In Cass County there are 3 residential DSL providers covering 43.38% of the county. The average home can get speeds up to 24 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 Cass County, MI.
To see availability maps for all providers including fiber, cable, DSL, and more in Cass County, MI please click below.
Cass County, MI Availability Maps
DSL Internet Service Providers in Cass County
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 Cass County are not shown.
Cass County 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 Cass County is DSL internet available?

DSL Internet Availability Key
DSL is available in 43.38% of Cass County. 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 Cass County above to see who has service at your home.
How fast is DSL internet in Cass County?
The map below shows maximum DSL internet speeds by area in Cass County.

DSL Internet Speed Key
The average Cass County home can get up to 24 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 115 Mbps, which 1.38% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 34.17% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Cass County.
DSL internet speeds tend to be faster in the central parts of Cass County, and slower in the northeast areas of the county.
Is DSL the fastest internet I can get in Cass County?
The fastest internet for you may vary based on where in Cass County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 52.92% of Cass County homes.
- Cable is fastest for 46.89% of the county.
- 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 Cass County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Cass County, along with details on where in Cass County and at what speeds.
Frontier Communications DSL in Cass County, MI

Frontier DSL coverage
About 41.07%, or 21,189 people, have Frontier DSL internet available to them in the county. The company covers the entire Cass County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in some of Cass County.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Cass County. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 5 different maximum speeds throughout Cass County. The fastest plan anyone in Cass County can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Cass County customers is up to 25 Mbps.
Show all download speeds
- 3.4% up to 115.0 Mbps
- 7.8% up to 90.0 Mbps
- 6.4% up to 70.0 Mbps
- 4.7% up to 45.0 Mbps
- 77.8% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Cass County 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 Cass County DSL providers. Frontier offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Cass County 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 1.7 Mbps.
Show all upload speeds
- 3.4% up to 7.0 Mbps
- 7.8% up to 5.0 Mbps
- 11.1% up to 3.0 Mbps
- 77.8% up to 1.0 Mbps
AT&T DSL in Cass County, MI

AT&T DSL coverage
About 2.37%, or 1,221 people, have AT&T DSL internet available to them in the county. The company covers the southwest, west, and central Cass County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Cass County.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Cass County. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 2 different maximum speeds throughout Cass County. The fastest plan anyone in Cass County can order from AT&T goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Cass County customers is up to 11 Mbps.
Show all download speeds
- 3.6% up to 50.0 Mbps
- 96.4% up to 10.0 Mbps
AT&T DSL upload speeds
In Cass County download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Cass County DSL providers. AT&T offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Cass County is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 1.3 Mbps.
Show all upload speeds
- 3.6% up to 10.0 Mbps
- 96.4% up to 1.0 Mbps
EarthLink DSL in Cass County, MI

EarthLink DSL coverage
About 2.37%, or 1,221 people, have EarthLink DSL internet available to them in the county. The company covers the southwest, west, and central Cass County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Cass County.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Cass County. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 2 different maximum speeds throughout Cass County. The fastest plan anyone in Cass County can order from EarthLink goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Cass County customers is up to 11 Mbps.
Show all download speeds
- 3.6% up to 50.0 Mbps
- 96.4% up to 10.0 Mbps
EarthLink DSL upload speeds
In Cass County download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Cass County DSL providers. EarthLink offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Cass County is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 1.3 Mbps.
Show all upload speeds
- 3.6% up to 10.0 Mbps
- 96.4% up to 1.0 Mbps
Cass County DSL by Area
This information is most helpful to those looking for homes or considering moving to Cass County or any of the areas nearby.
How does DSL internet in Cass County compare to the rest of Michigan?
DSL internet speeds in Cass County are much faster versus the average speeds in Michigan: 0.00 Mbps in Michigan versus 24 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Michigan is 0.00% versus 43.38% in Cass County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Cass County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Berrien County, MI: more DSL coverage, faster speeds
- St. Joseph County, MI: more DSL coverage, faster speeds
- Branch County, MI: more DSL coverage, faster speeds
- Hillsdale County, MI: more DSL coverage, faster speeds
- Cook County, IL: more DSL coverage, faster speeds
- Lenawee County, MI: more DSL coverage, slower speeds
- DuPage County, IL: more DSL coverage, faster speeds
- Kane County, IL: more DSL coverage, faster speeds
- Monroe County, MI: more DSL coverage, faster speeds
- DeKalb County, IL: more DSL coverage, faster speeds
Counties with Similar Populations
- Marshall County, IN: more DSL coverage, faster speeds
- Jackson County, AL: more DSL coverage, faster speeds
- Jackson County, IL: more DSL coverage, faster speeds
- Jackson County, IN: more DSL coverage, faster speeds
- Jackson County, NC: more DSL coverage, faster speeds
- Jefferson County, WV: less DSL coverage, slower speeds
- Kandiyohi County, MN: more DSL coverage, faster speeds
- Lawrence County, OH: more DSL coverage, faster speeds
- Logan County, OH: more DSL coverage, faster speeds
- Marinette County, WI: more DSL coverage, faster speeds


