In Summerville there are 3 residential Cable providers covering 95.72% of the city. The average home can get speeds up to 1,217 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 Summerville, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Summerville, SC please click below.
Summerville, SC Availability Maps
Cable Internet Service Providers in Summerville
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 Summerville are not shown.
Summerville 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 Summerville is cable internet available?
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Cable is available in 95.72% of Summerville. 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 Summerville above to see who has service at your home.
How fast is cable internet in Summerville?
The map below shows maximum cable internet speeds by area in Summerville.
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The average Summerville home can get up to 1,217 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 11.73% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 38.60% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Summerville.
Cable internet speeds tend to be faster in the northeast parts of Summerville, and slower in the northwest areas of the city.
Is cable the fastest internet I can get in Summerville?
The fastest internet for you may vary based on where in Summerville you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 71.32% of Summerville homes.
- Cable is fastest for 28.38% 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 Summerville homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Summerville, along with details on where in Summerville and at what speeds.
Spectrum Cable in Summerville, SC
Spectrum cable coverage
About 92.21%, or 132,824 people, have Spectrum cable internet available to them in the city. The company covers the entire Summerville area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Summerville.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Summerville. Versus other cable providers in the area, Spectrum cable is the slowest. There are no different maximum speeds throughout Summerville. The fastest plan anyone in Summerville can order from Spectrum goes up to 1,000 Mbps, and all Summerville customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Summerville 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 the slowest compared to other Summerville cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Summerville is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
WOW! Cable in Summerville, SC
WOW! cable coverage
About 40.00%, or 57,625 people, have WOW! cable internet available to them in the city. The company covers the south, west, southeast, central, southwest, northeast, east, and north Summerville area. WOW! is a large internet service provider internet service providers in the US, with internet service available in some of Summerville.
WOW! cable download speeds
WOW! is below average when comparing download speeds to all other internet providers in Summerville. Versus other cable providers in the area, WOW! cable is below average. There are no different maximum speeds throughout Summerville. The fastest plan anyone in Summerville can order from WOW! goes up to 1,200 Mbps, and all Summerville customers can get this speed.
Show all download speeds
- 100.0% up to 1,200.0 Mbps
WOW! cable upload speeds
In Summerville 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 Summerville cable providers. WOW! offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Summerville is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
XFINITY from Comcast Cable in Summerville, SC
XFINITY cable coverage
About 37.66%, or 54,254 people, have XFINITY cable internet available to them in the city. The company covers the entire Summerville area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in some of Summerville.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Summerville. Versus other cable providers in the area, XFINITY cable is above average. There are 2 different maximum speeds throughout Summerville. The fastest plan anyone in Summerville can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the city-wide average maximum speed for Summerville customers is up to 1,434 Mbps.
Show all download speeds
- 29.2% up to 2,000.0 Mbps
- 70.8% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Summerville 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 below average compared to other Summerville cable providers. XFINITY offers 3 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 Summerville 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 108 Mbps.
Show all upload speeds
- 1.3% up to 1,000.0 Mbps
- 28.2% up to 250.0 Mbps
- 70.5% up to 35.0 Mbps
Summerville Cable by Area
This information is most helpful to those looking for homes or considering moving to Summerville or any of the areas nearby.
How does cable internet in Summerville compare to the rest of South Carolina?
Cable internet speeds in Summerville are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 1,217 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in South Carolina is 0.00% versus 95.72% in Summerville.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Summerville 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 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
- Lincolnville, SC: more cable coverage, slower speeds
- Ladson, SC: more cable coverage, faster speeds
- Dorchester Estates, SC: less cable coverage, faster speeds
- Jedburg, SC: less cable coverage, faster speeds
- Goose Creek, SC: less cable coverage, faster speeds
- Long Ridge, SC: less cable coverage, slower speeds
- Ridgeville, SC: less cable coverage, slower speeds
- Strawberry, SC: less cable coverage, slower speeds
- Whitesville, SC: less cable coverage, slower speeds
- North Charleston, SC: more cable coverage, faster speeds
Cities with Similar Populations
- Fort Mill, SC: less cable coverage, slower speeds
- Florence, SC: more cable coverage, slower speeds
- Folsom, CA: more cable coverage, faster speeds
- Covina, CA: more cable coverage, slower speeds
- Conyers, GA: more cable coverage, faster speeds
- Columbus, GA: more cable coverage, slower speeds
- Columbus, OH: less cable coverage, slower speeds
- Clovis, CA: more cable coverage, faster speeds
- Citrus Heights, CA: more cable coverage, faster speeds
- Clarksville, TN: less cable coverage, slower speeds