In Seaford there are 2 residential Fiber providers covering 7.53% of the city. The average home can get speeds up to 1,554 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 Seaford, DE.
To see availability maps for all providers including fiber, cable, DSL, and more in Seaford, DE please click below.
Fiber Internet Service Providers in Seaford
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 Seaford are not shown.
Seaford 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 Seaford is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 7.53% of Seaford. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Mediacom. Call one of the companies with service in Seaford above to see who has service at your home.
How fast is fiber internet in Seaford?
The map below shows maximum fiber internet speeds by area in Seaford.
Fiber Internet Speed Key
The average Seaford home can get up to 1,554 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 2,000 Mbps, which 3.88% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 2.21% 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 Seaford.
Fiber internet speeds tend to be faster in the southeast parts of Seaford, and slower in the northwest areas of the city.
Is fiber the fastest internet I can get in Seaford?
The fastest internet for you may vary based on where in Seaford you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 4.74% of Seaford homes.
- Cable is fastest for 94.84% 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 Seaford homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Seaford, along with details on where in Seaford and at what speeds.
Mediacom Fiber in Seaford, DE
Mediacom fiber coverage
About 3.88%, or 884 people, have Mediacom fiber internet available to them in the city. The company covers the southeast and northeast Seaford 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 Seaford.
Mediacom fiber download speeds
Mediacom is the fastest when comparing download speeds to all other internet providers in Seaford. Versus other fiber providers in the area, Mediacom fiber is the fastest. There are no different maximum speeds throughout Seaford. The fastest plan anyone in Seaford can order from Mediacom goes up to 2,000 Mbps, and all Seaford customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Mediacom fiber upload speeds
In Seaford download speeds tend to be faster than than upload speeds for Mediacom fiber. Compared to other ISPs, Mediacom is the fastest where upload speeds are concerned, and the fastest compared to other Seaford fiber providers. Mediacom offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Seaford 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 Seaford, DE
XFINITY fiber coverage
About 3.65%, or 830 people, have XFINITY fiber internet available to them in the city. The company covers the northwest and central Seaford 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 Seaford.
XFINITY from Comcast fiber download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Seaford. Versus other fiber providers in the area, XFINITY fiber is the slowest. There are 2 different maximum speeds throughout Seaford. The fastest plan anyone in Seaford can order from XFINITY goes up to 1,200 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Seaford customers is up to 1,079 Mbps.
Show all download speeds
- 39.4% up to 1,200.0 Mbps
- 60.6% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In Seaford download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is above average where upload speeds are concerned, and the slowest compared to other Seaford fiber providers. XFINITY offers 2 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 Seaford 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 666 Mbps.
Show all upload speeds
- 65.4% up to 1,000.0 Mbps
- 34.6% up to 35.0 Mbps
Seaford Fiber by Area
This information is most helpful to those looking for homes or considering moving to Seaford or any of the areas nearby.
How does fiber internet in Seaford compare to the rest of Delaware?
Fiber internet speeds in Seaford are much faster versus the average speeds in Delaware: 0.00 Mbps in Delaware versus 1,554 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Delaware is 0.00% versus 7.53% in Seaford.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Seaford 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 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
- Concord, DE: more fiber coverage, faster speeds
- Bridgeville, DE: more fiber coverage, slower speeds
- Laurel, DE: less fiber coverage, faster speeds
- Hardscrabble, DE: more fiber coverage, faster speeds
- Coverdale Crossroads, DE: more fiber coverage, slower speeds
- Sycamore, DE: more fiber coverage, faster speeds
- Galestown, MD: more fiber coverage, faster speeds
- Rhodesdale, MD: more fiber coverage, faster speeds
- Cocked Hat, DE: more fiber coverage, slower speeds
- Woodenhawk, DE: more fiber coverage, slower speeds
Cities with Similar Populations
- Republic, MO: more fiber coverage, faster speeds
- Mckees Rocks, PA: more fiber coverage, slower speeds
- Merchantville, NJ: more fiber coverage, faster speeds
- Merrick, NY: more fiber coverage, faster speeds
- Middletown, PA: more fiber coverage, slower speeds
- Minneola, FL: more fiber coverage, faster speeds
- Monroe, NY: more fiber coverage, faster speeds
- Monroe, WA: more fiber coverage, faster speeds
- Oldsmar, FL: more fiber coverage, faster speeds
- Pascagoula, MS: more fiber coverage, faster speeds