In Barnwell there are 2 residential DSL providers covering 58.11% of the city. 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 Barnwell, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Barnwell, SC please click below.
Barnwell, SC Availability Maps
DSL Internet Service Providers in Barnwell
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 are not shown.
Barnwell 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 is DSL internet available?
DSL Internet Availability Key
DSL is available in 58.11% of Barnwell. 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 Barnwell above to see who has service at your home.
How fast is DSL internet in Barnwell?
The map below shows maximum DSL internet speeds by area in Barnwell.
DSL Internet Speed Key
The average Barnwell home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 25 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, 57.61% 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.
DSL internet speeds tend to be faster in the northwest parts of Barnwell, and slower in the west areas of the city.
Is DSL the fastest internet I can get in Barnwell?
The fastest internet for you may vary based on where in Barnwell you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 85.20% of Barnwell homes.
- Cable is fastest for 14.16% of the city.
- 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 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Barnwell, along with details on where in Barnwell and at what speeds.
AT&T DSL in Barnwell, SC
AT&T DSL coverage
About 58.11%, or 5,278 people, have AT&T DSL internet available to them in the city. The company covers the entire Barnwell 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 Barnwell.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Barnwell. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 2 different maximum speeds throughout Barnwell. The fastest plan anyone in Barnwell can order from AT&T goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Barnwell customers is up to 10 Mbps.
Show all download speeds
- 0.9% up to 25.0 Mbps
- 99.1% up to 10.0 Mbps
AT&T DSL upload speeds
In Barnwell 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 Barnwell DSL providers. AT&T offers 2 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 Barnwell 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
- 0.9% up to 5.0 Mbps
- 99.1% up to 1.0 Mbps
EarthLink DSL in Barnwell, SC
EarthLink DSL coverage
About 58.11%, or 5,278 people, have EarthLink DSL internet available to them in the city. The company covers the entire Barnwell area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Barnwell.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Barnwell. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 2 different maximum speeds throughout Barnwell. The fastest plan anyone in Barnwell can order from EarthLink goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Barnwell customers is up to 10 Mbps.
Show all download speeds
- 0.9% up to 25.0 Mbps
- 99.1% up to 10.0 Mbps
EarthLink DSL upload speeds
In Barnwell 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 Barnwell DSL providers. EarthLink offers 2 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 Barnwell 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
- 0.9% up to 5.0 Mbps
- 99.1% up to 1.0 Mbps
Barnwell DSL by Area
This information is most helpful to those looking for homes or considering moving to Barnwell or any of the areas nearby.
How does DSL internet in Barnwell compare to the rest of South Carolina?
DSL internet speeds in Barnwell are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 10 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in South Carolina is 0.00% versus 58.11% in Barnwell.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Barnwell 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
- Hilda, SC: less DSL coverage, faster speeds
- Snelling, SC: less DSL coverage, slower speeds
- Kline, SC: less DSL coverage, slower speeds
- Elko, SC: more DSL coverage, faster speeds
- Olar, SC: less DSL coverage, faster speeds
- Blackville, SC: more DSL coverage, faster speeds
- Govan, SC: less DSL coverage, slower speeds
- Sato, SC: more DSL coverage, slower speeds
- Schofield, SC: less DSL coverage, slower speeds
- Denmark, SC: more DSL coverage, slower speeds
Cities with Similar Populations
- Grosse Pointe, MI: more DSL coverage, faster speeds
- Basehor, KS: more DSL coverage, faster speeds
- Helena-West Helena, AR: more DSL coverage, slower speeds
- Fort Pierce North, FL: more DSL coverage, faster speeds
- Sneads Ferry, NC: more DSL coverage, faster speeds
- Tunkhannock, PA: more DSL coverage, faster speeds
- Tuba City, AZ: less DSL coverage, slower speeds
- Export, PA: more DSL coverage, faster speeds
- Washington, IA: more DSL coverage, faster speeds
- Bremen, IN: more DSL coverage, faster speeds