In South Carolina there are 8 residential Cable providers covering 84.89% of the state. The average home can get speeds up to 1,105 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 South Carolina.
To see availability maps for all providers including fiber, cable, DSL, and more in South Carolina please click below.
South Carolina Availability Maps
Cable Internet Service Providers in South Carolina
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 South Carolina are not shown.
South Carolina 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 South Carolina is cable internet available?
Cable Internet Availability Key
Cable is available in 84.89% of South Carolina. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is Spectrum. Call one of the companies with service in South Carolina above to see who has service at your home.
How fast is cable internet in South Carolina?
The map below shows maximum cable internet speeds by area in South Carolina.
Cable Internet Speed Key
The average South Carolina home can get up to 1,105 Mbps on their cable internet plan. The fastest cable download speed in the state is 2,000 Mbps, which 7.77% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 75 Mbps. See the internet provider details below for info about their speed and coverage in South Carolina.
Cable internet speeds tend to be faster in the southwest parts of South Carolina, and slower in the northeast areas of the state.
Is cable the fastest internet I can get in South Carolina?
The fastest internet for you may vary based on where in South Carolina you live. In general, fiber competes most often with cable in the state.
- Fiber is the fastest internet type for 66.97% of South Carolina homes.
- Cable is fastest for 29.99% of the state.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.14%.
- Satellite internet may be the only option for 1.66% of South Carolina homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in South Carolina, along with details on where in South Carolina and at what speeds.
Spectrum Cable in South Carolina
Spectrum cable coverage
About 58.65%, or 3,002,160 people, have Spectrum cable internet available to them in the state. The company covers the northwest, central, east, southeast, south, north, west, and northeast South Carolina area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of South Carolina.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in South Carolina. Versus other cable providers in the area, Spectrum cable is below average. There are no different maximum speeds throughout South Carolina. The fastest plan anyone in South Carolina can order from Spectrum goes up to 1,000 Mbps, and all South Carolina customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In South Carolina download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and below average compared to other South Carolina cable providers. Spectrum offers 2 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in South Carolina is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 35 Mbps.
Show all upload speeds
- 0.0% up to 1,000.0 Mbps
- 100.0% up to 35.0 Mbps
XFINITY from Comcast Cable in South Carolina
XFINITY cable coverage
About 15.69%, or 803,228 people, have XFINITY cable internet available to them in the state. The company covers the southeast, southwest, south, west, central, and northwest South Carolina area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of South Carolina.
XFINITY from Comcast cable download speeds
XFINITY is below average when comparing download speeds to all other internet providers in South Carolina. Versus other cable providers in the area, XFINITY cable is above average. There are 2 different maximum speeds throughout South Carolina. The fastest plan anyone in South Carolina can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the state-wide average maximum speed for South Carolina customers is up to 1,570 Mbps.
Show all download speeds
- 46.3% up to 2,000.0 Mbps
- 53.7% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In South Carolina download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and above average compared to other South Carolina cable providers. XFINITY offers 3 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in South Carolina is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 136 Mbps.
Show all upload speeds
- 0.1% up to 1,000.0 Mbps
- 46.2% up to 250.0 Mbps
- 53.7% up to 35.0 Mbps
WOW! Cable in South Carolina
WOW! cable coverage
About 6.20%, or 317,447 people, have WOW! cable internet available to them in the state. The company covers the southeast South Carolina area. WOW! is a large internet service provider internet service providers in the US, with internet service available in a very small piece of South Carolina.
WOW! cable download speeds
WOW! is below average when comparing download speeds to all other internet providers in South Carolina. Versus other cable providers in the area, WOW! cable is above average. There are no different maximum speeds throughout South Carolina. The fastest plan anyone in South Carolina can order from WOW! goes up to 1,200 Mbps, and all South Carolina customers can get this speed.
Show all download speeds
- 100.0% up to 1,200.0 Mbps
WOW! cable upload speeds
In South Carolina download speeds tend to be faster than than upload speeds for WOW! cable. Compared to other ISPs, WOW! is below average where upload speeds are concerned, and below average compared to other South Carolina cable providers. WOW! offers no different upload speeds across the state. The fastest upload speed available to anyone from this ISP in South Carolina is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
COMPORIUM Cable in South Carolina
COMPORIUM cable coverage
About 5.63%, or 287,974 people, have COMPORIUM cable internet available to them in the state. The company covers the north, northwest, central, and west South Carolina area. COMPORIUM is a large internet service provider internet service providers in the US, with internet service available in a very small piece of South Carolina.
COMPORIUM cable download speeds
COMPORIUM is below average when comparing download speeds to all other internet providers in South Carolina. Versus other cable providers in the area, COMPORIUM cable is below average. There are 2 different maximum speeds throughout South Carolina. The fastest plan anyone in South Carolina can order from COMPORIUM goes up to 1,000 Mbps, the slowest package only goes up to 75 Mbps, and the state-wide average maximum speed for South Carolina customers is up to 959 Mbps.
Show all download speeds
- 95.5% up to 1,000.0 Mbps
- 4.5% up to 75.0 Mbps
COMPORIUM cable upload speeds
In South Carolina download speeds tend to be faster than than upload speeds for COMPORIUM cable. Compared to other ISPs, COMPORIUM is below average where upload speeds are concerned, and below average compared to other South Carolina cable providers. COMPORIUM offers 3 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in South Carolina is up to 100 Mbps. Some customers have slower plan choices, which only go up to 10 Mbps. On average, COMPORIUM customers can get speeds up to 56 Mbps.
Show all upload speeds
- 15.6% up to 100.0 Mbps
- 80.0% up to 50.0 Mbps
- 4.5% up to 10.0 Mbps
Vyve Broadband Cable in South Carolina
Vyve Broadband cable coverage
About 3.34%, or 170,777 people, have Vyve Broadband cable internet available to them in the state. The company covers the northwest and west South Carolina area. Vyve Broadband is a large internet service provider internet service providers in the US, with internet service available in a very small piece of South Carolina.
Vyve Broadband cable download speeds
Vyve Broadband is below average when comparing download speeds to all other internet providers in South Carolina. Versus other cable providers in the area, Vyve Broadband cable is below average. There are no different maximum speeds throughout South Carolina. The fastest plan anyone in South Carolina can order from Vyve Broadband goes up to 1,000 Mbps, and all South Carolina customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Vyve Broadband cable upload speeds
In South Carolina download speeds tend to be faster than than upload speeds for Vyve Broadband cable. Compared to other ISPs, Vyve Broadband is below average where upload speeds are concerned, and below average compared to other South Carolina cable providers. Vyve Broadband offers 2 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in South Carolina is up to 100 Mbps. Some customers have slower plan choices, which only go up to 50 Mbps. On average, Vyve Broadband customers can get speeds up to 78 Mbps.
Show all upload speeds
- 56.3% up to 100.0 Mbps
- 43.7% up to 50.0 Mbps
Atlantic Broadband Cable in South Carolina
Atlantic Broadband cable coverage
About 2.89%, or 148,101 people, have Atlantic Broadband cable internet available to them in the state. The company covers the southwest, south, and west South Carolina area. Atlantic Broadband is a large internet service provider internet service providers in the US, with internet service available in a very small piece of South Carolina.
Atlantic Broadband cable download speeds
Atlantic Broadband is below average when comparing download speeds to all other internet providers in South Carolina. Versus other cable providers in the area, Atlantic Broadband cable is below average. There are no different maximum speeds throughout South Carolina. The fastest plan anyone in South Carolina can order from Atlantic Broadband goes up to 1,000 Mbps, and all South Carolina customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Atlantic Broadband cable upload speeds
In South Carolina download speeds tend to be faster than than upload speeds for Atlantic Broadband cable. Compared to other ISPs, Atlantic Broadband is below average where upload speeds are concerned, and below average compared to other South Carolina cable providers. Atlantic Broadband offers no different upload speeds across the state. The fastest upload speed available to anyone from this ISP in South Carolina is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Sparklight Cable in South Carolina
Sparklight cable coverage
About 2.37%, or 121,295 people, have Sparklight cable internet available to them in the state. The company covers the south South Carolina area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of South Carolina.
Sparklight cable download speeds
Sparklight is below average when comparing download speeds to all other internet providers in South Carolina. Versus other cable providers in the area, Sparklight cable is below average. There are no different maximum speeds throughout South Carolina. The fastest plan anyone in South Carolina can order from Sparklight goes up to 1,000 Mbps, and all South Carolina customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Sparklight cable upload speeds
In South Carolina download speeds tend to be faster than than upload speeds for Sparklight cable. Compared to other ISPs, Sparklight is below average where upload speeds are concerned, and below average compared to other South Carolina cable providers. Sparklight offers 2 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in South Carolina is up to 50 Mbps. Some customers have slower plan choices, which only go up to 40 Mbps. On average, Sparklight customers can get speeds up to 50 Mbps.
Show all upload speeds
- 99.9% up to 50.0 Mbps
- 0.1% up to 40.0 Mbps
HTC (South Carolina) Cable in South Carolina
HTC cable coverage
About 1.18%, or 60,222 people, have HTC cable internet available to them in the state. The company covers the east and southeast South Carolina area. HTC is a large internet service provider internet service providers in the US, with internet service available in a very small piece of South Carolina.
HTC (South Carolina) cable download speeds
HTC is below average when comparing download speeds to all other internet providers in South Carolina. Versus other cable providers in the area, HTC cable is below average. There are no different maximum speeds throughout South Carolina. The fastest plan anyone in South Carolina can order from HTC goes up to 1,000 Mbps, and all South Carolina customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
HTC (South Carolina) cable upload speeds
In South Carolina download speeds tend to be faster than than upload speeds for HTC cable. Compared to other ISPs, HTC is below average where upload speeds are concerned, and below average compared to other South Carolina cable providers. HTC offers 2 different upload speeds across the state, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in South Carolina is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, HTC customers can get speeds up to 37 Mbps.
Show all upload speeds
- 0.2% up to 1,000.0 Mbps
- 99.8% up to 35.0 Mbps
South Carolina Cable by Area
This information is most helpful to those looking for homes or considering moving to South Carolina or any of the areas nearby.
How does cable internet in South Carolina compare to the rest of the United States?
Cable internet speeds in South Carolina are much faster versus the average speeds in the United States: 0.00 Mbps in the United States versus 1,105 Mbps in the state. The nation has similar cable availability compared to the state. Average cable coverage in the United States is 0.00% versus 84.89% in South Carolina.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around South Carolina 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 states?
Below are states nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby States
- North Carolina: more cable coverage, slower speeds
- Georgia: more cable coverage, faster speeds
- Virginia: more cable coverage, faster speeds
- Tennessee: more cable coverage, faster speeds
- West Virginia: less cable coverage, faster speeds
- Alabama: less cable coverage, faster speeds
- Kentucky: less cable coverage, slower speeds
- Florida: more cable coverage, faster speeds
- District of Columbia: more cable coverage, faster speeds
- Maryland: more cable coverage, faster speeds
States with Similar Populations
- Arizona: less cable coverage, faster speeds
- Alabama: less cable coverage, faster speeds
- Louisiana: more cable coverage, faster speeds
- Kentucky: less cable coverage, slower speeds
- Kansas: less cable coverage, faster speeds
- Iowa: less cable coverage, slower speeds
- Indiana: less cable coverage, faster speeds
- Illinois: more cable coverage, faster speeds
- Idaho: less cable coverage, slower speeds
- Hawaii: more cable coverage, slower speeds