In Denison there are 12 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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12 Internet Service Providers in Denison
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 Denison are not shown.
Denison 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 Denison
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 Denison. 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 Mediacom. Now you can call companies in Denison with more confidence that they might be available.
How fast are internet speeds in Denison?
The map below shows maximum internet speeds by area in Denison.
Internet Speed Key
The average Denison 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 99.97% 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 10 Mbps. See the internet provider details below for info about their speed and coverage in Denison.
Internet speeds tend to be faster in the northeast parts of Denison, and slower in the southwest areas of the city.
What type of internet should I choose in Denison?
The fastest internet for you may vary based on where in Denison you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 80.68% of Denison homes.
- Cable is fastest for 5.44% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 13.85%.
- Satellite internet may be the only option for less than 1% of Denison homes.
Internet Market Health in Denison
Internet Competition Key
The map shows how competitive the Denison 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 Denison based on what connections the average home has availabile:
- Average number of internet service providers to a home: 8.4 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.5 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 7.7 (very healthy)
Overall, competition is very healthy.
Denison internet customers have the ability to buy internet service from 1 to 10 different providers, depending on where they live. For different types of service, Denison homes have between 1 and 4 options. The type(s) of service available are fixed wireless, cable, fiber, and dsl, 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. Denison internet customers who want faster speeds have between 0 and 10 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, Denison is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Denison, along with details on where in Denison and at what speeds.
Mediacom Cable in Denison, IA
Mediacom cable coverage
About 94.17%, or 8,528 people, have Mediacom cable internet available to them in the city. The company covers the entire Denison area. Mediacom is one of the largest internet service providers internet service providers in the US, with internet service available in most of Denison.
Mediacom cable download speeds
Mediacom is one of the fastest when comparing download speeds to all other internet providers in Denison. Versus other cable providers in the area, Mediacom cable is the fastest. There are no different maximum speeds throughout Denison. The fastest plan anyone in Denison can order from Mediacom goes up to 1,000 Mbps, and all Denison customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Mediacom cable upload speeds
In Denison download speeds tend to be faster than than upload speeds for Mediacom cable. Compared to other ISPs, Mediacom is below average where upload speeds are concerned, and the fastest compared to other Denison cable providers. Mediacom offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Denison is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
BTC Broadband Fiber in Denison, IA
BTC Broadband fiber coverage
About 80.68%, or 7,306 people, have BTC Broadband fiber internet available to them in the city. The company covers the entire Denison area. BTC Broadband is a large internet service provider internet service providers in the US, with internet service available in much of Denison.
BTC Broadband fiber download speeds
BTC Broadband is one of the fastest when comparing download speeds to all other internet providers in Denison. Versus other fiber providers in the area, BTC Broadband fiber is the fastest. There are no different maximum speeds throughout Denison. The fastest plan anyone in Denison can order from BTC Broadband goes up to 1,000 Mbps, and all Denison customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
BTC Broadband fiber upload speeds
In Denison download speeds tend to be equal to than upload speeds for BTC Broadband fiber. Compared to other ISPs, BTC Broadband is the fastest where upload speeds are concerned, and the fastest compared to other Denison fiber providers. BTC Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Denison is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Frontier Communications DSL in Denison, IA
Frontier DSL coverage
About 77.86%, or 7,051 people, have Frontier DSL internet available to them in the city. The company covers the entire Denison area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in much of Denison.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in Denison. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 5 different maximum speeds throughout Denison. The fastest plan anyone in Denison can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Denison customers is up to 20 Mbps.
Show all download speeds
- 2.6% up to 115.0 Mbps
- 0.9% up to 90.0 Mbps
- 0.9% up to 70.0 Mbps
- 17.5% up to 45.0 Mbps
- 78.1% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Denison download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is the slowest where upload speeds are concerned, and the fastest compared to other Denison DSL providers. Frontier offers 4 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 Denison is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 1.6 Mbps.
Show all upload speeds
- 2.6% up to 7.0 Mbps
- 0.9% up to 5.0 Mbps
- 18.5% up to 3.0 Mbps
- 78.1% up to 1.0 Mbps
Nextlink Fixed Wireless in Denison, IA
Nextlink fixed wireless coverage
About 97.82%, or 8,859 people, have Nextlink fixed wireless internet available to them in the city. The company covers the entire Denison area. Nextlink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Denison.
Nextlink fixed wireless download speeds
Nextlink is above average when comparing download speeds to all other internet providers in Denison. Versus other fixed wireless providers in the area, Nextlink fixed wireless is the fastest. There are 2 different maximum speeds throughout Denison. The fastest plan anyone in Denison can order from Nextlink goes up to 1,000 Mbps, the slowest package only goes up to 500 Mbps, and the city-wide average maximum speed for Denison customers is up to 846 Mbps.
Show all download speeds
- 69.2% up to 1,000.0 Mbps
- 30.8% up to 500.0 Mbps
Nextlink fixed wireless upload speeds
In Denison download speeds tend to be faster than than upload speeds for Nextlink fixed wireless. Compared to other ISPs, Nextlink is above average where upload speeds are concerned, and the fastest compared to other Denison fixed wireless providers. Nextlink 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 Denison is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 100 Mbps. On average, Nextlink customers can get speeds up to 723 Mbps.
Show all upload speeds
- 69.2% up to 1,000.0 Mbps
- 0.8% up to 200.0 Mbps
- 30.0% up to 100.0 Mbps
US Cellular Fixed Wireless in Denison, IA
US Cellular fixed wireless coverage
About 97.59%, or 8,838 people, have US Cellular fixed wireless internet available to them in the city. The company covers the entire Denison area. US Cellular is one of the largest internet service providers internet service providers in the US, with internet service available in most of Denison.
US Cellular fixed wireless download speeds
US Cellular is below average when comparing download speeds to all other internet providers in Denison. Versus other fixed wireless providers in the area, US Cellular fixed wireless is the slowest. There are 2 different maximum speeds throughout Denison. The fastest plan anyone in Denison can order from US Cellular goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Denison customers is up to 24 Mbps.
Show all download speeds
- 92.1% up to 25.0 Mbps
- 7.9% up to 10.0 Mbps
US Cellular fixed wireless upload speeds
In Denison download speeds tend to be faster than than upload speeds for US Cellular fixed wireless. Compared to other ISPs, US Cellular is below average where upload speeds are concerned, and the slowest compared to other Denison fixed wireless providers. US Cellular 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 Denison is up to 3.0 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 2.8 Mbps.
Show all upload speeds
- 92.1% up to 3.0 Mbps
- 7.9% up to 1.0 Mbps
EarthLink Fixed Wireless in Denison, IA
EarthLink fixed wireless coverage
About 97.45%, or 8,825 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Denison area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Denison.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Denison. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are 2 different maximum speeds throughout Denison. The fastest plan anyone in Denison can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Denison customers is up to 54 Mbps.
Show all download speeds
- 38.3% up to 100.0 Mbps
- 61.7% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Denison download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and below average compared to other Denison fixed wireless providers. EarthLink 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 Denison is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 9.5 Mbps.
Show all upload speeds
- 38.3% up to 20.0 Mbps
- 61.7% up to 3.0 Mbps
AT&T Fixed Wireless in Denison, IA
AT&T fixed wireless coverage
About 97.45%, or 8,825 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Denison area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Denison.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Denison. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are 2 different maximum speeds throughout Denison. The fastest plan anyone in Denison can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Denison customers is up to 54 Mbps.
Show all download speeds
- 38.3% up to 100.0 Mbps
- 61.7% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Denison download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and below average compared to other Denison fixed wireless providers. AT&T 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 Denison is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 9.5 Mbps.
Show all upload speeds
- 38.3% up to 20.0 Mbps
- 61.7% up to 3.0 Mbps
T-Mobile Home Internet Fixed Wireless in Denison, IA
T-Mobile Home Internet fixed wireless coverage
About 92.87%, or 8,410 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Denison 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 Denison.
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 Denison. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Denison. The fastest plan anyone in Denison 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 Denison customers is up to 46 Mbps.
Show all download speeds
- 27.7% up to 100.0 Mbps
- 72.3% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Denison 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 Denison 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 Denison 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 7.7 Mbps.
Show all upload speeds
- 27.7% up to 20.0 Mbps
- 72.3% up to 3.0 Mbps
Verizon Fixed Wireless in Denison, IA
Verizon fixed wireless coverage
About 71.83%, or 6,505 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Denison area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of Denison.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Denison. Versus other fixed wireless providers in the area, Verizon fixed wireless is above average. There are no different maximum speeds throughout Denison. The fastest plan anyone in Denison can order from Verizon goes up to 300 Mbps, and all Denison customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Denison 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 Denison fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Denison is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Western Iowa Wireless Fixed Wireless in Denison, IA
Western Iowa Wireless fixed wireless coverage
About 31.69%, or 2,870 people, have Western Iowa Wireless fixed wireless internet available to them in the city. The company covers the entire Denison area. Western Iowa Wireless is a large internet service provider internet service providers in the US, with internet service available in a small portion of Denison.
Western Iowa Wireless fixed wireless download speeds
Western Iowa Wireless is below average when comparing download speeds to all other internet providers in Denison. Versus other fixed wireless providers in the area, Western Iowa Wireless fixed wireless is above average. There are no different maximum speeds throughout Denison. The fastest plan anyone in Denison can order from Western Iowa Wireless goes up to 300 Mbps, and all Denison customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Western Iowa Wireless fixed wireless upload speeds
In Denison download speeds tend to be faster than than upload speeds for Western Iowa Wireless fixed wireless. Compared to other ISPs, Western Iowa Wireless is below average where upload speeds are concerned, and below average compared to other Denison fixed wireless providers. Western Iowa Wireless offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Denison is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
Denison Internet by Area
This information is most helpful to those looking for homes or considering moving to Denison or any of the areas nearby.
How does internet in Denison compare to the rest of Iowa?
Internet speeds in Denison 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 Denison.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Denison 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
- Deloit, IA: equal internet coverage, slower speeds
- Vail, IA: less internet coverage, faster speeds
- Arion, IA: equal internet coverage, slower speeds
- Buck Grove, IA: equal internet coverage, slower speeds
- Kenwood, IA: equal internet coverage, slower speeds
- Dow City, IA: less internet coverage, slower speeds
- Manilla, IA: less internet coverage, slower speeds
- Schleswig, IA: equal internet coverage, slower speeds
- Charter Oak, IA: less internet coverage, slower speeds
- Aspinwall, IA: equal internet coverage, slower speeds
Cities with Similar Populations
- Valdese, NC: equal internet coverage, faster speeds
- Louisburg, KS: less internet coverage, slower speeds
- Lucasville, OH: less internet coverage, faster speeds
- Ludowici, GA: less internet coverage, faster speeds
- Luray, VA: less internet coverage, faster speeds
- Lusby, MD: less internet coverage, faster speeds
- Lynwood, IL: less internet coverage, faster speeds
- Lyons, GA: less internet coverage, faster speeds
- Valley Cottage, NY: less internet coverage, faster speeds
- Valley Center, KS: less internet coverage, faster speeds