In Williamstown there are 10 residential internet providers covering 100.00% 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.
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10 Internet Service Providers in Williamstown
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 Williamstown are not shown.
Williamstown 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 Williamstown
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.
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Internet service is available in 100.00% of Williamstown. 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 KCTC. Now you can call companies in Williamstown with more confidence that they might be available.
How fast are internet speeds in Williamstown?
The map below shows maximum internet speeds by area in Williamstown.

Internet Speed Key
The average Williamstown home can get up to 1,000 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 100.00% of residents can get.
What type of internet should I choose in Williamstown?
The fastest internet for you may vary based on where in Williamstown you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 100.00% of Williamstown 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 less than 1% of Williamstown homes.
Internet Market Health in Williamstown

Internet Competition Key
The map shows how competitive the Williamstown 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 Williamstown based on what connections the average home has availabile:
- Average number of internet service providers to a home: 4.2 (unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.0 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 3.9 (unhealthy)
Overall, competition is unhealthy.
Williamstown internet customers have the ability to buy internet service from 3 to 6 different providers, depending on where they live. For different types of service, Williamstown homes have 2 options. The type(s) of service available are fixed wireless and fiber, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Williamstown internet customers who want faster speeds have between 2 and 5 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, Williamstown needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Williamstown, along with details on where in Williamstown and at what speeds.
KCTC Fiber in Williamstown, IA

KCTC fiber coverage
About 68.73%, or 655 people, have KCTC fiber internet available to them in the city. The company covers the south, southeast, east, southwest, central, and west Williamstown area. KCTC is a large internet service provider internet service providers in the US, with internet service available in much of Williamstown.
KCTC fiber download speeds
KCTC is one of the fastest when comparing download speeds to all other internet providers in Williamstown. Versus other fiber providers in the area, KCTC fiber is one of the fastest. There are no different maximum speeds throughout Williamstown. The fastest plan anyone in Williamstown can order from KCTC goes up to 1,000 Mbps, and all Williamstown customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
KCTC fiber upload speeds
In Williamstown download speeds tend to be equal to than upload speeds for KCTC fiber. Compared to other ISPs, KCTC is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Williamstown fiber providers. KCTC offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Williamstown is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Sharon Telephone Company Fiber in Williamstown, IA

Sharon Telephone Company fiber coverage
About 52.15%, or 497 people, have Sharon Telephone Company fiber internet available to them in the city. The company covers the east, northeast, north, southwest, southeast, central, west, and northwest Williamstown area. Sharon Telephone Company is a small internet service provider internet service providers in the US, with internet service available in a majority of Williamstown.
Sharon Telephone Company fiber download speeds
Sharon Telephone Company is one of the fastest when comparing download speeds to all other internet providers in Williamstown. Versus other fiber providers in the area, Sharon Telephone Company fiber is one of the fastest. There are no different maximum speeds throughout Williamstown. The fastest plan anyone in Williamstown can order from Sharon Telephone Company goes up to 1,000 Mbps, and all Williamstown customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Sharon Telephone Company fiber upload speeds
In Williamstown download speeds tend to be equal to than upload speeds for Sharon Telephone Company fiber. Compared to other ISPs, Sharon Telephone Company is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Williamstown fiber providers. Sharon Telephone Company offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Williamstown is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Wellman Telephone Cooperative Association Fiber in Williamstown, IA

Wellman Telephone Cooperative Association fiber coverage
About 21.09%, or 201 people, have Wellman Telephone Cooperative Association fiber internet available to them in the city. The company covers the west, southwest, and northwest Williamstown area. Wellman Telephone Cooperative Association is a small internet service provider internet service providers in the US, with internet service available in a small portion of Williamstown.
Wellman Telephone Cooperative Association fiber download speeds
Wellman Telephone Cooperative Association is one of the fastest when comparing download speeds to all other internet providers in Williamstown. Versus other fiber providers in the area, Wellman Telephone Cooperative Association fiber is one of the fastest. There are no different maximum speeds throughout Williamstown. The fastest plan anyone in Williamstown can order from Wellman Telephone Cooperative Association goes up to 1,000 Mbps, and all Williamstown customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Wellman Telephone Cooperative Association fiber upload speeds
In Williamstown download speeds tend to be equal to than upload speeds for Wellman Telephone Cooperative Association fiber. Compared to other ISPs, Wellman Telephone Cooperative Association is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Williamstown fiber providers. Wellman Telephone Cooperative Association offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Williamstown is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
US Cellular Fixed Wireless in Williamstown, IA

US Cellular fixed wireless coverage
About 100.00%, or 953 people, have US Cellular fixed wireless internet available to them in the city. The company covers the entire Williamstown area. US Cellular is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Williamstown.
US Cellular fixed wireless download speeds
US Cellular is the slowest when comparing download speeds to all other internet providers in Williamstown. Versus other fixed wireless providers in the area, US Cellular fixed wireless is the slowest. There are 3 different maximum speeds throughout Williamstown. The fastest plan anyone in Williamstown can order from US Cellular goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Williamstown customers is up to 26 Mbps.
Show all download speeds
- 7.8% up to 100.0 Mbps
- 59.5% up to 25.0 Mbps
- 32.7% up to 10.0 Mbps
US Cellular fixed wireless upload speeds
In Williamstown download speeds tend to be faster than than upload speeds for US Cellular fixed wireless. Compared to other ISPs, US Cellular is the slowest where upload speeds are concerned, and the slowest compared to other Williamstown fixed wireless providers. US Cellular offers 3 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 Williamstown 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 3.7 Mbps.
Show all upload speeds
- 7.8% up to 20.0 Mbps
- 59.5% up to 3.0 Mbps
- 32.7% up to 1.0 Mbps
T-Mobile Home Internet Fixed Wireless in Williamstown, IA

T-Mobile Home Internet fixed wireless coverage
About 97.90%, or 933 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Williamstown area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of Williamstown.
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 Williamstown. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Williamstown. The fastest plan anyone in Williamstown can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Williamstown customers is up to 76 Mbps.
Show all download speeds
- 68.6% up to 100.0 Mbps
- 31.4% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Williamstown 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 Williamstown fixed wireless providers. T-Mobile Home Internet 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 Williamstown 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 15 Mbps.
Show all upload speeds
- 68.6% up to 20.0 Mbps
- 31.4% up to 3.0 Mbps
Verizon Fixed Wireless in Williamstown, IA

Verizon fixed wireless coverage
About 47.43%, or 452 people, have Verizon fixed wireless internet available to them in the city. The company covers the south, southeast, east, and southwest Williamstown area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in some of Williamstown.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Williamstown. Versus other fixed wireless providers in the area, Verizon fixed wireless is above average. There are no different maximum speeds throughout Williamstown. The fastest plan anyone in Williamstown can order from Verizon goes up to 300 Mbps, and all Williamstown customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Williamstown download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and below average compared to other Williamstown fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Williamstown is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Nextlink Fixed Wireless in Williamstown, IA

Nextlink fixed wireless coverage
About 30.75%, or 293 people, have Nextlink fixed wireless internet available to them in the city. The company covers the southwest, west, south, and central Williamstown area. Nextlink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Williamstown.
Nextlink fixed wireless download speeds
Nextlink is below average when comparing download speeds to all other internet providers in Williamstown. Versus other fixed wireless providers in the area, Nextlink fixed wireless is the fastest. There are 3 different maximum speeds throughout Williamstown. The fastest plan anyone in Williamstown can order from Nextlink goes up to 500 Mbps, the slowest package only goes up to 300 Mbps, and the city-wide average maximum speed for Williamstown customers is up to 391 Mbps.
Show all download speeds
- 15.0% up to 500.0 Mbps
- 61.4% up to 400.0 Mbps
- 23.5% up to 300.0 Mbps
Nextlink fixed wireless upload speeds
In Williamstown download speeds tend to be faster than than upload speeds for Nextlink fixed wireless. Compared to other ISPs, Nextlink is below average where upload speeds are concerned, and the fastest compared to other Williamstown fixed wireless providers. Nextlink 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 Williamstown is up to 100 Mbps. Some customers have slower plan choices, which only go up to 75 Mbps. On average, Nextlink customers can get speeds up to 94 Mbps.
Show all upload speeds
- 76.5% up to 100.0 Mbps
- 23.5% up to 75.0 Mbps
Windstream Fixed Wireless in Williamstown, IA

Windstream fixed wireless coverage
About 1.99%, or 19 people, have Windstream fixed wireless internet available to them in the city. The company covers the northwest Williamstown area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Williamstown.
Windstream fixed wireless download speeds
Windstream is below average when comparing download speeds to all other internet providers in Williamstown. Versus other fixed wireless providers in the area, Windstream fixed wireless is below average. There are no different maximum speeds throughout Williamstown. The fastest plan anyone in Williamstown can order from Windstream goes up to 75 Mbps, and all Williamstown customers can get this speed.
Show all download speeds
- 100.0% up to 75.0 Mbps
Windstream fixed wireless upload speeds
In Williamstown download speeds tend to be faster than than upload speeds for Windstream fixed wireless. Compared to other ISPs, Windstream is below average where upload speeds are concerned, and below average compared to other Williamstown fixed wireless providers. Windstream offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Williamstown is up to 10 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10.0 Mbps
Williamstown Internet by Area
This information is most helpful to those looking for homes or considering moving to Williamstown or any of the areas nearby.
How does internet in Williamstown compare to the rest of Iowa?
Internet speeds in Williamstown are slower versus the average speeds in Iowa: 2,759 Mbps in Iowa versus 1,000 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Iowa is 98.80% versus 100.00% in Williamstown.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Williamstown 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 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
- Kalona, IA: equal internet coverage, similar speeds
- Sharon Center, IA: equal internet coverage, similar speeds
- Windham, IA: equal internet coverage, slower speeds
- Wellman, IA: equal internet coverage, slower speeds
- Richmond, IA: equal internet coverage, similar speeds
- Riverside, IA: equal internet coverage, similar speeds
- Hills, IA: equal internet coverage, slower speeds
- Parnell, IA: equal internet coverage, slower speeds
- Oxford, IA: less internet coverage, slower speeds
- Tiffin, IA: equal internet coverage, slower speeds
Cities with Similar Populations
- Footville, WI: equal internet coverage, slower speeds
- Swifton, AR: less internet coverage, faster speeds
- Sumner, OR: less internet coverage, slower speeds
- Sulphur, SD: equal internet coverage, faster speeds
- Stratton, CO: less internet coverage, slower speeds
- Strasburg, IL: less internet coverage, faster speeds
- Greenwood, IL: equal internet coverage, faster speeds
- Goretown, SC: equal internet coverage, faster speeds
- Golden, MO: equal internet coverage, slower speeds
- Golden Beach, FL: equal internet coverage, faster speeds


