In Sumter County there are 9 residential internet providers covering 97.63% of the county. The average home can get speeds up to 995 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.
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9 Internet Service Providers in Sumter 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 Sumter County are not shown.
Sumter 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
Availability maps for all providers in Sumter County
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
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Internet service is available in 97.63% of Sumter County. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is Spectrum. Now you can call companies in Sumter County with more confidence that they might be available.
How fast are internet speeds in Sumter County?
The map below shows maximum internet speeds by area in Sumter County.
Internet Speed Key
The average Sumter County home can get up to 995 Mbps on their internet plan. For most people, the fastest download speed in the county is 1,000 Mbps, which 97.13% 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 10 Mbps. See the internet provider details below for info about their speed and coverage in Sumter County.
Internet speeds tend to be faster in the central parts of Sumter County, and slower in the northwest areas of the county.
What type of internet should I choose in Sumter County?
The fastest internet for you may vary based on where in Sumter County you live. If speed is your main concern, fiber will be the fastest internet in the county.
- Fiber is the fastest internet type for 65.72% of Sumter County homes.
- Cable is fastest for 31.41% 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 2.37% of Sumter County homes.
Internet Market Health in Sumter County
Internet Competition Key
The map shows how competitive the Sumter County internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Sumter County based on what connections the average home has availabile:
- Average number of internet service providers to a home: 3.9 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.9 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 3.7 (unhealthy)
Overall, competition is unhealthy.
Sumter County internet customers have the ability to buy internet service from 1 to 8 different providers, depending on where they live. For different types of service, Sumter County homes have between 1 and 4 options. The type(s) of service available are fixed wireless, cable, fiber, and dsl, though these may vary depending on the region within the county.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Sumter County internet customers who want faster speeds have between 0 and 7 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Sumter County needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Sumter County, along with details on where in Sumter County and at what speeds.
Spectrum Cable in Sumter County, SC
Spectrum cable coverage
About 88.42%, or 93,332 people, have Spectrum cable internet available to them in the county. The company covers the entire Sumter County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Sumter County.
Spectrum cable download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in Sumter County. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Sumter County. The fastest plan anyone in Sumter County can order from Spectrum goes up to 1,000 Mbps, and all Sumter County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Sumter 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 fastest compared to other Sumter County cable providers. Spectrum 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 Sumter 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 36 Mbps.
Show all upload speeds
- 0.1% up to 1,000.0 Mbps
- 99.9% up to 35.0 Mbps
FTC Communications Fiber in Sumter County, SC
FTC fiber coverage
About 66.20%, or 69,879 people, have FTC fiber internet available to them in the county. The company covers the entire Sumter County area. FTC is a large internet service provider internet service providers in the US, with internet service available in much of Sumter County.
FTC Communications fiber download speeds
FTC is above average when comparing download speeds to all other internet providers in Sumter County. Versus other fiber providers in the area, FTC fiber is the slowest. There are 2 different maximum speeds throughout Sumter County. The fastest plan anyone in Sumter County can order from FTC goes up to 1,000 Mbps, the slowest package only goes up to 500 Mbps, and the county-wide average maximum speed for Sumter County customers is up to 996 Mbps.
Show all download speeds
- 99.3% up to 1,000.0 Mbps
- 0.7% up to 500.0 Mbps
FTC Communications fiber upload speeds
In Sumter County download speeds tend to be equal to than upload speeds for FTC fiber. Compared to other ISPs, FTC is the fastest where upload speeds are concerned, and the fastest compared to other Sumter County fiber providers. FTC 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 Sumter County is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 500 Mbps. On average, FTC customers can get speeds up to 996 Mbps.
Show all upload speeds
- 99.3% up to 1,000.0 Mbps
- 0.7% up to 500.0 Mbps
FTC Communications DSL in Sumter County, SC
FTC DSL coverage
About 26.63%, or 28,109 people, have FTC DSL internet available to them in the county. The company covers the entire Sumter County area. FTC is a large internet service provider internet service providers in the US, with internet service available in a small portion of Sumter County.
FTC Communications DSL download speeds
FTC is below average when comparing download speeds to all other internet providers in Sumter County. Versus other DSL providers in the area, FTC DSL is the fastest. There are 4 different maximum speeds throughout Sumter County. The fastest plan anyone in Sumter County can order from FTC goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Sumter County customers is up to 50 Mbps.
Show all download speeds
- 23.3% up to 100.0 Mbps
- 38.6% up to 50.0 Mbps
- 21.7% up to 25.0 Mbps
- 16.3% up to 10.0 Mbps
FTC Communications DSL upload speeds
In Sumter County download speeds tend to be faster than than upload speeds for FTC DSL. Compared to other ISPs, FTC is below average where upload speeds are concerned, and the fastest compared to other Sumter County DSL providers. FTC offers 4 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 Sumter County is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, FTC customers can get speeds up to 6.2 Mbps.
Show all upload speeds
- 23.3% up to 10.0 Mbps
- 38.6% up to 8.0 Mbps
- 21.7% up to 3.0 Mbps
- 16.3% up to 1.0 Mbps
Frontier Communications DSL in Sumter County, SC
Frontier DSL coverage
About 21.80%, or 23,011 people, have Frontier DSL internet available to them in the county. The company covers the central, east, south, north, northeast, southeast, southwest, and northwest Sumter County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Sumter County.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Sumter County. Versus other DSL providers in the area, Frontier DSL is average. There are 5 different maximum speeds throughout Sumter County. The fastest plan anyone in Sumter County can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Sumter County customers is up to 13 Mbps.
Show all download speeds
- 0.8% up to 115.0 Mbps
- 2.0% up to 90.0 Mbps
- 0.3% up to 70.0 Mbps
- 1.2% up to 45.0 Mbps
- 95.7% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Sumter County download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is below average where upload speeds are concerned, and average compared to other Sumter County DSL providers. Frontier offers 4 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 Sumter County is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 1.2 Mbps.
Show all upload speeds
- 0.8% up to 7.0 Mbps
- 2.0% up to 5.0 Mbps
- 1.5% up to 3.0 Mbps
- 95.7% up to 1.0 Mbps
T-Mobile Home Internet Fixed Wireless in Sumter County, SC
T-Mobile Home Internet fixed wireless coverage
About 90.33%, or 95,345 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the entire Sumter County area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of Sumter County.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Sumter County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Sumter County. The fastest plan anyone in Sumter County can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Sumter County customers is up to 67 Mbps.
Show all download speeds
- 56.1% up to 100.0 Mbps
- 43.9% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Sumter County download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and above average compared to other Sumter County fixed wireless providers. T-Mobile Home Internet 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 Sumter County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 13 Mbps.
Show all upload speeds
- 56.1% up to 20.0 Mbps
- 43.9% up to 3.0 Mbps
Verizon Fixed Wireless in Sumter County, SC
Verizon fixed wireless coverage
About 33.50%, or 35,365 people, have Verizon fixed wireless internet available to them in the county. The company covers the central, south, east, southeast, north, southwest, west, and northeast Sumter County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Sumter County.
Verizon fixed wireless download speeds
Verizon is average when comparing download speeds to all other internet providers in Sumter County. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Sumter County. The fastest plan anyone in Sumter County can order from Verizon goes up to 300 Mbps, and all Sumter County customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Sumter County download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and the fastest compared to other Sumter County fixed wireless providers. Verizon offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Sumter County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
EarthLink Fixed Wireless in Sumter County, SC
EarthLink fixed wireless coverage
About 27.97%, or 29,524 people, have EarthLink fixed wireless internet available to them in the county. The company covers the entire Sumter County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Sumter County.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Sumter County. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are no different maximum speeds throughout Sumter County. The fastest plan anyone in Sumter County can order from EarthLink goes up to 25 Mbps, and all Sumter County customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Sumter County download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Sumter County fixed wireless providers. EarthLink offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Sumter County is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
AT&T Fixed Wireless in Sumter County, SC
AT&T fixed wireless coverage
About 27.97%, or 29,524 people, have AT&T fixed wireless internet available to them in the county. The company covers the entire Sumter County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Sumter County.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Sumter County. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are no different maximum speeds throughout Sumter County. The fastest plan anyone in Sumter County can order from AT&T goes up to 25 Mbps, and all Sumter County customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Sumter County download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other Sumter County fixed wireless providers. AT&T offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Sumter County is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Sumter County Internet by Area
This information is most helpful to those looking for homes or considering moving to Sumter County or any of the areas nearby.
How does internet in Sumter County compare to the rest of South Carolina?
Internet speeds in Sumter County are slower versus the average speeds in South Carolina: 3,075 Mbps in South Carolina versus 995 Mbps in the county. The state has similar internet availability compared to the county. Average internet coverage in South Carolina is 98.34% versus 97.63% in Sumter County.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Sumter County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service 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
- Richland County, SC: less internet coverage, faster speeds
- Lexington County, SC: more internet coverage, faster speeds
- Saluda County, SC: more internet coverage, faster speeds
- McCormick County, SC: more internet coverage, faster speeds
- Brunswick County, NC: more internet coverage, faster speeds
- Oglethorpe County, GA: more internet coverage, slower speeds
- Clarke County, GA: less internet coverage, faster speeds
- Oconee County, GA: more internet coverage, faster speeds
- Barrow County, GA: more internet coverage, faster speeds
- Gwinnett County, GA: more internet coverage, faster speeds
Counties with Similar Populations
- Monongalia County, WV: less internet coverage, faster speeds
- Flagler County, FL: more internet coverage, faster speeds
- Flathead County, MT: more internet coverage, faster speeds
- Franklin County, MO: more internet coverage, faster speeds
- Hanover County, VA: more internet coverage, faster speeds
- Hardin County, KY: less internet coverage, faster speeds
- Highlands County, FL: more internet coverage, faster speeds
- Houston County, AL: more internet coverage, faster speeds
- Lycoming County, PA: more internet coverage, faster speeds
- Madison County, MS: more internet coverage, faster speeds