providers in Greenfield. Versus other fiber providers in the area, Cumberland Telephone Company fiber is the slowest. There are no different maximum speeds throughout Greenfield. The fastest plan anyone in Greenfield can order from Cumberland Telephone Company goes up to 100 Mbps, and all Greenfield customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Cumberland Telephone Company fiber upload speeds
In Greenfield download speeds tend to be equal to than upload speeds for Cumberland Telephone Company fiber. Compared to other ISPs, Cumberland Telephone Company is below average where upload speeds are concerned, and the slowest compared to other Greenfield fiber providers. Cumberland Telephone Company offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Greenfield is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
Greenfield Fiber by Area
This information is most helpful to those looking for homes or considering moving to Greenfield or any of the areas nearby.
How does fiber internet in Greenfield compare to the rest of Iowa?
Fiber internet speeds in Greenfield are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 887 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Iowa is 0.00% versus 77.52% in Greenfield.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Greenfield 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
- Fontanelle, IA: more fiber coverage, slower speeds
- Orient, IA: less fiber coverage, slower speeds
- Howe, IA: less fiber coverage, slower speeds
- Nevinville, IA: more fiber coverage, slower speeds
- Bridgewater, IA: more fiber coverage, slower speeds
- Spaulding, IA: less fiber coverage, faster speeds
- Berea, IA: more fiber coverage, faster speeds
- Casey, IA: less fiber coverage, faster speeds
- Stuart, IA: less fiber coverage, slower speeds
- Pitzer, IA: less fiber coverage, slower speeds
Cities with Similar Populations
- Ameagle, WV: less fiber coverage, faster speeds
- Center City, MN: less fiber coverage, faster speeds
- Carmel, ME: less fiber coverage, faster speeds
- Big Timber, MT: more fiber coverage, slower speeds
- Backus, MN: less fiber coverage, faster speeds
- Windsor, ME: less fiber coverage, faster speeds
- Linesville, PA: more fiber coverage, faster speeds
- Lynne, FL: less fiber coverage, faster speeds
- Maple Park, IL: less fiber coverage, faster speeds
- Seligman, MO: more fiber coverage, faster speeds