In Sussex County there are 5 residential Fiber providers covering 25.27% of the county. The average home can get speeds up to 1,676 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 Sussex County, DE.
To see availability maps for all providers including fiber, cable, DSL, and more in Sussex County, DE please click below.
Sussex County, DE Availability Maps
Fiber Internet Service Providers in Sussex 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 Sussex County are not shown.
Sussex 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 Sussex County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 25.27% of Sussex County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Glo Fiber. Call one of the companies with service in Sussex County above to see who has service at your home.
How fast is fiber internet in Sussex County?
The map below shows maximum fiber internet speeds by area in Sussex County.
Fiber Internet Speed Key
The average Sussex County home can get up to 1,676 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 5,000 Mbps, which 3.44% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 13.38% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in Sussex County.
Fiber internet speeds tend to be faster in the northeast parts of Sussex County, and slower in the southeast areas of the county.
Is fiber the fastest internet I can get in Sussex County?
The fastest internet for you may vary based on where in Sussex County you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 10.83% of Sussex County homes.
- Cable is fastest for 87.96% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.03%.
- Satellite internet may be the only option for less than 1% of Sussex County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Sussex County, along with details on where in Sussex County and at what speeds.
EarthLink Fiber in Sussex County, DE
EarthLink fiber coverage
About 13.48%, or 31,988 people, have EarthLink fiber internet available to them in the county. The company covers the east, central, southeast, north, northwest, west, and northeast Sussex County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Sussex County.
EarthLink fiber download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Sussex County. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are no different maximum speeds throughout Sussex County. The fastest plan anyone in Sussex County can order from EarthLink goes up to 940 Mbps, and all Sussex County customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
EarthLink fiber upload speeds
In Sussex County download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is average where upload speeds are concerned, and below average compared to other Sussex County fiber providers. EarthLink offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Sussex County is up to 880 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 880.0 Mbps
Verizon Fiber in Sussex County, DE
Verizon fiber coverage
About 13.48%, or 31,988 people, have Verizon fiber internet available to them in the county. The company covers the east, central, southeast, north, northwest, west, and northeast Sussex County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Sussex County.
Verizon fiber download speeds
Verizon is below average when comparing download speeds to all other internet providers in Sussex County. Versus other fiber providers in the area, Verizon fiber is one of the slowest. There are no different maximum speeds throughout Sussex County. The fastest plan anyone in Sussex County can order from Verizon goes up to 940 Mbps, and all Sussex County customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Verizon fiber upload speeds
In Sussex County download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is average where upload speeds are concerned, and below average compared to other Sussex County fiber providers. Verizon offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Sussex County is up to 880 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 880.0 Mbps
XFINITY from Comcast Fiber in Sussex County, DE
XFINITY fiber coverage
About 4.09%, or 9,713 people, have XFINITY fiber internet available to them in the county. The company covers the northwest, west, east, southeast, north, and northeast Sussex 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 Sussex County.
XFINITY from Comcast fiber download speeds
XFINITY is below average when comparing download speeds to all other internet providers in Sussex County. Versus other fiber providers in the area, XFINITY fiber is below average. There are 3 different maximum speeds throughout Sussex County. The fastest plan anyone in Sussex 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 Sussex County customers is up to 1,099 Mbps.
Show all download speeds
- 5.7% up to 2,000.0 Mbps
- 20.8% up to 1,200.0 Mbps
- 73.5% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In Sussex 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 Sussex 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 Sussex 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 830 Mbps.
Show all upload speeds
- 81.1% up to 1,000.0 Mbps
- 5.7% up to 250.0 Mbps
- 13.2% up to 35.0 Mbps
Mediacom Fiber in Sussex County, DE
Mediacom fiber coverage
About 3.91%, or 9,288 people, have Mediacom fiber internet available to them in the county. The company covers the south, west, southwest, and central Sussex County area. Mediacom is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Sussex County.
Mediacom fiber download speeds
Mediacom is above average when comparing download speeds to all other internet providers in Sussex County. Versus other fiber providers in the area, Mediacom fiber is above average. There are no different maximum speeds throughout Sussex County. The fastest plan anyone in Sussex County can order from Mediacom goes up to 2,000 Mbps, and all Sussex County customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Mediacom fiber upload speeds
In Sussex County download speeds tend to be faster than than upload speeds for Mediacom fiber. Compared to other ISPs, Mediacom is above average where upload speeds are concerned, and below average compared to other Sussex County fiber providers. Mediacom offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Sussex 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
Glo Fiber Fiber in Sussex County, DE
Glo Fiber fiber coverage
About 3.44%, or 8,165 people, have Glo Fiber fiber internet available to them in the county. The company covers the northeast, east, and north Sussex County area. Glo Fiber is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Sussex County.
Glo Fiber fiber download speeds
Glo Fiber is the fastest when comparing download speeds to all other internet providers in Sussex County. Versus other fiber providers in the area, Glo Fiber fiber is the fastest. There are no different maximum speeds throughout Sussex County. The fastest plan anyone in Sussex County can order from Glo Fiber goes up to 5,000 Mbps, and all Sussex County customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Glo Fiber fiber upload speeds
In Sussex County download speeds tend to be equal to than upload speeds for Glo Fiber fiber. Compared to other ISPs, Glo Fiber is the fastest where upload speeds are concerned, and the fastest compared to other Sussex County fiber providers. Glo Fiber offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Sussex County is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Sussex County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Sussex County or any of the areas nearby.
How does fiber internet in Sussex County compare to the rest of Delaware?
Fiber internet speeds in Sussex County are much faster versus the average speeds in Delaware: 0.00 Mbps in Delaware versus 1,676 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Delaware is 0.00% versus 25.27% in Sussex County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Sussex 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
- Dorchester County, MD: more fiber coverage, slower speeds
- Talbot County, MD: more fiber coverage, slower speeds
- Calvert County, MD: less fiber coverage, slower speeds
- Charles County, MD: more fiber coverage, faster speeds
- Prince William County, VA: more fiber coverage, slower speeds
- Manassas Park City, VA: more fiber coverage, slower speeds
- Manassas City, VA: more fiber coverage, slower speeds
- Fauquier County, VA: less fiber coverage, faster speeds
- Rappahannock County, VA: less fiber coverage, faster speeds
- Pendleton County, WV: more fiber coverage, slower speeds
Counties with Similar Populations
- Tuscaloosa County, AL: more fiber coverage, faster speeds
- Boulder County, CO: more fiber coverage, faster speeds
- Buncombe County, NC: more fiber coverage, faster speeds
- Butte County, CA: more fiber coverage, faster speeds
- Cabarrus County, NC: more fiber coverage, faster speeds
- Caddo Parish, LA: more fiber coverage, faster speeds
- Calcasieu Parish, LA: more fiber coverage, faster speeds
- Erie County, PA: more fiber coverage, slower speeds
- Sumner County, TN: more fiber coverage, faster speeds
- Alachua County, FL: more fiber coverage, faster speeds