In Charter Oak there are 2 residential DSL providers covering 95.84% of the city. The average home can get speeds up to 69 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 Charter Oak, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Charter Oak, IA please click below.
Charter Oak, IA Availability Maps
DSL Internet Service Providers in Charter Oak
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 Charter Oak are not shown.
Charter Oak 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 Charter Oak is DSL internet available?

DSL Internet Availability Key
DSL is available in 95.84% of Charter Oak. 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 Charter Oak above to see who has service at your home.
How fast is DSL internet in Charter Oak?
The map below shows maximum DSL internet speeds by area in Charter Oak.

DSL Internet Speed Key
The average Charter Oak home can get up to 69 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 115 Mbps, which 11.05% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 18.65% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Charter Oak.
DSL internet speeds tend to be faster in the central parts of Charter Oak, and slower in the northwest areas of the city.
Is DSL the fastest internet I can get in Charter Oak?
The fastest internet for you may vary based on where in Charter Oak you live. In general, fixed wireless competes most often with DSL in the city.
- Fiber is the fastest internet type for less than 1% of Charter Oak homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for 8.90%.
- Fixed wireless is fastest for 88.67%.
- Satellite internet may be the only option for 1.72% of Charter Oak homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Charter Oak, along with details on where in Charter Oak and at what speeds.
Frontier Communications DSL in Charter Oak, IA

Frontier DSL coverage
About 92.54%, or 645 people, have Frontier DSL internet available to them in the city. The company covers the entire Charter Oak area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of Charter Oak.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Charter Oak. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 5 different maximum speeds throughout Charter Oak. The fastest plan anyone in Charter Oak 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 Charter Oak customers is up to 71 Mbps.
Show all download speeds
- 11.9% up to 115.0 Mbps
- 39.7% up to 90.0 Mbps
- 22.0% up to 70.0 Mbps
- 9.0% up to 45.0 Mbps
- 17.4% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Charter Oak 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 slowest compared to other Charter Oak 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 Charter Oak 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 3.9 Mbps.
Show all upload speeds
- 11.9% up to 7.0 Mbps
- 39.7% up to 5.0 Mbps
- 31.0% up to 3.0 Mbps
- 17.4% up to 1.0 Mbps
Windstream DSL in Charter Oak, IA

Windstream DSL coverage
About 4.30%, or 30 people, have Windstream DSL internet available to them in the city. The company covers the northeast and northwest Charter Oak 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 Charter Oak.
Windstream DSL download speeds
Windstream is below average when comparing download speeds to all other internet providers in Charter Oak. Versus other DSL providers in the area, Windstream DSL is the slowest. There are 2 different maximum speeds throughout Charter Oak. The fastest plan anyone in Charter Oak can order from Windstream goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Charter Oak customers is up to 25 Mbps.
Show all download speeds
- 16.7% up to 100.0 Mbps
- 83.3% up to 10.0 Mbps
Windstream DSL upload speeds
In Charter Oak download speeds tend to be faster than than upload speeds for Windstream DSL. Compared to other ISPs, Windstream is below average where upload speeds are concerned, and the fastest compared to other Charter Oak DSL providers. Windstream 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 Charter Oak is up to 32 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Windstream customers can get speeds up to 4.9 Mbps.
Show all upload speeds
- 6.7% up to 32.0 Mbps
- 3.3% up to 23.0 Mbps
- 6.7% up to 17.0 Mbps
- 83.3% up to 1.0 Mbps
Charter Oak DSL by Area
This information is most helpful to those looking for homes or considering moving to Charter Oak or any of the areas nearby.
How does DSL internet in Charter Oak compare to the rest of Iowa?
DSL internet speeds in Charter Oak are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 69 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Iowa is 0.00% versus 95.84% in Charter Oak.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Charter Oak 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
- Kenwood, IA: less DSL coverage, slower speeds
- Ricketts, IA: less DSL coverage, faster speeds
- Ute, IA: less DSL coverage, faster speeds
- Arion, IA: less DSL coverage, slower speeds
- Schleswig, IA: less DSL coverage, faster speeds
- Soldier, IA: less DSL coverage, slower speeds
- Dow City, IA: less DSL coverage, slower speeds
- Mapleton, IA: more DSL coverage, slower speeds
- Denison, IA: less DSL coverage, slower speeds
- Deloit, IA: less DSL coverage, slower speeds
Cities with Similar Populations
- Cincinnati, IA: less DSL coverage, faster speeds
- Port Mayaca, FL: less DSL coverage, slower speeds
- Collins, IN: less DSL coverage, slower speeds
- Powers, AL: less DSL coverage, slower speeds
- Clodine, TX: less DSL coverage, slower speeds
- Clermont, KY: more DSL coverage, faster speeds
- Pulaskiville, OH: less DSL coverage, slower speeds
- Cisco, GA: less DSL coverage, faster speeds
- Ponsford, MN: less DSL coverage, slower speeds
- Churdan, IA: less DSL coverage, slower speeds


