In Seneca there are 2 residential DSL providers covering 96.15% of the city. The average home can get speeds up to 66 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 Seneca, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Seneca, SC please click below.
DSL Internet Service Providers in Seneca
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 Seneca are not shown.
Seneca 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 Seneca is DSL internet available?
DSL Internet Availability Key
DSL is available in 96.15% of Seneca. 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 Seneca above to see who has service at your home.
How fast is DSL internet in Seneca?
The map below shows maximum DSL internet speeds by area in Seneca.
DSL Internet Speed Key
The average Seneca home can get up to 66 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 100 Mbps, which 41.13% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 12.85% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Seneca.
DSL internet speeds tend to be faster in the northeast parts of Seneca, and slower in the central areas of the city.
Is DSL the fastest internet I can get in Seneca?
The fastest internet for you may vary based on where in Seneca you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 78.67% of Seneca homes.
- Cable is fastest for 19.81% 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 Seneca homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Seneca, along with details on where in Seneca and at what speeds.
AT&T DSL in Seneca, SC
AT&T DSL coverage
About 96.15%, or 33,937 people, have AT&T DSL internet available to them in the city. The company covers the entire Seneca area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Seneca.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Seneca. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Seneca. The fastest plan anyone in Seneca 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 Seneca customers is up to 66 Mbps.
Show all download speeds
- 42.8% up to 100.0 Mbps
- 10.4% up to 75.0 Mbps
- 21.1% up to 50.0 Mbps
- 12.4% up to 25.0 Mbps
- 13.4% up to 10.0 Mbps
AT&T DSL upload speeds
In Seneca 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 fastest compared to other Seneca 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 Seneca 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 13 Mbps.
Show all upload speeds
- 53.1% up to 20.0 Mbps
- 21.1% up to 10.0 Mbps
- 12.4% up to 5.0 Mbps
- 13.4% up to 1.0 Mbps
EarthLink DSL in Seneca, SC
EarthLink DSL coverage
About 96.15%, or 33,937 people, have EarthLink DSL internet available to them in the city. The company covers the entire Seneca area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Seneca.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Seneca. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Seneca. The fastest plan anyone in Seneca 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 Seneca customers is up to 66 Mbps.
Show all download speeds
- 42.8% up to 100.0 Mbps
- 10.4% up to 75.0 Mbps
- 21.1% up to 50.0 Mbps
- 12.4% up to 25.0 Mbps
- 13.4% up to 10.0 Mbps
EarthLink DSL upload speeds
In Seneca 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 fastest compared to other Seneca 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 Seneca 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 13 Mbps.
Show all upload speeds
- 53.1% up to 20.0 Mbps
- 21.1% up to 10.0 Mbps
- 12.4% up to 5.0 Mbps
- 13.4% up to 1.0 Mbps
Seneca DSL by Area
This information is most helpful to those looking for homes or considering moving to Seneca or any of the areas nearby.
How does DSL internet in Seneca compare to the rest of South Carolina?
DSL internet speeds in Seneca are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 66 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in South Carolina is 0.00% versus 96.15% in Seneca.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Seneca 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
- Keowee, SC: more DSL coverage, slower speeds
- Newry, SC: more DSL coverage, slower speeds
- Clemson, SC: less DSL coverage, faster speeds
- West Union, SC: less DSL coverage, slower speeds
- Walhalla, SC: less DSL coverage, slower speeds
- Westminster, SC: less DSL coverage, slower speeds
- Central, SC: less DSL coverage, slower speeds
- Townville, SC: less DSL coverage, slower speeds
- La France, SC: less DSL coverage, slower speeds
- Pendleton, SC: less DSL coverage, slower speeds
Cities with Similar Populations
- San Luis, AZ: less DSL coverage, slower speeds
- Greenfield, IN: less DSL coverage, faster speeds
- Harker Heights, TX: less DSL coverage, faster speeds
- Huntington Station, NY: less DSL coverage, slower speeds
- Inver Grove Heights, MN: less DSL coverage, faster speeds
- Isabela, PR: less DSL coverage, slower speeds
- Juncos, PR: more DSL coverage, slower speeds
- La Porte, TX: less DSL coverage, faster speeds
- Lebanon, OH: less DSL coverage, slower speeds
- Pekin, IL: less DSL coverage, slower speeds