In Marion County there are 2 residential DSL providers covering 53.62% of the county. The average home can get speeds up to 10 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 Marion County, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Marion County, SC please click below.
Marion County, SC Availability Maps
DSL Internet Service Providers in Marion 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 Marion County are not shown.
Marion 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 Marion County is DSL internet available?
DSL Internet Availability Key
DSL is available in 53.62% of Marion County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in Marion County above to see who has service at your home.
How fast is DSL internet in Marion County?
The map below shows maximum DSL internet speeds by area in Marion County.
DSL Internet Speed Key
The average Marion County home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 10 Mbps, which 53.62% of residents can get.
Is DSL the fastest internet I can get in Marion County?
The fastest internet for you may vary based on where in Marion County you live. In general, cable competes most often with DSL in the county.
- Fiber is the fastest internet type for 41.96% of Marion County homes.
- Cable is fastest for 56.82% 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 Marion County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Marion County, along with details on where in Marion County and at what speeds.
AT&T DSL in Marion County, SC
AT&T DSL coverage
About 53.62%, or 15,647 people, have AT&T DSL internet available to them in the county. The company covers the entire Marion County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Marion County.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Marion County. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are no different maximum speeds throughout Marion County. The fastest plan anyone in Marion County can order from AT&T goes up to 10 Mbps, and all Marion County customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In Marion 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 fastest compared to other Marion County DSL providers. AT&T offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Marion County is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
EarthLink DSL in Marion County, SC
EarthLink DSL coverage
About 53.62%, or 15,647 people, have EarthLink DSL internet available to them in the county. The company covers the entire Marion County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Marion County.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Marion County. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are no different maximum speeds throughout Marion County. The fastest plan anyone in Marion County can order from EarthLink goes up to 10 Mbps, and all Marion County customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In Marion 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 fastest compared to other Marion County DSL providers. EarthLink offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Marion County is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Marion County DSL by Area
This information is most helpful to those looking for homes or considering moving to Marion County or any of the areas nearby.
How does DSL internet in Marion County compare to the rest of South Carolina?
DSL internet speeds in Marion County are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 10 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in South Carolina is 0.00% versus 53.62% in Marion County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Marion 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
- Florence County, SC: less DSL coverage, faster speeds
- Columbus County, NC: more DSL coverage, faster speeds
- Lee County, SC: less DSL coverage, faster speeds
- Brunswick County, NC: less DSL coverage, faster speeds
- Kershaw County, SC: more DSL coverage, faster speeds
- New Hanover County, NC: more DSL coverage, faster speeds
- Richland County, SC: more DSL coverage, faster speeds
- Newberry County, SC: more DSL coverage, faster speeds
- Greenwood County, SC: more DSL coverage, faster speeds
- Abbeville County, SC: less DSL coverage, faster speeds
Counties with Similar Populations
- Washington County, IA: more DSL coverage, faster speeds
- Alpena County, MI: more DSL coverage, faster speeds
- Anasco Municipio, PR: more DSL coverage, faster speeds
- Anderson County, KY: more DSL coverage, similar speeds
- Bandera County, TX: less DSL coverage, faster speeds
- Wayne County, MS: more DSL coverage, faster speeds
- Washington County, NE: more DSL coverage, faster speeds
- Washington County, MO: more DSL coverage, faster speeds
- Yell County, AR: less DSL coverage, faster speeds
- Washington County, GA: less DSL coverage, faster speeds