In Erwin there are 2 residential Fiber providers covering 98.82% 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 Erwin, SD.
To see availability maps for all providers including fiber, cable, DSL, and more in Erwin, SD please click below.
Fiber Internet Service Providers in Erwin
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 Erwin are not shown.
Erwin 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 Erwin is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 98.82% of Erwin. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Valley FiberCom. Call one of the companies with service in Erwin above to see who has service at your home.
How fast is fiber internet in Erwin?
The map below shows maximum fiber internet speeds by area in Erwin.

Fiber Internet Speed Key
The average Erwin 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 98.82% of residents can get.
Is fiber the fastest internet I can get in Erwin?
The fastest internet for you may vary based on where in Erwin you live. In general, fixed wireless competes most often with fiber in the city.
- Fiber is the fastest internet type for 98.82% of Erwin homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.18%.
- Satellite internet may be the only option for less than 1% of Erwin homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Erwin, along with details on where in Erwin and at what speeds.
Valley FiberCom Fiber in Erwin, SD

Valley FiberCom fiber coverage
About 88.98%, or 226 people, have Valley FiberCom fiber internet available to them in the city. The company covers the entire Erwin area. Valley FiberCom is a small internet service provider internet service providers in the US, with internet service available in most of Erwin.
Valley FiberCom fiber download speeds
Valley FiberCom is one of the fastest when comparing download speeds to all other internet providers in Erwin. Versus other fiber providers in the area, Valley FiberCom fiber is one of the fastest. There are no different maximum speeds throughout Erwin. The fastest plan anyone in Erwin can order from Valley FiberCom goes up to 1,000 Mbps, and all Erwin customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Valley FiberCom fiber upload speeds
In Erwin download speeds tend to be equal to than upload speeds for Valley FiberCom fiber. Compared to other ISPs, Valley FiberCom is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Erwin fiber providers. Valley FiberCom offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Erwin is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Interstate Telecommunications Cooperative Fiber in Erwin, SD

ITC fiber coverage
About 14.96%, or 38 people, have ITC fiber internet available to them in the city. The company covers the northeast, north, and northwest Erwin area. ITC is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Erwin.
Interstate Telecommunications Cooperative fiber download speeds
ITC is one of the fastest when comparing download speeds to all other internet providers in Erwin. Versus other fiber providers in the area, ITC fiber is one of the fastest. There are no different maximum speeds throughout Erwin. The fastest plan anyone in Erwin can order from ITC goes up to 1,000 Mbps, and all Erwin customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Interstate Telecommunications Cooperative fiber upload speeds
In Erwin download speeds tend to be equal to than upload speeds for ITC fiber. Compared to other ISPs, ITC is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Erwin fiber providers. ITC offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Erwin is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Erwin Fiber by Area
This information is most helpful to those looking for homes or considering moving to Erwin or any of the areas nearby.
How does fiber internet in Erwin compare to the rest of South Dakota?
Fiber internet speeds in Erwin are much faster versus the average speeds in South Dakota: 0.00 Mbps in South Dakota versus 1,000 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in South Dakota is 0.00% versus 98.82% in Erwin.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Erwin 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
- Bryant, SD: more fiber coverage, similar speeds
- Hetland, SD: less fiber coverage, similar speeds
- DeSmet, SD: more fiber coverage, similar speeds
- Lake Preston, SD: more fiber coverage, similar speeds
- Badger, SD: less fiber coverage, similar speeds
- Bancroft, SD: less fiber coverage, similar speeds
- Lake Norden, SD: more fiber coverage, similar speeds
- Willow Lake, SD: more fiber coverage, similar speeds
- Hayti, SD: more fiber coverage, similar speeds
- Arlington, SD: more fiber coverage, similar speeds
Cities with Similar Populations
- Ucross, WY: less fiber coverage, similar speeds
- Truxno, LA: less fiber coverage, faster speeds
- Tousey, KY: less fiber coverage, similar speeds
- Caretta, WV: less fiber coverage, similar speeds
- Capitol Hill, TN: less fiber coverage, faster speeds
- Campus, IL: less fiber coverage, faster speeds
- Cadogan, PA: more fiber coverage, similar speeds
- Butts, MO: less fiber coverage, similar speeds
- Van Cleve, IA: less fiber coverage, slower speeds
- Boissevain, VA: less fiber coverage, similar speeds


