In Union there are 3 residential DSL providers covering 81.55% of the city. The average home can get speeds up to 22 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, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Union, SC please click below.
DSL Internet Service Providers in Union
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 are not shown.
Union 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 is DSL internet available?

DSL Internet Availability Key
DSL is available in 81.55% of Union. 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 above to see who has service at your home.
How fast is DSL internet in Union?
The map below shows maximum DSL internet speeds by area in Union.

DSL Internet Speed Key
The average Union home can get up to 22 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 Mbps, which 3.42% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 60.79% 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.
DSL internet speeds tend to be faster in the northeast parts of Union, and slower in the south areas of the city.
Is DSL the fastest internet I can get in Union?
The fastest internet for you may vary based on where in Union you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 10.84% of Union homes.
- Cable is fastest for 87.99% of the city.
- 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 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Union, along with details on where in Union and at what speeds.
EarthLink DSL in Union, SC

EarthLink DSL coverage
About 79.70%, or 11,854 people, have EarthLink DSL internet available to them in the city. The company covers the entire Union area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Union.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Union. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 5 different maximum speeds throughout Union. The fastest plan anyone in Union can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Union customers is up to 21 Mbps.
Show all download speeds
- 3.3% up to 100.0 Mbps
- 6.0% up to 75.0 Mbps
- 7.6% up to 50.0 Mbps
- 7.6% up to 25.0 Mbps
- 75.5% up to 10.0 Mbps
EarthLink DSL upload speeds
In Union download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Union DSL providers. EarthLink offers 4 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Union 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 3.8 Mbps.
Show all upload speeds
- 9.3% up to 20.0 Mbps
- 7.6% up to 10.0 Mbps
- 7.6% up to 5.0 Mbps
- 75.5% up to 1.0 Mbps
AT&T DSL in Union, SC

AT&T DSL coverage
About 79.70%, or 11,854 people, have AT&T DSL internet available to them in the city. The company covers the entire Union area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Union.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Union. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 5 different maximum speeds throughout Union. The fastest plan anyone in Union can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Union customers is up to 21 Mbps.
Show all download speeds
- 3.3% up to 100.0 Mbps
- 6.0% up to 75.0 Mbps
- 7.6% up to 50.0 Mbps
- 7.6% up to 25.0 Mbps
- 75.5% up to 10.0 Mbps
AT&T DSL upload speeds
In Union download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Union DSL providers. AT&T offers 4 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Union 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 3.8 Mbps.
Show all upload speeds
- 9.3% up to 20.0 Mbps
- 7.6% up to 10.0 Mbps
- 7.6% up to 5.0 Mbps
- 75.5% up to 1.0 Mbps
TruVista DSL in Union, SC

TruVista DSL coverage
About 1.85%, or 275 people, have TruVista DSL internet available to them in the city. The company covers the northeast Union 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.
TruVista DSL download speeds
TruVista is below average when comparing download speeds to all other internet providers in Union. Versus other DSL providers in the area, TruVista DSL is the fastest. There are 3 different maximum speeds throughout Union. The fastest plan anyone in Union can order from TruVista goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Union customers is up to 58 Mbps.
Show all download speeds
- 43.3% up to 100.0 Mbps
- 21.5% up to 50.0 Mbps
- 35.3% up to 10.0 Mbps
TruVista DSL upload speeds
In Union 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 DSL providers. TruVista offers 3 different upload speeds across the city, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Union 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 5.8 Mbps.
Show all upload speeds
- 43.3% up to 10.0 Mbps
- 21.5% up to 5.0 Mbps
- 35.3% up to 1.0 Mbps
Union DSL by Area
This information is most helpful to those looking for homes or considering moving to Union or any of the areas nearby.
How does DSL internet in Union compare to the rest of South Carolina?
DSL internet speeds in Union are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 22 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in South Carolina is 0.00% versus 81.55% in Union.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Union 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 cities?
Below are cities nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Cities
- Monarch, SC: less DSL coverage, faster speeds
- South Hills, SC: less DSL coverage, slower speeds
- Buffalo, SC: less DSL coverage, faster speeds
- Adamsburg, SC: less DSL coverage, slower speeds
- Jonesville, SC: less DSL coverage, slower speeds
- Robat, SC: less DSL coverage, faster speeds
- Lockhart Junction, SC: less DSL coverage, slower speeds
- Lockhart, SC: more DSL coverage, faster speeds
- Cross Keys, SC: less DSL coverage, slower speeds
- Carlisle, SC: less DSL coverage, faster speeds
Cities with Similar Populations
- Heath, OH: more DSL coverage, faster speeds
- La Grange Park, IL: less DSL coverage, faster speeds
- Killen, AL: more DSL coverage, faster speeds
- Key Biscayne, FL: more DSL coverage, faster speeds
- Huntingdon, PA: less DSL coverage, slower speeds
- Hubbard, OH: more DSL coverage, slower speeds
- Hidalgo, TX: less DSL coverage, slower speeds
- Hickory Hills, IL: more DSL coverage, faster speeds
- Hedgesville, WV: less DSL coverage, faster speeds
- Schwenksville, PA: less DSL coverage, faster speeds


