In Marion County there are 2 residential Fiber providers covering 41.96% of the county. The average home can get speeds up to 1,626 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 Fiber internet providers in Marion County, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Marion County, SC please click below.
Marion County, SC Availability Maps
Fiber Internet Service Providers in Marion 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 Marion County are not shown.
Marion 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 Marion County is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 41.96% of Marion County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is HTC. Call one of the companies with service in Marion County above to see who has service at your home.
How fast is fiber internet in Marion County?
The map below shows maximum fiber internet speeds by area in Marion County.

Fiber Internet Speed Key
The average Marion County home can get up to 1,626 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 2,000 Mbps, which 26.27% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 15.69% 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 Marion County.
Fiber internet speeds tend to be faster in the southeast parts of Marion County, and slower in the west areas of the county.
Is fiber the fastest internet I can get in Marion County?
The fastest internet for you may vary based on where in Marion County you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 41.96% of Marion County homes.
- Cable is fastest for 56.82% 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 Marion County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Marion County, along with details on where in Marion County and at what speeds.
Spectrum Fiber in Marion County, SC

Spectrum fiber coverage
About 30.65%, or 8,944 people, have Spectrum fiber internet available to them in the county. The company covers the entire Marion County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Marion County.
Spectrum fiber download speeds
Spectrum is above average when comparing download speeds to all other internet providers in Marion County. Versus other fiber providers in the area, Spectrum fiber is the slowest. There are no different maximum speeds throughout Marion County. The fastest plan anyone in Marion County can order from Spectrum goes up to 1,000 Mbps, and all Marion County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Marion County download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is above average where upload speeds are concerned, and the slowest compared to other Marion County fiber providers. Spectrum offers 3 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 Marion County 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 463 Mbps.
Show all upload speeds
- 0.7% up to 1,000.0 Mbps
- 90.7% up to 500.0 Mbps
- 8.6% up to 35.0 Mbps
HTC (South Carolina) Fiber in Marion County, SC

HTC fiber coverage
About 26.27%, or 7,665 people, have HTC fiber internet available to them in the county. The company covers the south, southeast, northeast, southwest, north, east, central, and northwest Marion County area. HTC is a large internet service provider internet service providers in the US, with internet service available in a small portion of Marion County.
HTC (South Carolina) fiber download speeds
HTC is the fastest when comparing download speeds to all other internet providers in Marion County. Versus other fiber providers in the area, HTC fiber is the fastest. There are no different maximum speeds throughout Marion County. The fastest plan anyone in Marion County can order from HTC goes up to 2,000 Mbps, and all Marion County customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
HTC (South Carolina) fiber upload speeds
In Marion County download speeds tend to be equal to than upload speeds for HTC fiber. Compared to other ISPs, HTC is the fastest where upload speeds are concerned, and the fastest compared to other Marion County fiber providers. HTC offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Marion County is up to 2,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,000.0 Mbps
Marion County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Marion County or any of the areas nearby.
How does fiber internet in Marion County compare to the rest of South Carolina?
Fiber internet speeds in Marion County are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 1,626 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in South Carolina is 0.00% versus 41.96% in Marion County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Marion County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber 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
- Florence County, SC: more fiber coverage, faster speeds
- Columbus County, NC: more fiber coverage, faster speeds
- Lee County, SC: more fiber coverage, slower speeds
- Brunswick County, NC: more fiber coverage, faster speeds
- Kershaw County, SC: more fiber coverage, faster speeds
- New Hanover County, NC: more fiber coverage, faster speeds
- Richland County, SC: more fiber coverage, faster speeds
- Newberry County, SC: more fiber coverage, slower speeds
- Greenwood County, SC: more fiber coverage, faster speeds
- Abbeville County, SC: more fiber coverage, faster speeds
Counties with Similar Populations
- Washington County, IA: more fiber coverage, slower speeds
- Alpena County, MI: less fiber coverage, faster speeds
- Amherst County, VA: less fiber coverage, slower speeds
- Anasco Municipio, PR: more fiber coverage, slower speeds
- Anderson County, KY: more fiber coverage, faster speeds
- Bandera County, TX: more fiber coverage, faster speeds
- Wayne County, MS: more fiber coverage, slower speeds
- Washington County, NE: more fiber coverage, faster speeds
- Washington County, MO: less fiber coverage, slower speeds
- Yell County, AR: more fiber coverage, slower speeds


