In Allendale County there are 3 residential DSL providers covering 62.86% of the county. The average home can get speeds up to 14 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 Allendale County, SC.
To see availability maps for all providers including fiber, cable, DSL, and more in Allendale County, SC please click below.
Allendale County, SC Availability Maps
DSL Internet Service Providers in Allendale 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 Allendale County are not shown.
Allendale 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 Allendale County is DSL internet available?

DSL Internet Availability Key
DSL is available in 62.86% of Allendale County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Frontier. Call one of the companies with service in Allendale County above to see who has service at your home.
How fast is DSL internet in Allendale County?
The map below shows maximum DSL internet speeds by area in Allendale County.

DSL Internet Speed Key
The average Allendale County home can get up to 14 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 115 Mbps, which less than 1% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 57.59% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Allendale County.
DSL internet speeds tend to be faster in the northeast parts of Allendale County, and slower in the central areas of the county.
Is DSL the fastest internet I can get in Allendale County?
The fastest internet for you may vary based on where in Allendale County you live. In general, fiber competes most often with DSL in the county.
- Fiber is the fastest internet type for 92.83% of Allendale County homes.
- Cable is fastest for 5.72% 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 Allendale County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Allendale County, along with details on where in Allendale County and at what speeds.
AT&T DSL in Allendale County, SC

AT&T DSL coverage
About 39.47%, or 3,173 people, have AT&T DSL internet available to them in the county. The company covers the central, west, north, northwest, south, southwest, and southeast Allendale County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of Allendale County.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Allendale County. Versus other DSL providers in the area, AT&T DSL is average. There are 2 different maximum speeds throughout Allendale County. The fastest plan anyone in Allendale County can order from AT&T goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Allendale County customers is up to 10 Mbps.
Show all download speeds
- 1.6% up to 25.0 Mbps
- 98.4% up to 10.0 Mbps
AT&T DSL upload speeds
In Allendale 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 average compared to other Allendale County DSL providers. AT&T 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 Allendale County is up to 5.0 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 1.1 Mbps.
Show all upload speeds
- 1.6% up to 5.0 Mbps
- 98.4% up to 1.0 Mbps
EarthLink DSL in Allendale County, SC

EarthLink DSL coverage
About 39.47%, or 3,173 people, have EarthLink DSL internet available to them in the county. The company covers the central, west, north, northwest, south, southwest, and southeast Allendale County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Allendale County.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Allendale County. Versus other DSL providers in the area, EarthLink DSL is average. There are 2 different maximum speeds throughout Allendale County. The fastest plan anyone in Allendale County can order from EarthLink goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Allendale County customers is up to 10 Mbps.
Show all download speeds
- 1.6% up to 25.0 Mbps
- 98.4% up to 10.0 Mbps
EarthLink DSL upload speeds
In Allendale 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 average compared to other Allendale County DSL providers. EarthLink 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 Allendale County is up to 5.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 1.1 Mbps.
Show all upload speeds
- 1.6% up to 5.0 Mbps
- 98.4% up to 1.0 Mbps
Frontier Communications DSL in Allendale County, SC

Frontier DSL coverage
About 23.61%, or 1,898 people, have Frontier DSL internet available to them in the county. The company covers the southeast, east, northeast, south, and north Allendale 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 Allendale County.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Allendale County. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 5 different maximum speeds throughout Allendale County. The fastest plan anyone in Allendale 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 Allendale County customers is up to 21 Mbps.
Show all download speeds
- 0.5% up to 115.0 Mbps
- 7.8% up to 90.0 Mbps
- 1.5% up to 70.0 Mbps
- 9.9% up to 45.0 Mbps
- 80.4% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Allendale 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 the fastest compared to other Allendale 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 Allendale 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 1.6 Mbps.
Show all upload speeds
- 0.5% up to 7.0 Mbps
- 7.8% up to 5.0 Mbps
- 11.3% up to 3.0 Mbps
- 80.4% up to 1.0 Mbps
Allendale County DSL by Area
This information is most helpful to those looking for homes or considering moving to Allendale County or any of the areas nearby.
How does DSL internet in Allendale County compare to the rest of South Carolina?
DSL internet speeds in Allendale County are much faster versus the average speeds in South Carolina: 0.00 Mbps in South Carolina versus 14 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in South Carolina is 0.00% versus 62.86% in Allendale County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Allendale 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
- Hampton County, SC: more DSL coverage, faster speeds
- Colleton County, SC: less DSL coverage, faster speeds
- Dorchester County, SC: more DSL coverage, faster speeds
- Jefferson County, GA: less DSL coverage, slower speeds
- Berkeley County, SC: less DSL coverage, faster speeds
- Charleston County, SC: more DSL coverage, faster speeds
- Washington County, GA: less DSL coverage, slower speeds
- Baldwin County, GA: more DSL coverage, faster speeds
- Wilkinson County, GA: more DSL coverage, faster speeds
- Jones County, GA: more DSL coverage, faster speeds
Counties with Similar Populations
- Upton County, TX: less DSL coverage, slower speeds
- Mora County, NM: less DSL coverage, faster speeds
- Harding County, NM: less DSL coverage, faster speeds
- Hyde County, NC: less DSL coverage, faster speeds
- Schoolcraft County, MI: more DSL coverage, faster speeds
- Menard County, TX: less DSL coverage, faster speeds
- Jeff Davis County, TX: less DSL coverage, faster speeds
- Eureka County, NV: less DSL coverage, slower speeds
- Alpine County, CA: less DSL coverage, faster speeds
- Aleutians East Borough, AK: less DSL coverage, slower speeds


