In Sumner there are 6 residential Fiber providers covering 83.60% of the city. The average home can get speeds up to 1,272 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 Sumner, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Sumner, IA please click below.
Fiber Internet Service Providers in Sumner
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 Sumner are not shown.
Sumner 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 Sumner is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 83.60% of Sumner. 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 Sumner above to see who has service at your home.
How fast is fiber internet in Sumner?
The map below shows maximum fiber internet speeds by area in Sumner.

Fiber Internet Speed Key
The average Sumner home can get up to 1,272 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 2,000 Mbps, which 23.47% 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 100 Mbps. See the internet provider details below for info about their speed and coverage in Sumner.
Fiber internet speeds tend to be faster in the east parts of Sumner, and slower in the south areas of the city.
Is fiber the fastest internet I can get in Sumner?
The fastest internet for you may vary based on where in Sumner you live. In general, fixed wireless competes most often with fiber in the city.
- Fiber is the fastest internet type for 82.74% of Sumner homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 17.13%.
- Satellite internet may be the only option for less than 1% of Sumner homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Sumner, along with details on where in Sumner and at what speeds.
Community Digital Networks Fiber in Sumner, IA

Community Digital Networks fiber coverage
About 70.45%, or 2,143 people, have Community Digital Networks fiber internet available to them in the city. The company covers the central, east, northeast, and north Sumner area. Community Digital Networks is a small internet service provider internet service providers in the US, with internet service available in much of Sumner.
Community Digital Networks fiber download speeds
Community Digital Networks is above average when comparing download speeds to all other internet providers in Sumner. Versus other fiber providers in the area, Community Digital Networks fiber is above average. There are no different maximum speeds throughout Sumner. The fastest plan anyone in Sumner can order from Community Digital Networks goes up to 1,000 Mbps, and all Sumner customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Community Digital Networks fiber upload speeds
In Sumner download speeds tend to be equal to than upload speeds for Community Digital Networks fiber. Compared to other ISPs, Community Digital Networks is above average where upload speeds are concerned, and above average compared to other Sumner fiber providers. Community Digital Networks offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sumner is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Windstream Fiber in Sumner, IA

Windstream fiber coverage
About 53.35%, or 1,623 people, have Windstream fiber internet available to them in the city. The company covers the central, east, northeast, and north Sumner area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Sumner.
Windstream fiber download speeds
Windstream is the fastest when comparing download speeds to all other internet providers in Sumner. Versus other fiber providers in the area, Windstream fiber is the fastest. There are 2 different maximum speeds throughout Sumner. The fastest plan anyone in Sumner can order from Windstream goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Sumner customers is up to 1,440 Mbps.
Show all download speeds
- 44.0% up to 2,000.0 Mbps
- 56.0% up to 1,000.0 Mbps
Windstream fiber upload speeds
In Sumner 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 Sumner fiber providers. Windstream offers 2 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Sumner is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, Windstream customers can get speeds up to 1,440 Mbps.
Show all upload speeds
- 44.0% up to 2,000.0 Mbps
- 56.0% up to 1,000.0 Mbps
Hawkeye Telephone Company Fiber in Sumner, IA

Hawkeye Telephone Company fiber coverage
About 6.34%, or 193 people, have Hawkeye Telephone Company fiber internet available to them in the city. The company covers the northeast and east Sumner area. Hawkeye Telephone Company is a small internet service provider internet service providers in the US, with internet service available in a very small piece of Sumner.
Hawkeye Telephone Company fiber download speeds
Hawkeye Telephone Company is above average when comparing download speeds to all other internet providers in Sumner. Versus other fiber providers in the area, Hawkeye Telephone Company fiber is above average. There are no different maximum speeds throughout Sumner. The fastest plan anyone in Sumner can order from Hawkeye Telephone Company goes up to 1,000 Mbps, and all Sumner customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Hawkeye Telephone Company fiber upload speeds
In Sumner download speeds tend to be equal to than upload speeds for Hawkeye Telephone Company fiber. Compared to other ISPs, Hawkeye Telephone Company is above average where upload speeds are concerned, and above average compared to other Sumner fiber providers. Hawkeye Telephone Company offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sumner is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Butler Bremer Communications Fiber in Sumner, IA

Butler Bremer Communications fiber coverage
About 3.91%, or 119 people, have Butler Bremer Communications fiber internet available to them in the city. The company covers the southwest, northwest, and west Sumner area. Butler Bremer Communications is an average-sized internet service provider internet service providers in the US, with internet service available in a very small piece of Sumner.
Butler Bremer Communications fiber download speeds
Butler Bremer Communications is above average when comparing download speeds to all other internet providers in Sumner. Versus other fiber providers in the area, Butler Bremer Communications fiber is above average. There are no different maximum speeds throughout Sumner. The fastest plan anyone in Sumner can order from Butler Bremer Communications goes up to 1,000 Mbps, and all Sumner customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Butler Bremer Communications fiber upload speeds
In Sumner download speeds tend to be equal to than upload speeds for Butler Bremer Communications fiber. Compared to other ISPs, Butler Bremer Communications is above average where upload speeds are concerned, and above average compared to other Sumner fiber providers. Butler Bremer Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sumner is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
RTC Comunications Fiber in Sumner, IA

RTC Comunications fiber coverage
About 3.29%, or 100 people, have RTC Comunications fiber internet available to them in the city. The company covers the southwest and south Sumner area. RTC Comunications is a small internet service provider internet service providers in the US, with internet service available in a very small piece of Sumner.
RTC Comunications fiber download speeds
RTC Comunications is above average when comparing download speeds to all other internet providers in Sumner. Versus other fiber providers in the area, RTC Comunications fiber is above average. There are no different maximum speeds throughout Sumner. The fastest plan anyone in Sumner can order from RTC Comunications goes up to 1,000 Mbps, and all Sumner customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
RTC Comunications fiber upload speeds
In Sumner download speeds tend to be equal to than upload speeds for RTC Comunications fiber. Compared to other ISPs, RTC Comunications is above average where upload speeds are concerned, and above average compared to other Sumner fiber providers. RTC Comunications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sumner is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Oran Mutual Telephone Company Fiber in Sumner, IA

Oran Mutual Telephone Company fiber coverage
About 1.64%, or 50 people, have Oran Mutual Telephone Company fiber internet available to them in the city. The company covers the south Sumner area. Oran Mutual 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 Sumner.
Oran Mutual Telephone Company fiber download speeds
Oran Mutual Telephone Company is below average when comparing download speeds to all other internet providers in Sumner. Versus other fiber providers in the area, Oran Mutual Telephone Company fiber is the slowest. There are no different maximum speeds throughout Sumner. The fastest plan anyone in Sumner can order from Oran Mutual Telephone Company goes up to 100 Mbps, and all Sumner customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Oran Mutual Telephone Company fiber upload speeds
In Sumner download speeds tend to be equal to than upload speeds for Oran Mutual Telephone Company fiber. Compared to other ISPs, Oran Mutual Telephone Company is below average where upload speeds are concerned, and the slowest compared to other Sumner fiber providers. Oran Mutual Telephone Company offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sumner is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
Sumner Fiber by Area
This information is most helpful to those looking for homes or considering moving to Sumner or any of the areas nearby.
How does fiber internet in Sumner compare to the rest of Iowa?
Fiber internet speeds in Sumner are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 1,272 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Iowa is 0.00% versus 83.60% in Sumner.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Sumner 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
- Westgate, IA: less fiber coverage, slower speeds
- Tripoli, IA: more fiber coverage, slower speeds
- Fredericksburg, IA: less fiber coverage, slower speeds
- Oran, IA: more fiber coverage, slower speeds
- Alpha, IA: less fiber coverage, slower speeds
- Randalia, IA: less fiber coverage, slower speeds
- Frederika, IA: more fiber coverage, slower speeds
- Hawkeye, IA: more fiber coverage, slower speeds
- Donnan, IA: more fiber coverage, slower speeds
- Knittel, IA: more fiber coverage, slower speeds
Cities with Similar Populations
- Astatula, FL: less fiber coverage, slower speeds
- Cambridge City, IN: less fiber coverage, slower speeds
- Waterflow, NM: less fiber coverage, slower speeds
- Ruidoso Downs, NM: less fiber coverage, faster speeds
- Liverpool, PA: less fiber coverage, slower speeds
- McAlisterville, PA: less fiber coverage, slower speeds
- New Bloomfield, MO: more fiber coverage, slower speeds
- Onaway, MI: more fiber coverage, faster speeds
- Paden City, WV: more fiber coverage, faster speeds
- Piedmont, SD: less fiber coverage, faster speeds


