In Duncombe there are 2 residential DSL providers covering 7.57% of the city. The average home can get speeds up to 36 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 DSL internet providers in Duncombe, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Duncombe, IA please click below.
Duncombe, IA Availability Maps
DSL Internet Service Providers in Duncombe
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 Duncombe are not shown.
Duncombe 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 Duncombe is DSL internet available?

DSL Internet Availability Key
DSL is available in 7.57% of Duncombe. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in Duncombe above to see who has service at your home.
How fast is DSL internet in Duncombe?
The map below shows maximum DSL internet speeds by area in Duncombe.

DSL Internet Speed Key
The average Duncombe home can get up to 36 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 45 Mbps, which 5.53% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 2.04% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Duncombe.
DSL internet speeds tend to be faster in the southwest parts of Duncombe, and slower in the southeast areas of the city.
Is DSL the fastest internet I can get in Duncombe?
The fastest internet for you may vary based on where in Duncombe you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 99.64% of Duncombe 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 Duncombe homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Duncombe, along with details on where in Duncombe and at what speeds.
Frontier Communications DSL in Duncombe, IA

Frontier DSL coverage
About 5.53%, or 46 people, have Frontier DSL internet available to them in the city. The company covers the southwest Duncombe area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Duncombe.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Duncombe. Versus other DSL providers in the area, Frontier DSL is the fastest. There are no different maximum speeds throughout Duncombe. The fastest plan anyone in Duncombe can order from Frontier goes up to 45 Mbps, and all Duncombe customers can get this speed.
Show all download speeds
- 100.0% up to 45.0 Mbps
Frontier Communications DSL upload speeds
In Duncombe download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is below average where upload speeds are concerned, and the fastest compared to other Duncombe DSL providers. Frontier offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Duncombe is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Centurylink DSL in Duncombe, IA

Centurylink DSL coverage
About 2.04%, or 17 people, have Centurylink DSL internet available to them in the city. The company covers the southeast Duncombe area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Duncombe.
Centurylink DSL download speeds
Centurylink is the slowest when comparing download speeds to all other internet providers in Duncombe. Versus other DSL providers in the area, Centurylink DSL is the slowest. There are no different maximum speeds throughout Duncombe. The fastest plan anyone in Duncombe can order from Centurylink goes up to 10 Mbps, and all Duncombe customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Centurylink DSL upload speeds
In Duncombe 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 slowest compared to other Duncombe DSL providers. Centurylink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Duncombe is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Duncombe DSL by Area
This information is most helpful to those looking for homes or considering moving to Duncombe or any of the areas nearby.
How does DSL internet in Duncombe compare to the rest of Iowa?
DSL internet speeds in Duncombe are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 36 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Iowa is 0.00% versus 7.57% in Duncombe.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Duncombe are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL 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
- Otho, IA: more DSL coverage, faster speeds
- Vincent, IA: less DSL coverage, slower speeds
- Webster City, IA: more DSL coverage, slower speeds
- Fort Dodge, IA: more DSL coverage, faster speeds
- Homer, IA: more DSL coverage, slower speeds
- Roberts, IA: more DSL coverage, slower speeds
- Tara, IA: more DSL coverage, slower speeds
- Badger, IA: more DSL coverage, slower speeds
- Stratford, IA: less DSL coverage, slower speeds
- Eagle Grove, IA: more DSL coverage, slower speeds
Cities with Similar Populations
- North Orwell, PA: more DSL coverage, slower speeds
- Norborne, MO: more DSL coverage, faster speeds
- Nogal, NM: more DSL coverage, faster speeds
- Nichols, IA: more DSL coverage, faster speeds
- New York, FL: more DSL coverage, slower speeds
- New Hope, NC: more DSL coverage, faster speeds
- Okoboji, IA: more DSL coverage, slower speeds
- New Centerville, ID: more DSL coverage, faster speeds
- Nelson, MN: more DSL coverage, faster speeds
- Napoleon, IN: more DSL coverage, slower speeds


