In Union County there are 3 residential DSL providers covering 66.00% of the county. The average home can get speeds up to 29 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 DSL internet providers in Union County, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Union County, SC please click below.
Union County, SC Availability Maps
DSL Internet Service Providers in Union 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 Union County are not shown.
Union 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 Union County is DSL internet available?
DSL Internet Availability Key
DSL is available in 66.00% of Union County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in Union County above to see who has service at your home.
How fast is DSL internet in Union County?
The map below shows maximum DSL internet speeds by area in Union County.
DSL Internet Speed Key
The average Union County home can get up to 29 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 100 Mbps, which 8.38% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 45.09% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Union County.
DSL internet speeds tend to be faster in the northeast parts of Union County, and slower in the south areas of the county.
Is DSL the fastest internet I can get in Union County?
The fastest internet for you may vary based on where in Union County you live. In general, cable competes most often with DSL in the county.
- Fiber is the fastest internet type for 33.71% of Union County homes.
- Cable is fastest for 65.26% 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 Union County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Union County, along with details on where in Union County and at what speeds.
EarthLink DSL in Union County, SC
EarthLink DSL coverage
About 62.29%, or 16,969 people, have EarthLink DSL internet available to them in the county. The company covers the entire Union County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Union County.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Union County. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 5 different maximum speeds throughout Union County. The fastest plan anyone in Union County can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Union County customers is up to 26 Mbps.
Show all download speeds
- 9.3% up to 100.0 Mbps
- 5.1% up to 75.0 Mbps
- 8.3% up to 50.0 Mbps
- 6.1% up to 25.0 Mbps
- 71.2% up to 10.0 Mbps
EarthLink DSL upload speeds
In Union County download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Union County DSL providers. EarthLink 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 Union County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 4.7 Mbps.
Show all upload speeds
- 14.4% up to 20.0 Mbps
- 8.3% up to 10.0 Mbps
- 6.1% up to 5.0 Mbps
- 71.2% up to 1.0 Mbps
AT&T DSL in Union County, SC
AT&T DSL coverage
About 62.29%, or 16,969 people, have AT&T DSL internet available to them in the county. The company covers the entire Union County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Union County.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Union County. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 5 different maximum speeds throughout Union County. The fastest plan anyone in Union County can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Union County customers is up to 26 Mbps.
Show all download speeds
- 9.3% up to 100.0 Mbps
- 5.1% up to 75.0 Mbps
- 8.3% up to 50.0 Mbps
- 6.1% up to 25.0 Mbps
- 71.2% up to 10.0 Mbps
AT&T DSL upload speeds
In Union County download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other Union County DSL providers. AT&T 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 Union County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 4.7 Mbps.
Show all upload speeds
- 14.4% up to 20.0 Mbps
- 8.3% up to 10.0 Mbps
- 6.1% up to 5.0 Mbps
- 71.2% up to 1.0 Mbps
TruVista DSL in Union County, SC
TruVista DSL coverage
About 3.78%, or 1,029 people, have TruVista DSL internet available to them in the county. The company covers the northeast and east Union County area. TruVista is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Union County.
TruVista DSL download speeds
TruVista is below average when comparing download speeds to all other internet providers in Union County. Versus other DSL providers in the area, TruVista DSL is the fastest. There are 3 different maximum speeds throughout Union County. The fastest plan anyone in Union County can order from TruVista goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Union County customers is up to 76 Mbps.
Show all download speeds
- 69.0% up to 100.0 Mbps
- 9.8% up to 50.0 Mbps
- 21.2% up to 10.0 Mbps
TruVista DSL upload speeds
In Union County download speeds tend to be faster than than upload speeds for TruVista DSL. Compared to other ISPs, TruVista is below average where upload speeds are concerned, and the fastest compared to other Union County DSL providers. TruVista 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 Union County is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, TruVista customers can get speeds up to 7.6 Mbps.
Show all upload speeds
- 69.0% up to 10.0 Mbps
- 9.8% up to 5.0 Mbps
- 21.2% up to 1.0 Mbps
Union County DSL by Area
This information is most helpful to those looking for homes or considering moving to Union County or any of the areas nearby.
How does DSL internet in Union County compare to the rest of South Carolina?
DSL internet speeds in Union County are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 29 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in South Carolina is 0.00% versus 66.00% in Union County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Union County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does DSL 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
- Chester County, SC: less DSL coverage, faster speeds
- Greenville County, SC: more DSL coverage, faster speeds
- Lancaster County, SC: less DSL coverage, slower speeds
- Pickens County, SC: more DSL coverage, faster speeds
- Oconee County, SC: more DSL coverage, faster speeds
- Chesterfield County, SC: less DSL coverage, faster speeds
- Rabun County, GA: more DSL coverage, faster speeds
- Marlboro County, SC: less DSL coverage, slower speeds
- Scotland County, NC: less DSL coverage, faster speeds
- Union County, GA: more DSL coverage, faster speeds
Counties with Similar Populations
- Jefferson County, KS: more DSL coverage, faster speeds
- Winston County, MS: more DSL coverage, slower speeds
- Woodford County, KY: more DSL coverage, faster speeds
- Woodward County, OK: more DSL coverage, slower speeds
- Worth County, GA: less DSL coverage, slower speeds
- Wright County, MO: more DSL coverage, faster speeds
- Wyandot County, OH: less DSL coverage, slower speeds
- Juncos Municipio, PR: more DSL coverage, slower speeds
- Wyoming County, PA: more DSL coverage, faster speeds
- Wyoming County, WV: less DSL coverage, faster speeds