In Alta there are 2 residential DSL providers covering 86.18% of the city. The average home can get speeds up to 32 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 Alta, IA.
To see availability maps for all providers including fiber, cable, DSL, and more in Alta, IA please click below.
DSL Internet Service Providers in Alta
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 Alta are not shown.
Alta 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 Alta is DSL internet available?
DSL Internet Availability Key
DSL is available in 86.18% of Alta. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Centurylink. Call one of the companies with service in Alta above to see who has service at your home.
How fast is DSL internet in Alta?
The map below shows maximum DSL internet speeds by area in Alta.
DSL Internet Speed Key
The average Alta home can get up to 32 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 60 Mbps, which 19.11% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 36.85% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Alta.
DSL internet speeds tend to be faster in the east parts of Alta, and slower in the southeast areas of the city.
Is DSL the fastest internet I can get in Alta?
The fastest internet for you may vary based on where in Alta you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 1.44% of Alta homes.
- Cable is fastest for 81.40% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 17.16%.
- Satellite internet may be the only option for less than 1% of Alta homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Alta, along with details on where in Alta and at what speeds.
Centurylink DSL in Alta, IA
Centurylink DSL coverage
About 84.99%, or 2,362 people, have Centurylink DSL internet available to them in the city. The company covers the central, east, south, north, southeast, northeast, and northwest Alta area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Alta.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Alta. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 3 different maximum speeds throughout Alta. The fastest plan anyone in Alta can order from Centurylink goes up to 60 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Alta customers is up to 32 Mbps.
Show all download speeds
- 22.5% up to 60.0 Mbps
- 35.6% up to 40.0 Mbps
- 42.0% up to 10.0 Mbps
Centurylink DSL upload speeds
In Alta download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is below average where upload speeds are concerned, and the fastest compared to other Alta DSL providers. Centurylink 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 Alta is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 2.9 Mbps.
Show all upload speeds
- 0.6% up to 20.0 Mbps
- 30.5% up to 5.0 Mbps
- 26.9% up to 3.0 Mbps
- 42.0% up to 1.0 Mbps
Nuvera Communication DSL in Alta, IA
Nuvera Communication DSL coverage
About 1.19%, or 33 people, have Nuvera Communication DSL internet available to them in the city. The company covers the northwest and southwest Alta area. Nuvera Communication is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Alta.
Nuvera Communication DSL download speeds
Nuvera Communication is the slowest when comparing download speeds to all other internet providers in Alta. Versus other DSL providers in the area, Nuvera Communication DSL is the slowest. There are no different maximum speeds throughout Alta. The fastest plan anyone in Alta can order from Nuvera Communication goes up to 10 Mbps, and all Alta customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Nuvera Communication DSL upload speeds
In Alta download speeds tend to be faster than than upload speeds for Nuvera Communication DSL. Compared to other ISPs, Nuvera Communication is the slowest where upload speeds are concerned, and the slowest compared to other Alta DSL providers. Nuvera Communication offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Alta is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Alta DSL by Area
This information is most helpful to those looking for homes or considering moving to Alta or any of the areas nearby.
How does DSL internet in Alta compare to the rest of Iowa?
DSL internet speeds in Alta are much faster versus the average speeds in Iowa: 0.00 Mbps in Iowa versus 32 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Iowa is 0.00% versus 86.18% in Alta.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Alta 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
- Storm Lake, IA: more DSL coverage, slower speeds
- Aurelia, IA: less DSL coverage, slower speeds
- Truesdale, IA: less DSL coverage, faster speeds
- Lakeside, IA: more DSL coverage, faster speeds
- Juniata, IA: less DSL coverage, slower speeds
- Galva, IA: less DSL coverage, slower speeds
- Rembrandt, IA: less DSL coverage, faster speeds
- Linn Grove, IA: less DSL coverage, faster speeds
- Sulphur Springs, IA: less DSL coverage, faster speeds
- Cherokee, IA: more DSL coverage, faster speeds
Cities with Similar Populations
- Cabazon, CA: less DSL coverage, faster speeds
- Sullivan, WI: more DSL coverage, faster speeds
- Cumberland, VA: less DSL coverage, faster speeds
- Transfer, PA: less DSL coverage, faster speeds
- Homestead Valley, CA: more DSL coverage, slower speeds
- Cromwell, IN: less DSL coverage, faster speeds
- Gerrardstown, WV: less DSL coverage, slower speeds
- Gaylord, MN: more DSL coverage, slower speeds
- Plainview, TN: more DSL coverage, faster speeds
- Ogdensburg, NJ: less DSL coverage, faster speeds