In DeKalb County there are 5 residential Fiber providers covering 93.57% of the county. The average home can get speeds up to 6,824 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 Fiber 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
Fiber Internet Service Providers 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 fiber internet available?
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Fiber is available in 93.57% of DeKalb County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Cable One. Call one of the companies with service in DeKalb County above to see who has service at your home.
How fast is fiber internet in DeKalb County?
The map below shows maximum fiber internet speeds by area in DeKalb County.
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The average DeKalb County home can get up to 6,824 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 8,000 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, 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.
Fiber internet speeds tend to be faster in the east parts of DeKalb County, and slower in the northwest areas of the county.
Is fiber 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, cable competes most often with fiber 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.
Fiber 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.
Sparklight Fiber in DeKalb County, GA
Sparklight fiber coverage
About 88.07%, or 673,193 people, have Sparklight fiber internet available to them in the county. The company covers the entire DeKalb County area. Sparklight is one of the largest internet service providers internet service providers in the US, with internet service available in most of DeKalb County.
Sparklight fiber download speeds
Sparklight is above average when comparing download speeds to all other internet providers in DeKalb County. Versus other fiber providers in the area, Sparklight fiber is above average. There are no different maximum speeds throughout DeKalb County. The fastest plan anyone in DeKalb County can order from Sparklight goes up to 7,000 Mbps, and all DeKalb County customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Sparklight fiber upload speeds
In DeKalb County download speeds tend to be equal to than upload speeds for Sparklight fiber. Compared to other ISPs, Sparklight is above average where upload speeds are concerned, and above average compared to other DeKalb County fiber providers. Sparklight offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in DeKalb County is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
EarthLink Fiber in DeKalb County, GA
EarthLink fiber coverage
About 83.51%, or 638,332 people, have EarthLink fiber internet available to them in the county. The company covers the entire DeKalb County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of DeKalb County.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in DeKalb County. Versus other fiber providers in the area, EarthLink fiber is above average. There are 2 different maximum speeds throughout DeKalb County. The fastest plan anyone in DeKalb County can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for DeKalb County customers is up to 4,641 Mbps.
Show all download speeds
- 91.0% up to 5,000.0 Mbps
- 9.0% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In DeKalb County download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other DeKalb County fiber 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 DeKalb County is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 4,641 Mbps.
Show all upload speeds
- 91.0% up to 5,000.0 Mbps
- 9.0% up to 1,000.0 Mbps
AT&T Fiber in DeKalb County, GA
AT&T fiber coverage
About 83.51%, or 638,332 people, have AT&T fiber internet available to them in the county. The company covers the entire DeKalb County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of DeKalb County.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in DeKalb County. Versus other fiber providers in the area, AT&T fiber is above average. There are 2 different maximum speeds throughout DeKalb County. The fastest plan anyone in DeKalb County can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for DeKalb County customers is up to 4,641 Mbps.
Show all download speeds
- 91.0% up to 5,000.0 Mbps
- 9.0% up to 1,000.0 Mbps
AT&T fiber upload speeds
In DeKalb County download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other DeKalb County fiber 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 DeKalb County is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 4,641 Mbps.
Show all upload speeds
- 91.0% up to 5,000.0 Mbps
- 9.0% up to 1,000.0 Mbps
Google Fiber Fiber in DeKalb County, GA
Google Fiber fiber coverage
About 9.89%, or 75,587 people, have Google Fiber fiber internet available to them in the county. The company covers the northwest, west, central, northeast, east, north, southwest, and southeast DeKalb County area. Google Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of DeKalb County.
Google Fiber fiber download speeds
Google Fiber is below average when comparing download speeds to all other internet providers in DeKalb County. Versus other fiber providers in the area, Google Fiber fiber is below average. There are 2 different maximum speeds throughout DeKalb County. The fastest plan anyone in DeKalb County can order from Google Fiber goes up to 2,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for DeKalb County customers is up to 1,979 Mbps.
Show all download speeds
- 97.9% up to 2,000.0 Mbps
- 2.1% up to 1,000.0 Mbps
Google Fiber fiber upload speeds
In DeKalb County download speeds tend to be faster than than upload speeds for Google Fiber fiber. Compared to other ISPs, Google Fiber is below average where upload speeds are concerned, and below average compared to other DeKalb County fiber providers. Google Fiber offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in DeKalb County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
XFINITY from Comcast Fiber in DeKalb County, GA
XFINITY fiber coverage
About 1.23%, or 9,393 people, have XFINITY fiber internet available to them in the county. The company covers the central, northwest, north, southeast, southwest, and west DeKalb County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of DeKalb County.
XFINITY from Comcast fiber download speeds
XFINITY is below average when comparing download speeds to all other internet providers in DeKalb County. Versus other fiber providers in the area, XFINITY fiber is the slowest. There are 3 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 1,000 Mbps, and the county-wide average maximum speed for DeKalb County customers is up to 1,335 Mbps.
Show all download speeds
- 21.1% up to 2,000.0 Mbps
- 62.3% up to 1,200.0 Mbps
- 16.6% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In DeKalb County download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the slowest compared to other DeKalb County fiber 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 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 241 Mbps.
Show all upload speeds
- 16.6% up to 1,000.0 Mbps
- 21.1% up to 250.0 Mbps
- 62.3% up to 35.0 Mbps
DeKalb County Fiber 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 fiber internet in DeKalb County compare to the rest of Georgia?
Fiber internet speeds in DeKalb County are much faster versus the average speeds in Georgia: 0.00 Mbps in Georgia versus 6,824 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Georgia is 0.00% versus 93.57% in DeKalb County.
What zip codes have fiber internet?
Fiber 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 fiber 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 fiber coverage, slower speeds
- Rockdale County, GA: more fiber coverage, faster speeds
- Walton County, GA: less fiber coverage, slower speeds
- Douglas County, GA: less fiber coverage, slower speeds
- Oconee County, GA: less fiber coverage, slower speeds
- Morgan County, GA: less fiber coverage, slower speeds
- Carroll County, GA: less fiber coverage, slower speeds
- Haralson County, GA: less fiber coverage, slower speeds
- Cleburne County, AL: less fiber coverage, slower speeds
- Wilkes County, GA: more fiber coverage, slower speeds
Counties with Similar Populations
- Ventura County, CA: less fiber coverage, slower speeds
- San Mateo County, CA: less fiber coverage, slower speeds
- San Joaquin County, CA: less fiber coverage, slower speeds
- Essex County, MA: less fiber coverage, slower speeds
- Montgomery County, PA: more fiber coverage, slower speeds
- Baltimore County, MD: less fiber coverage, slower speeds
- Fort Bend County, TX: less fiber coverage, slower speeds
- Middlesex County, NJ: less fiber coverage, slower speeds
- Bernalillo County, NM: less fiber coverage, slower speeds
- Worcester County, MA: less fiber coverage, slower speeds