In Marlboro County there is 1 residential Cable provider covering 57.46% of the county. The average home can get speeds up to 255 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 Cable internet providers in Marlboro County, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Marlboro County, SC please click below.
Marlboro County, SC Availability Maps
Cable Internet Service Provider in Marlboro 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 Marlboro County are not shown.
Marlboro 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 Marlboro County is cable internet available?
Cable Internet Availability Key
Cable is available in 57.46% of Marlboro County. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Sandhill Telephone Cooperative. Call one of the companies with service in Marlboro County above to see who has service at your home.
How fast is cable internet in Marlboro County?
The map below shows maximum cable internet speeds by area in Marlboro County.
Cable Internet Speed Key
The average Marlboro County home can get up to 255 Mbps on their cable internet plan. The fastest cable download speed in the county is 1,000 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, 57.09% of homes can only purchase plans up to 250 Mbps. See the internet provider details below for info about their speed and coverage in Marlboro County.
Cable internet speeds tend to be faster in the northwest parts of Marlboro County, and slower in the central areas of the county.
Is cable the fastest internet I can get in Marlboro County?
The fastest internet for you may vary based on where in Marlboro County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 95.70% of Marlboro County homes.
- Cable is fastest for 3.73% 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 Marlboro County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Marlboro County, along with details on where in Marlboro County and at what speeds.
Sandhill Telephone Cooperative Cable in Marlboro County, SC
Sandhill Telephone Cooperative cable coverage
About 57.30%, or 15,279 people, have Sandhill Telephone Cooperative cable internet available to them in the county. The company covers the central, west, northeast, south, southwest, east, southeast, and north Marlboro County area. Sandhill Telephone Cooperative is a large internet service provider internet service providers in the US, with internet service available in a majority of Marlboro County.
Sandhill Telephone Cooperative cable download speeds
Sandhill Telephone Cooperative is below average when comparing download speeds to all other internet providers in Marlboro County. Versus other cable providers in the area, Sandhill Telephone Cooperative cable is the slowest. There are no different maximum speeds throughout Marlboro County. The fastest plan anyone in Marlboro County can order from Sandhill Telephone Cooperative goes up to 250 Mbps, and all Marlboro County customers can get this speed.
Show all download speeds
- 100.0% up to 250.0 Mbps
Sandhill Telephone Cooperative cable upload speeds
In Marlboro County download speeds tend to be faster than than upload speeds for Sandhill Telephone Cooperative cable. Compared to other ISPs, Sandhill Telephone Cooperative is below average where upload speeds are concerned, and the slowest compared to other Marlboro County cable providers. Sandhill Telephone Cooperative offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Marlboro County is up to 25 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 25.0 Mbps
Marlboro County Cable by Area
This information is most helpful to those looking for homes or considering moving to Marlboro County or any of the areas nearby.
How does cable internet in Marlboro County compare to the rest of South Carolina?
Cable internet speeds in Marlboro County are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 255 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in South Carolina is 0.00% versus 57.46% in Marlboro County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Marlboro County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable 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
- Scotland County, NC: more cable coverage, faster speeds
- Chesterfield County, SC: less cable coverage, faster speeds
- Robeson County, NC: more cable coverage, faster speeds
- Bladen County, NC: less cable coverage, faster speeds
- Chester County, SC: less cable coverage, faster speeds
- Union County, SC: more cable coverage, faster speeds
- Onslow County, NC: more cable coverage, faster speeds
- Laurens County, SC: more cable coverage, faster speeds
- Carteret County, NC: more cable coverage, faster speeds
- Anderson County, SC: more cable coverage, faster speeds
Counties with Similar Populations
- Young County, TX: more cable coverage, faster speeds
- Banks County, GA: less cable coverage, faster speeds
- Alcorn County, MS: more cable coverage, faster speeds
- Aguas Buenas Municipio, PR: more cable coverage, faster speeds
- Adjuntas Municipio, PR: less cable coverage, faster speeds
- Adams County, WI: less cable coverage, faster speeds
- Adams County, WA: more cable coverage, faster speeds
- Adams County, OH: less cable coverage, faster speeds
- Adams County, NE: more cable coverage, faster speeds
- Adams County, MS: more cable coverage, faster speeds