In Duncan there are 12 residential internet providers covering 100.00% of the city. The average home can get speeds up to 959 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 Duncan
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 Duncan are not shown.
Duncan 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 Duncan
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 Duncan. 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 WCTA Broadband. Now you can call companies in Duncan with more confidence that they might be available.
How fast are internet speeds in Duncan?
The map below shows maximum internet speeds by area in Duncan.
Internet Speed Key
The average Duncan home can get up to 959 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 91.89% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 8.11% of homes can only purchase plans up to 500 Mbps. See the internet provider details below for info about their speed and coverage in Duncan.
Internet speeds tend to be faster in the west parts of Duncan, and slower in the southeast areas of the city.
What type of internet should I choose in Duncan?
The fastest internet for you may vary based on where in Duncan you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 91.89% of Duncan homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 8.11%.
- Satellite internet may be the only option for less than 1% of Duncan homes.
Internet Market Health in Duncan
Internet Competition Key
The map shows how competitive the Duncan 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 Duncan based on what connections the average home has availabile:
- Average number of internet service providers to a home: 6.5 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 2.6 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 5.5 (healthy)
Overall, competition is healthy.
Duncan internet customers have the ability to buy internet service from 5 to 8 different providers, depending on where they live. For different types of service, Duncan homes have between 2 and 3 options. The type(s) of service available are fixed wireless, fiber, dsl, and cable, 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. Duncan internet customers who want faster speeds have between 3 and 7 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, Duncan is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Duncan, along with details on where in Duncan and at what speeds.
WCTA Broadband Fiber in Duncan, IA
WCTA Broadband fiber coverage
About 91.89%, or 136 people, have WCTA Broadband fiber internet available to them in the city. The company covers the entire Duncan area. WCTA Broadband is an average-sized internet service provider internet service providers in the US, with internet service available in most of Duncan.
WCTA Broadband fiber download speeds
WCTA Broadband is one of the fastest when comparing download speeds to all other internet providers in Duncan. Versus other fiber providers in the area, WCTA Broadband fiber is one of the fastest. There are no different maximum speeds throughout Duncan. The fastest plan anyone in Duncan can order from WCTA Broadband goes up to 1,000 Mbps, and all Duncan customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
WCTA Broadband fiber upload speeds
In Duncan download speeds tend to be equal to than upload speeds for WCTA Broadband fiber. Compared to other ISPs, WCTA Broadband is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Duncan fiber providers. WCTA Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Duncan is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Centurylink DSL in Duncan, IA
Centurylink DSL coverage
About 60.81%, or 90 people, have Centurylink DSL internet available to them in the city. The company covers the west, northeast, southeast, central, east, and southwest Duncan area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Duncan.
Centurylink DSL download speeds
Centurylink is the slowest when comparing download speeds to all other internet providers in Duncan. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are no different maximum speeds throughout Duncan. The fastest plan anyone in Duncan can order from Centurylink goes up to 10 Mbps, and all Duncan customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Centurylink DSL upload speeds
In Duncan download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is the slowest where upload speeds are concerned, and the fastest compared to other Duncan DSL providers. Centurylink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Duncan is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Comm1 Fiber in Duncan, IA
Comm1 fiber coverage
About 52.70%, or 78 people, have Comm1 fiber internet available to them in the city. The company covers the west, east, central, southeast, southwest, and north Duncan area. Comm1 is an average-sized internet service provider internet service providers in the US, with internet service available in a majority of Duncan.
Comm1 fiber download speeds
Comm1 is one of the fastest when comparing download speeds to all other internet providers in Duncan. Versus other fiber providers in the area, Comm1 fiber is one of the fastest. There are no different maximum speeds throughout Duncan. The fastest plan anyone in Duncan can order from Comm1 goes up to 1,000 Mbps, and all Duncan customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Comm1 fiber upload speeds
In Duncan download speeds tend to be equal to than upload speeds for Comm1 fiber. Compared to other ISPs, Comm1 is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Duncan fiber providers. Comm1 offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Duncan is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Mediacom Cable in Duncan, IA
Mediacom cable coverage
About 11.49%, or 17 people, have Mediacom cable internet available to them in the city. The company covers the southeast, east, and central Duncan area. Mediacom is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Duncan.
Mediacom cable download speeds
Mediacom is one of the fastest when comparing download speeds to all other internet providers in Duncan. Versus other cable providers in the area, Mediacom cable is the fastest. There are no different maximum speeds throughout Duncan. The fastest plan anyone in Duncan can order from Mediacom goes up to 1,000 Mbps, and all Duncan customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Mediacom cable upload speeds
In Duncan 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 Duncan cable providers. Mediacom offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Duncan is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Northwest Communications Fixed Wireless in Duncan, IA
Northwest Communications fixed wireless coverage
About 100.00%, or 148 people, have Northwest Communications fixed wireless internet available to them in the city. The company covers the entire Duncan area. Northwest Communications is a large internet service provider internet service providers in the US, with internet service available in every corner of Duncan.
Northwest Communications fixed wireless download speeds
Northwest Communications is below average when comparing download speeds to all other internet providers in Duncan. Versus other fixed wireless providers in the area, Northwest Communications fixed wireless is below average. There are 3 different maximum speeds throughout Duncan. The fastest plan anyone in Duncan can order from Northwest Communications goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Duncan customers is up to 32 Mbps.
Show all download speeds
- 10.1% up to 100.0 Mbps
- 86.5% up to 25.0 Mbps
- 3.4% up to 10.0 Mbps
Northwest Communications fixed wireless upload speeds
In Duncan download speeds tend to be faster than than upload speeds for Northwest Communications fixed wireless. Compared to other ISPs, Northwest Communications is below average where upload speeds are concerned, and below average compared to other Duncan fixed wireless providers. Northwest Communications 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 Duncan is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Northwest Communications customers can get speeds up to 13 Mbps.
Show all upload speeds
- 10.1% up to 20.0 Mbps
- 54.7% up to 15.0 Mbps
- 31.8% up to 10.0 Mbps
- 3.4% up to 1.0 Mbps
US Cellular Fixed Wireless in Duncan, IA
US Cellular fixed wireless coverage
About 100.00%, or 148 people, have US Cellular fixed wireless internet available to them in the city. The company covers the entire Duncan 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 Duncan.
US Cellular fixed wireless download speeds
US Cellular is below average when comparing download speeds to all other internet providers in Duncan. Versus other fixed wireless providers in the area, US Cellular fixed wireless is the slowest. There are 2 different maximum speeds throughout Duncan. The fastest plan anyone in Duncan 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 Duncan customers is up to 19 Mbps.
Show all download speeds
- 58.1% up to 25.0 Mbps
- 41.9% up to 10.0 Mbps
US Cellular fixed wireless upload speeds
In Duncan 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 Duncan 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 Duncan 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 2.2 Mbps.
Show all upload speeds
- 58.1% up to 3.0 Mbps
- 41.9% up to 1.0 Mbps
T-Mobile Home Internet Fixed Wireless in Duncan, IA
T-Mobile Home Internet fixed wireless coverage
About 82.43%, or 122 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the west, north, northeast, southeast, northwest, east, and southwest Duncan area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in much of Duncan.
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 Duncan. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are no different maximum speeds throughout Duncan. The fastest plan anyone in Duncan can order from T-Mobile Home Internet goes up to 25 Mbps, and all Duncan customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Duncan 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 Duncan fixed wireless providers. T-Mobile Home Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Duncan is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Nextlink Fixed Wireless in Duncan, IA
Nextlink fixed wireless coverage
About 79.05%, or 117 people, have Nextlink fixed wireless internet available to them in the city. The company covers the west, north, southeast, northeast, northwest, southwest, and central Duncan area. Nextlink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Duncan.
Nextlink fixed wireless download speeds
Nextlink is average when comparing download speeds to all other internet providers in Duncan. Versus other fixed wireless providers in the area, Nextlink fixed wireless is the fastest. There are 3 different maximum speeds throughout Duncan. The fastest plan anyone in Duncan can order from Nextlink goes up to 500 Mbps, the slowest package only goes up to 200 Mbps, and the city-wide average maximum speed for Duncan customers is up to 443 Mbps.
Show all download speeds
- 74.4% up to 500.0 Mbps
- 19.7% up to 300.0 Mbps
- 6.0% up to 200.0 Mbps
Nextlink fixed wireless upload speeds
In Duncan 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 Duncan 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 Duncan is up to 200 Mbps. Some customers have slower plan choices, which only go up to 100 Mbps. On average, Nextlink customers can get speeds up to 174 Mbps.
Show all upload speeds
- 74.4% up to 200.0 Mbps
- 25.6% up to 100.0 Mbps
GigFire Fixed Wireless in Duncan, IA
GigFire fixed wireless coverage
About 65.54%, or 97 people, have GigFire fixed wireless internet available to them in the city. The company covers the north, southeast, northeast, west, and east Duncan area. GigFire is a large internet service provider internet service providers in the US, with internet service available in much of Duncan.
GigFire fixed wireless download speeds
GigFire is below average when comparing download speeds to all other internet providers in Duncan. Versus other fixed wireless providers in the area, GigFire fixed wireless is below average. There are 2 different maximum speeds throughout Duncan. The fastest plan anyone in Duncan can order from GigFire goes up to 150 Mbps, the slowest package only goes up to 140 Mbps, and the city-wide average maximum speed for Duncan customers is up to 148 Mbps.
Show all download speeds
- 81.4% up to 150.0 Mbps
- 18.6% up to 140.0 Mbps
GigFire fixed wireless upload speeds
In Duncan download speeds tend to be faster than than upload speeds for GigFire fixed wireless. Compared to other ISPs, GigFire is below average where upload speeds are concerned, and above average compared to other Duncan fixed wireless providers. GigFire 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 Duncan is up to 130 Mbps. Some customers have slower plan choices, which only go up to 40 Mbps. On average, GigFire customers can get speeds up to 113 Mbps.
Show all upload speeds
- 81.4% up to 130.0 Mbps
- 18.6% up to 40.0 Mbps
Verizon Fixed Wireless in Duncan, IA
Verizon fixed wireless coverage
About 10.14%, or 15 people, have Verizon fixed wireless internet available to them in the city. The company covers the west and northwest Duncan area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Duncan.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Duncan. Versus other fixed wireless providers in the area, Verizon fixed wireless is above average. There are no different maximum speeds throughout Duncan. The fastest plan anyone in Duncan can order from Verizon goes up to 300 Mbps, and all Duncan customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Duncan 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 Duncan fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Duncan is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Duncan Internet by Area
This information is most helpful to those looking for homes or considering moving to Duncan or any of the areas nearby.
How does internet in Duncan compare to the rest of Iowa?
Internet speeds in Duncan are slower versus the average speeds in Iowa: 2,759 Mbps in Iowa versus 959 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 Duncan.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Duncan 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
- Britt, IA: less internet coverage, faster speeds
- Hayfield, IA: equal internet coverage, faster speeds
- Garner, IA: equal internet coverage, faster speeds
- Hutchins, IA: equal internet coverage, slower speeds
- Crystal Lake, IA: equal internet coverage, faster speeds
- Miller, IA: equal internet coverage, faster speeds
- Klemme, IA: equal internet coverage, faster speeds
- Stilson, IA: equal internet coverage, slower speeds
- Forest City, IA: less internet coverage, faster speeds
- Woden, IA: equal internet coverage, slower speeds
Cities with Similar Populations
- Gilmore, AR: equal internet coverage, faster speeds
- Harveysburg, IN: less internet coverage, faster speeds
- Tripoli, NY: equal internet coverage, faster speeds
- Harrisburg, GA: equal internet coverage, slower speeds
- Harborton, VA: less internet coverage, slower speeds
- Goldsboro, TX: less internet coverage, slower speeds
- Wallins Corner, NY: equal internet coverage, faster speeds
- Warner, OH: equal internet coverage, slower speeds
- Glenloch, GA: equal internet coverage, faster speeds
- Glencoe, PA: less internet coverage, slower speeds