In Barnwell County there are 3 residential DSL providers covering 62.15% of the county. The average home can get speeds up to 30 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 Barnwell County, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Barnwell County, SC please click below.
Barnwell County, SC Availability Maps
DSL Internet Service Providers in Barnwell 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 Barnwell County are not shown.
Barnwell 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 Barnwell County is DSL internet available?

DSL Internet Availability Key
DSL is available in 62.15% of Barnwell County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is TDS. Call one of the companies with service in Barnwell County above to see who has service at your home.
How fast is DSL internet in Barnwell County?
The map below shows maximum DSL internet speeds by area in Barnwell County.

DSL Internet Speed Key
The average Barnwell County home can get up to 30 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 100 Mbps, which 10.23% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 41.19% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Barnwell County.
DSL internet speeds tend to be faster in the northwest parts of Barnwell County, and slower in the south areas of the county.
Is DSL the fastest internet I can get in Barnwell County?
The fastest internet for you may vary based on where in Barnwell County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 88.81% of Barnwell County homes.
- Cable is fastest for 9.34% 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 Barnwell County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Barnwell County, along with details on where in Barnwell County and at what speeds.
AT&T DSL in Barnwell County, SC

AT&T DSL coverage
About 38.82%, or 7,993 people, have AT&T DSL internet available to them in the county. The company covers the central, northeast, south, east, southwest, southeast, west, and north Barnwell 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 Barnwell County.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Barnwell County. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 2 different maximum speeds throughout Barnwell County. The fastest plan anyone in Barnwell 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 Barnwell County customers is up to 10 Mbps.
Show all download speeds
- 0.6% up to 25.0 Mbps
- 99.4% up to 10.0 Mbps
AT&T DSL upload speeds
In Barnwell 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 Barnwell 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 Barnwell 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
- 0.6% up to 5.0 Mbps
- 99.4% up to 1.0 Mbps
EarthLink DSL in Barnwell County, SC

EarthLink DSL coverage
About 38.82%, or 7,993 people, have EarthLink DSL internet available to them in the county. The company covers the central, northeast, south, east, southwest, southeast, west, and north Barnwell County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Barnwell County.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Barnwell County. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 2 different maximum speeds throughout Barnwell County. The fastest plan anyone in Barnwell 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 Barnwell County customers is up to 10 Mbps.
Show all download speeds
- 0.6% up to 25.0 Mbps
- 99.4% up to 10.0 Mbps
EarthLink DSL upload speeds
In Barnwell 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 Barnwell 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 Barnwell 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
- 0.6% up to 5.0 Mbps
- 99.4% up to 1.0 Mbps
TDS DSL in Barnwell County, SC

TDS DSL coverage
About 23.59%, or 4,857 people, have TDS DSL internet available to them in the county. The company covers the northwest, north, central, west, and northeast Barnwell County area. TDS is a large internet service provider internet service providers in the US, with internet service available in a small portion of Barnwell County.
TDS DSL download speeds
TDS is below average when comparing download speeds to all other internet providers in Barnwell County. Versus other DSL providers in the area, TDS DSL is the fastest. There are 4 different maximum speeds throughout Barnwell County. The fastest plan anyone in Barnwell County can order from TDS goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Barnwell County customers is up to 63 Mbps.
Show all download speeds
- 43.4% up to 100.0 Mbps
- 27.3% up to 50.0 Mbps
- 17.3% up to 25.0 Mbps
- 12.0% up to 10.0 Mbps
TDS DSL upload speeds
In Barnwell County download speeds tend to be faster than than upload speeds for TDS DSL. Compared to other ISPs, TDS is below average where upload speeds are concerned, and the fastest compared to other Barnwell County DSL providers. TDS offers 5 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 Barnwell County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, TDS customers can get speeds up to 11 Mbps.
Show all upload speeds
- 18.8% up to 20.0 Mbps
- 24.5% up to 15.0 Mbps
- 27.3% up to 10.0 Mbps
- 17.3% up to 5.0 Mbps
- 12.0% up to 1.0 Mbps
Barnwell County DSL by Area
This information is most helpful to those looking for homes or considering moving to Barnwell County or any of the areas nearby.
How does DSL internet in Barnwell County compare to the rest of South Carolina?
DSL internet speeds in Barnwell County are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 30 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in South Carolina is 0.00% versus 62.15% in Barnwell County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Barnwell 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
- Bamberg County, SC: more DSL coverage, slower speeds
- Burke County, GA: less DSL coverage, slower speeds
- Hancock County, GA: less DSL coverage, slower speeds
- Putnam County, GA: more DSL coverage, faster speeds
- Jasper County, GA: more DSL coverage, faster speeds
- Butts County, GA: more DSL coverage, slower speeds
- Spalding County, GA: more DSL coverage, faster speeds
- Pike County, GA: less DSL coverage, faster speeds
- Coweta County, GA: more DSL coverage, faster speeds
- Heard County, GA: less DSL coverage, slower speeds
Counties with Similar Populations
- Mingo County, WV: more DSL coverage, faster speeds
- Mason County, WV: more DSL coverage, faster speeds
- Maunabo Municipio, PR: less DSL coverage, slower speeds
- McDowell County, WV: more DSL coverage, faster speeds
- Meeker County, MN: more DSL coverage, faster speeds
- Meigs County, OH: more DSL coverage, faster speeds
- Cooper County, MO: more DSL coverage, faster speeds
- Menard County, IL: less DSL coverage, slower speeds
- Mason County, IL: more DSL coverage, faster speeds
- Minidoka County, ID: more DSL coverage, faster speeds


