In Seaford there are 6 residential internet providers covering 100.00% of the city. The average home can get speeds up to 7,905 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.
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6 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
Availability maps for all providers in Seaford
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
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Internet service is available in 100.00% of Seaford. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is Optimum. Now you can call companies in Seaford with more confidence that they might be available.
How fast are internet speeds in Seaford?
The map below shows maximum internet speeds by area in Seaford.
Internet Speed Key
The average Seaford home can get up to 7,905 Mbps on their internet plan. For most people, the fastest download speed in the city is 8,000 Mbps, which 98.50% 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 940 Mbps. See the internet provider details below for info about their speed and coverage in Seaford.
Internet speeds tend to be faster in the southwest parts of Seaford, and slower in the north areas of the city.
What type of internet should I choose in Seaford?
The fastest internet for you may vary based on where in Seaford you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 100.00% of Seaford homes.
- Cable is fastest for less than 1% 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.
Internet Market Health in Seaford
Internet Competition Key
The map shows how competitive the Seaford internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Seaford based on what connections the average home has availabile:
- Average number of internet service providers to a home: 5.1 (healthy)
- Average types of service (fiber, cable, DSL, etc): 3.0 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 5.1 (healthy)
Overall, competition is healthy.
Seaford internet customers have the ability to buy internet service from 4 to 6 different providers, depending on where they live. For different types of service, Seaford homes have 3 options. The type(s) of service available are fixed wireless, fiber, and cable, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is similar. Seaford internet customers who want faster speeds have between 4 and 6 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Seaford is doing better than most.
TV & Internet 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.
EarthLink Fiber in Seaford, NY
EarthLink fiber coverage
About 100.00%, or 18,876 people, have EarthLink fiber internet available to them in the city. The company covers the entire Seaford area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Seaford.
EarthLink fiber download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Seaford. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are 2 different maximum speeds throughout Seaford. The fastest plan anyone in Seaford can order from EarthLink goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the city-wide average maximum speed for Seaford customers is up to 1,898 Mbps.
Show all download speeds
- 86.5% up to 2,048.0 Mbps
- 13.5% up to 940.0 Mbps
EarthLink fiber upload speeds
In Seaford download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Seaford fiber providers. EarthLink 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 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, EarthLink customers can get speeds up to 1,890 Mbps.
Show all upload speeds
- 86.5% up to 2,048.0 Mbps
- 13.5% up to 880.0 Mbps
Verizon Fiber in Seaford, NY
Verizon fiber coverage
About 100.00%, or 18,876 people, have Verizon fiber internet available to them in the city. The company covers the entire Seaford area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Seaford.
Verizon fiber download speeds
Verizon is below average when comparing download speeds to all other internet providers in Seaford. Versus other fiber providers in the area, Verizon fiber is one of the slowest. There are 2 different maximum speeds throughout Seaford. The fastest plan anyone in Seaford can order from Verizon goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the city-wide average maximum speed for Seaford customers is up to 1,898 Mbps.
Show all download speeds
- 86.5% up to 2,048.0 Mbps
- 13.5% up to 940.0 Mbps
Verizon fiber upload speeds
In Seaford download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and one of the slowest compared to other Seaford fiber providers. Verizon 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 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, Verizon customers can get speeds up to 1,890 Mbps.
Show all upload speeds
- 86.5% up to 2,048.0 Mbps
- 13.5% up to 880.0 Mbps
Optimum Cable in Seaford, NY
Optimum cable coverage
About 100.00%, or 18,876 people, have Optimum cable internet available to them in the city. The company covers the entire Seaford area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Seaford.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Seaford. Versus other cable providers in the area, Optimum cable is the fastest. There are no different maximum speeds throughout Seaford. The fastest plan anyone in Seaford can order from Optimum goes up to 940 Mbps, and all Seaford customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Seaford download speeds tend to be faster than than upload speeds for Optimum cable. Compared to other ISPs, Optimum is below average where upload speeds are concerned, and the fastest compared to other Seaford cable providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Seaford is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Optimum Fiber in Seaford, NY
Optimum fiber coverage
About 98.50%, or 18,593 people, have Optimum fiber internet available to them in the city. The company covers the entire Seaford area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Seaford.
Optimum fiber download speeds
Optimum is the fastest when comparing download speeds to all other internet providers in Seaford. Versus other fiber providers in the area, Optimum fiber is the fastest. There are no different maximum speeds throughout Seaford. The fastest plan anyone in Seaford can order from Optimum goes up to 8,000 Mbps, and all Seaford customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Optimum fiber upload speeds
In Seaford download speeds tend to be equal to than upload speeds for Optimum fiber. Compared to other ISPs, Optimum is the fastest where upload speeds are concerned, and the fastest compared to other Seaford fiber providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Seaford is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
T-Mobile Home Internet Fixed Wireless in Seaford, NY
T-Mobile Home Internet fixed wireless coverage
About 100.00%, or 18,876 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Seaford area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Seaford.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is the slowest when comparing download speeds to all other internet providers in Seaford. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the slowest. There are 2 different maximum speeds throughout Seaford. The fastest plan anyone in Seaford can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Seaford customers is up to 99 Mbps.
Show all download speeds
- 98.8% up to 100.0 Mbps
- 1.2% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Seaford download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is the slowest where upload speeds are concerned, and the slowest compared to other Seaford fixed wireless providers. T-Mobile Home Internet 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 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 20 Mbps.
Show all upload speeds
- 98.8% up to 20.0 Mbps
- 1.2% up to 3.0 Mbps
Verizon Fixed Wireless in Seaford, NY
Verizon fixed wireless coverage
About 13.67%, or 2,580 people, have Verizon fixed wireless internet available to them in the city. The company covers the southwest, south, north, central, northeast, and east Seaford 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 Seaford.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Seaford. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Seaford. The fastest plan anyone in Seaford can order from Verizon goes up to 300 Mbps, and all Seaford customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Seaford download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and the fastest compared to other Seaford fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Seaford is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Seaford Internet 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 internet in Seaford compare to the rest of New York?
Internet speeds in Seaford are much faster versus the average speeds in New York: 4,072 Mbps in New York versus 7,905 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in New York is 98.64% versus 100.00% in Seaford.
What zip codes have widespread internet?
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 internet service 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
- Wantagh, NY: equal internet coverage, faster speeds
- Massapequa, NY: less internet coverage, faster speeds
- North Wantagh, NY: equal internet coverage, slower speeds
- Bellmore, NY: equal internet coverage, slower speeds
- North Massapequa, NY: less internet coverage, slower speeds
- Massapequa Park, NY: less internet coverage, faster speeds
- North Bellmore, NY: equal internet coverage, faster speeds
- East Massapequa, NY: less internet coverage, slower speeds
- Merrick, NY: less internet coverage, slower speeds
- Plainedge, NY: equal internet coverage, slower speeds
Cities with Similar Populations
- Rex, GA: less internet coverage, slower speeds
- Johnstown, CO: less internet coverage, slower speeds
- Justin, TX: less internet coverage, slower speeds
- Kensington, CT: equal internet coverage, slower speeds
- Kings Park, NY: less internet coverage, slower speeds
- Kirksville, MO: less internet coverage, slower speeds
- La Canada Flintridge, CA: less internet coverage, slower speeds
- La Crescenta, CA: less internet coverage, slower speeds
- La Crescenta-Montrose, CA: less internet coverage, slower speeds
- La Grange, IL: less internet coverage, slower speeds