Click if you were looking for Sumter County cell phone providers and coverage instead.
In Sumter County there are 4 residential Fixed Wireless providers covering 91.24% of the county. The average home can get speeds up to 149 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 Fixed Wireless internet providers in Sumter County, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Sumter County, SC please click below.
Sumter County, SC Availability Maps
Fixed Wireless 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
Where in Sumter County is fixed wireless internet available?

Fixed Wireless Internet Availability Key
Fixed Wireless is available in 91.24% of Sumter County. Areas in green have fixed wireless internet service, where areas in yellow or red may not. The most widely available provider is Verizon. Call one of the companies with service in Sumter County above to see who has service at your home.
How fast is fixed wireless internet in Sumter County?
The map below shows maximum fixed wireless internet speeds by area in Sumter County.

Fixed Wireless Internet Speed Key
The average Sumter County home can get up to 149 Mbps on their fixed wireless internet plan. The fastest fixed wireless download speed in the county is 300 Mbps, which 33.50% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 29.29% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Sumter County.
Fixed Wireless internet speeds tend to be faster in the central parts of Sumter County, and slower in the northwest areas of the county.
Is fixed wireless the fastest internet I can get in Sumter County?
The fastest internet for you may vary based on where in Sumter County you live. In general, fiber competes most often with fixed wireless 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.
Fixed Wireless 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.
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 Fixed Wireless 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 fixed wireless internet in Sumter County compare to the rest of South Carolina?
Fixed Wireless internet speeds in Sumter County are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 149 Mbps in the county. The state has similar fixed wireless availability compared to the county. Average fixed wireless coverage in South Carolina is 0.00% versus 91.24% in Sumter County.
What zip codes have fixed wireless internet?
Fixed Wireless 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 fixed wireless 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
- Richland County, SC: more fixed wireless coverage, faster speeds
- Lexington County, SC: more fixed wireless coverage, faster speeds
- Saluda County, SC: less fixed wireless coverage, slower speeds
- McCormick County, SC: less fixed wireless coverage, slower speeds
- Brunswick County, NC: more fixed wireless coverage, faster speeds
- Oglethorpe County, GA: less fixed wireless coverage, slower speeds
- Clarke County, GA: more fixed wireless coverage, faster speeds
- Oconee County, GA: more fixed wireless coverage, slower speeds
- Barrow County, GA: more fixed wireless coverage, faster speeds
- Gwinnett County, GA: more fixed wireless coverage, faster speeds
Counties with Similar Populations
- Monongalia County, WV: more fixed wireless coverage, faster speeds
- Flagler County, FL: more fixed wireless coverage, faster speeds
- Flathead County, MT: more fixed wireless coverage, faster speeds
- Franklin County, MO: more fixed wireless coverage, faster speeds
- Hanover County, VA: more fixed wireless coverage, faster speeds
- Hardin County, KY: more fixed wireless coverage, faster speeds
- Highlands County, FL: more fixed wireless coverage, faster speeds
- Houston County, AL: more fixed wireless coverage, faster speeds
- Lycoming County, PA: more fixed wireless coverage, faster speeds
- Madison County, MS: more fixed wireless coverage, faster speeds


