In DeKalb County there is 1 residential Cable provider covering 98.65% of the county. The average home can get speeds up to 1,821 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 Cable internet providers in DeKalb County, GA.
To see availability maps for all providers including fiber, cable, DSL, and more in DeKalb County, GA please click below.
DeKalb County, GA Availability Maps
Cable Internet Service Provider in DeKalb 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 DeKalb County are not shown.
DeKalb 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 DeKalb County is cable internet available?
Cable Internet Availability Key
Cable is available in 98.65% of DeKalb County. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is XFINITY. Call one of the companies with service in DeKalb County above to see who has service at your home.
How fast is cable internet in DeKalb County?
The map below shows maximum cable internet speeds by area in DeKalb County.
Cable Internet Speed Key
The average DeKalb County home can get up to 1,821 Mbps on their cable internet plan. The fastest cable download speed in the county is 2,000 Mbps, which 76.55% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in DeKalb County.
Cable internet speeds tend to be faster in the northeast parts of DeKalb County, and slower in the central areas of the county.
Is cable the fastest internet I can get in DeKalb County?
The fastest internet for you may vary based on where in DeKalb County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 92.96% of DeKalb County homes.
- Cable is fastest for 5.94% 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 1.02% of DeKalb County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in DeKalb County, along with details on where in DeKalb County and at what speeds.
XFINITY from Comcast Cable in DeKalb County, GA
XFINITY cable coverage
About 98.65%, or 754,050 people, have XFINITY cable internet available to them in the county. The company covers the entire DeKalb County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of DeKalb County.
XFINITY from Comcast cable download speeds
XFINITY is below average when comparing download speeds to all other internet providers in DeKalb County. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout DeKalb County. The fastest plan anyone in DeKalb County can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the county-wide average maximum speed for DeKalb County customers is up to 1,821 Mbps.
Show all download speeds
- 77.6% up to 2,000.0 Mbps
- 22.4% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In DeKalb County download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other DeKalb County cable providers. XFINITY 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 DeKalb County is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 212 Mbps.
Show all upload speeds
- 0.6% up to 2,000.0 Mbps
- 77.0% up to 250.0 Mbps
- 22.4% up to 35.0 Mbps
DeKalb County Cable by Area
This information is most helpful to those looking for homes or considering moving to DeKalb County or any of the areas nearby.
How does cable internet in DeKalb County compare to the rest of Georgia?
Cable internet speeds in DeKalb County are much faster versus the average speeds in Georgia: 0.00 Mbps in Georgia versus 1,821 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Georgia is 0.00% versus 98.65% in DeKalb County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around DeKalb County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable 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
- Fulton County, GA: less cable coverage, slower speeds
- Rockdale County, GA: more cable coverage, slower speeds
- Walton County, GA: less cable coverage, slower speeds
- Douglas County, GA: more cable coverage, slower speeds
- Oconee County, GA: less cable coverage, slower speeds
- Morgan County, GA: less cable coverage, slower speeds
- Carroll County, GA: less cable coverage, slower speeds
- Haralson County, GA: less cable coverage, slower speeds
- Wilkes County, GA: less cable coverage, slower speeds
- Calhoun County, AL: less cable coverage, slower speeds
Counties with Similar Populations
- Ventura County, CA: less cable coverage, slower speeds
- San Mateo County, CA: less cable coverage, faster speeds
- San Joaquin County, CA: less cable coverage, slower speeds
- Essex County, MA: more cable coverage, slower speeds
- Montgomery County, PA: more cable coverage, slower speeds
- Baltimore County, MD: less cable coverage, faster speeds
- Fort Bend County, TX: less cable coverage, slower speeds
- Middlesex County, NJ: less cable coverage, slower speeds
- Bernalillo County, NM: less cable coverage, slower speeds
- Worcester County, MA: less cable coverage, slower speeds