In Darlington County there are 3 residential DSL providers covering 42.66% of the county. The average home can get speeds up to 11 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 Darlington County, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Darlington County, SC please click below.
Darlington County, SC Availability Maps
DSL Internet Service Providers in Darlington 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 Darlington County are not shown.
Darlington 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 Darlington County is DSL internet available?
DSL Internet Availability Key
DSL is available in 42.66% of Darlington 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 Darlington County above to see who has service at your home.
How fast is DSL internet in Darlington County?
The map below shows maximum DSL internet speeds by area in Darlington County.
DSL Internet Speed Key
The average Darlington County home can get up to 11 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 115 Mbps, which less than 1% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 42.23% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Darlington County.
DSL internet speeds tend to be faster in the southwest parts of Darlington County, and slower in the east areas of the county.
Is DSL the fastest internet I can get in Darlington County?
The fastest internet for you may vary based on where in Darlington County you live. In general, cable competes most often with DSL in the county.
- Fiber is the fastest internet type for 24.57% of Darlington County homes.
- Cable is fastest for 74.03% 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 Darlington County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Darlington County, along with details on where in Darlington County and at what speeds.
AT&T DSL in Darlington County, SC
AT&T DSL coverage
About 39.91%, or 25,105 people, have AT&T DSL internet available to them in the county. The company covers the east, southeast, northwest, west, north, northeast, central, and south Darlington County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of Darlington County.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Darlington County. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 2 different maximum speeds throughout Darlington County. The fastest plan anyone in Darlington County can order from AT&T goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Darlington County customers is up to 10 Mbps.
Show all download speeds
- 0.0% up to 25.0 Mbps
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In Darlington 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 Darlington 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 Darlington County is up to 5.0 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 1.0 Mbps.
Show all upload speeds
- 0.0% up to 5.0 Mbps
- 100.0% up to 1.0 Mbps
EarthLink DSL in Darlington County, SC
EarthLink DSL coverage
About 39.91%, or 25,105 people, have EarthLink DSL internet available to them in the county. The company covers the east, southeast, northwest, west, north, northeast, central, and south Darlington County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Darlington County.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Darlington County. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 2 different maximum speeds throughout Darlington County. The fastest plan anyone in Darlington County can order from EarthLink goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Darlington County customers is up to 10 Mbps.
Show all download speeds
- 0.0% up to 25.0 Mbps
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In Darlington 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 Darlington 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 Darlington County is up to 5.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 1.0 Mbps.
Show all upload speeds
- 0.0% up to 5.0 Mbps
- 100.0% up to 1.0 Mbps
Frontier Communications DSL in Darlington County, SC
Frontier DSL coverage
About 2.75%, or 1,730 people, have Frontier DSL internet available to them in the county. The company covers the south and southwest Darlington County 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 Darlington County.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Darlington County. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 5 different maximum speeds throughout Darlington County. The fastest plan anyone in Darlington 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 Darlington County customers is up to 20 Mbps.
Show all download speeds
- 0.8% up to 115.0 Mbps
- 7.2% up to 90.0 Mbps
- 3.4% up to 70.0 Mbps
- 3.8% up to 45.0 Mbps
- 84.8% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Darlington 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 Darlington 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 Darlington 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 1.5 Mbps.
Show all upload speeds
- 0.8% up to 7.0 Mbps
- 7.2% up to 5.0 Mbps
- 7.2% up to 3.0 Mbps
- 84.8% up to 1.0 Mbps
Darlington County DSL by Area
This information is most helpful to those looking for homes or considering moving to Darlington County or any of the areas nearby.
How does DSL internet in Darlington County compare to the rest of South Carolina?
DSL internet speeds in Darlington County are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 11 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in South Carolina is 0.00% versus 42.66% in Darlington County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Darlington 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
- Dillon County, SC: more DSL coverage, slower speeds
- Kershaw County, SC: more DSL coverage, faster speeds
- Fairfield County, SC: more DSL coverage, faster speeds
- Columbus County, NC: more DSL coverage, faster speeds
- Newberry County, SC: more DSL coverage, faster speeds
- New Hanover County, NC: more DSL coverage, faster speeds
- Greenwood County, SC: more DSL coverage, faster speeds
- Pender County, NC: more DSL coverage, faster speeds
- Abbeville County, SC: less DSL coverage, faster speeds
- Hart County, GA: less DSL coverage, faster speeds
Counties with Similar Populations
- Apache County, AZ: less DSL coverage, faster speeds
- Armstrong County, PA: more DSL coverage, faster speeds
- Otsego County, NY: less DSL coverage, faster speeds
- Maverick County, TX: more DSL coverage, slower speeds
- McCracken County, KY: more DSL coverage, slower speeds
- McKinley County, NM: more DSL coverage, faster speeds
- McMinn County, TN: more DSL coverage, faster speeds
- Mercer County, WV: more DSL coverage, faster speeds
- Montcalm County, MI: less DSL coverage, faster speeds
- Morgan County, IN: more DSL coverage, faster speeds