In Dorchester County there are 3 residential Cable providers covering 88.92% of the county. The average home can get speeds up to 1,171 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 Dorchester County, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Dorchester County, SC please click below.
Dorchester County, SC Availability Maps
Cable Internet Service Providers in Dorchester 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 Dorchester County are not shown.
Dorchester 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 Dorchester County is cable internet available?
Cable Internet Availability Key
Cable is available in 88.92% of Dorchester County. 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 Dorchester County above to see who has service at your home.
How fast is cable internet in Dorchester County?
The map below shows maximum cable internet speeds by area in Dorchester County.
Cable Internet Speed Key
The average Dorchester County home can get up to 1,171 Mbps on their cable internet plan. The fastest cable download speed in the county is 2,000 Mbps, which 6.07% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 37.30% 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 Dorchester County.
Cable internet speeds tend to be faster in the northwest parts of Dorchester County, and slower in the north areas of the county.
Is cable the fastest internet I can get in Dorchester County?
The fastest internet for you may vary based on where in Dorchester County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 69.08% of Dorchester County homes.
- Cable is fastest for 29.52% 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 Dorchester County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Dorchester County, along with details on where in Dorchester County and at what speeds.
Spectrum Cable in Dorchester County, SC
Spectrum cable coverage
About 87.20%, or 140,867 people, have Spectrum cable internet available to them in the county. The company covers the southeast, central, south, east, north, and northwest Dorchester County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Dorchester County.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Dorchester County. Versus other cable providers in the area, Spectrum cable is the slowest. There are no different maximum speeds throughout Dorchester County. The fastest plan anyone in Dorchester County can order from Spectrum goes up to 1,000 Mbps, and all Dorchester County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Dorchester County 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 Dorchester County cable providers. Spectrum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Dorchester County 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 Dorchester County, SC
WOW! cable coverage
About 45.13%, or 72,895 people, have WOW! cable internet available to them in the county. The company covers the southeast, central, east, and south Dorchester County area. WOW! is a large internet service provider internet service providers in the US, with internet service available in some of Dorchester County.
WOW! cable download speeds
WOW! is below average when comparing download speeds to all other internet providers in Dorchester County. Versus other cable providers in the area, WOW! cable is below average. There are no different maximum speeds throughout Dorchester County. The fastest plan anyone in Dorchester County can order from WOW! goes up to 1,200 Mbps, and all Dorchester County customers can get this speed.
Show all download speeds
- 100.0% up to 1,200.0 Mbps
WOW! cable upload speeds
In Dorchester County 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 Dorchester County cable providers. WOW! offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Dorchester County 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 Dorchester County, SC
XFINITY cable coverage
About 25.29%, or 40,856 people, have XFINITY cable internet available to them in the county. The company covers the southeast, east, central, south, north, and northwest Dorchester County 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 Dorchester County.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Dorchester County. Versus other cable providers in the area, XFINITY cable is below average. There are 2 different maximum speeds throughout Dorchester County. The fastest plan anyone in Dorchester County can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the county-wide average maximum speed for Dorchester County customers is up to 1,367 Mbps.
Show all download speeds
- 20.9% up to 2,000.0 Mbps
- 79.1% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Dorchester County 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 Dorchester County cable providers. XFINITY 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 Dorchester County is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 80 Mbps.
Show all upload speeds
- 20.9% up to 250.0 Mbps
- 79.1% up to 35.0 Mbps
Dorchester County Cable by Area
This information is most helpful to those looking for homes or considering moving to Dorchester County or any of the areas nearby.
How does cable internet in Dorchester County compare to the rest of South Carolina?
Cable internet speeds in Dorchester County are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 1,171 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in South Carolina is 0.00% versus 88.92% in Dorchester County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Dorchester 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
- Berkeley County, SC: less cable coverage, faster speeds
- Charleston County, SC: more cable coverage, faster speeds
- Colleton County, SC: less cable coverage, faster speeds
- Hampton County, SC: less cable coverage, slower speeds
- Allendale County, SC: less cable coverage, slower speeds
- Jefferson County, GA: less cable coverage, faster speeds
- Washington County, GA: less cable coverage, slower speeds
- Baldwin County, GA: less cable coverage, slower speeds
- Wilkinson County, GA: less cable coverage, slower speeds
- Jones County, GA: less cable coverage, faster speeds
Counties with Similar Populations
- McLean County, IL: less cable coverage, faster speeds
- Beaver County, PA: more cable coverage, faster speeds
- Greene County, OH: more cable coverage, slower speeds
- Bibb County, GA: more cable coverage, faster speeds
- Carolina Municipio, PR: more cable coverage, slower speeds
- Catawba County, NC: more cable coverage, slower speeds
- Centre County, PA: less cable coverage, faster speeds
- Chittenden County, VT: more cable coverage, faster speeds
- Ector County, TX: more cable coverage, faster speeds
- Davidson County, NC: more cable coverage, slower speeds