In Seffner there are 10 residential internet providers covering 99.90% of the city. The average home can get speeds up to 6,923 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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10 Internet Service Providers in Seffner
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 Seffner are not shown.
Seffner 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 Seffner
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 99.90% of Seffner. 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 Frontier. Now you can call companies in Seffner with more confidence that they might be available.
How fast are internet speeds in Seffner?
The map below shows maximum internet speeds by area in Seffner.
Internet Speed Key
The average Seffner home can get up to 6,923 Mbps on their internet plan. For most people, the fastest download speed in the city is 7,000 Mbps, which 98.59% 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 Seffner.
Internet speeds tend to be faster in the southeast parts of Seffner, and slower in the north areas of the city.
What type of internet should I choose in Seffner?
The fastest internet for you may vary based on where in Seffner you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 98.59% of Seffner homes.
- Cable is fastest for 1.19% 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 Seffner homes.
Internet Market Health in Seffner
Internet Competition Key
The map shows how competitive the Seffner 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 Seffner based on what connections the average home has availabile:
- Average number of internet service providers to a home: 6.5 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.0 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 6.5 (very healthy)
Overall, competition is very healthy.
Seffner internet customers have the ability to buy internet service from 2 to 8 different providers, depending on where they live. For different types of service, Seffner homes have between 2 and 3 options. The type(s) of service available are fixed wireless, cable, fiber, and dsl, 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 worse. Seffner internet customers who want faster speeds have between 2 and 8 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, Seffner is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Seffner, along with details on where in Seffner and at what speeds.
Spectrum Cable in Seffner, FL
Spectrum cable coverage
About 99.90%, or 21,684 people, have Spectrum cable internet available to them in the city. The company covers the entire Seffner area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Seffner.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Seffner. Versus other cable providers in the area, Spectrum cable is the slowest. There are no different maximum speeds throughout Seffner. The fastest plan anyone in Seffner can order from Spectrum goes up to 1,000 Mbps, and all Seffner customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Seffner download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and one of the fastest compared to other Seffner cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Seffner is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Frontier Communications Fiber in Seffner, FL
Frontier fiber coverage
About 98.59%, or 21,399 people, have Frontier fiber internet available to them in the city. The company covers the entire Seffner area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of Seffner.
Frontier Communications fiber download speeds
Frontier is the fastest when comparing download speeds to all other internet providers in Seffner. Versus other fiber providers in the area, Frontier fiber is the fastest. There are no different maximum speeds throughout Seffner. The fastest plan anyone in Seffner can order from Frontier goes up to 7,000 Mbps, and all Seffner customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Frontier Communications fiber upload speeds
In Seffner download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is the fastest where upload speeds are concerned, and the fastest compared to other Seffner fiber providers. Frontier offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Seffner is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
XFINITY from Comcast Cable in Seffner, FL
XFINITY cable coverage
About 44.85%, or 9,735 people, have XFINITY cable internet available to them in the city. The company covers the south, southeast, west, southwest, central, northwest, north, and northeast Seffner area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in some of Seffner.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Seffner. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout Seffner. The fastest plan anyone in Seffner can order from XFINITY goes up to 1,200 Mbps, and all Seffner customers can get this speed.
Show all download speeds
- 100.0% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Seffner 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 one of the fastest compared to other Seffner cable providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Seffner is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Spectrum Fiber in Seffner, FL
Spectrum fiber coverage
About 6.93%, or 1,504 people, have Spectrum fiber internet available to them in the city. The company covers the southeast and northwest Seffner area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Seffner.
Spectrum fiber download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Seffner. Versus other fiber providers in the area, Spectrum fiber is the slowest. There are no different maximum speeds throughout Seffner. The fastest plan anyone in Seffner can order from Spectrum goes up to 1,000 Mbps, and all Seffner customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Seffner download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other Seffner fiber providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Seffner is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
T-Mobile Home Internet Fixed Wireless in Seffner, FL
T-Mobile Home Internet fixed wireless coverage
About 99.84%, or 21,672 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Seffner area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of Seffner.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Seffner. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Seffner. The fastest plan anyone in Seffner 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 Seffner customers is up to 75 Mbps.
Show all download speeds
- 66.0% up to 100.0 Mbps
- 34.0% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Seffner 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 below average where upload speeds are concerned, and above average compared to other Seffner 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 Seffner 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 14 Mbps.
Show all upload speeds
- 66.0% up to 20.0 Mbps
- 34.0% up to 3.0 Mbps
EarthLink Fixed Wireless in Seffner, FL
EarthLink fixed wireless coverage
About 97.38%, or 21,137 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Seffner area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Seffner.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Seffner. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Seffner. The fastest plan anyone in Seffner can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Seffner customers is up to 42 Mbps.
Show all download speeds
- 22.1% up to 100.0 Mbps
- 77.9% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Seffner download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Seffner fixed wireless 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 Seffner is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 6.7 Mbps.
Show all upload speeds
- 22.1% up to 20.0 Mbps
- 77.9% up to 3.0 Mbps
AT&T Fixed Wireless in Seffner, FL
AT&T fixed wireless coverage
About 97.38%, or 21,137 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Seffner area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Seffner.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Seffner. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Seffner. The fastest plan anyone in Seffner can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Seffner customers is up to 42 Mbps.
Show all download speeds
- 22.1% up to 100.0 Mbps
- 77.9% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Seffner download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other Seffner fixed wireless providers. AT&T 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 Seffner is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 6.7 Mbps.
Show all upload speeds
- 22.1% up to 20.0 Mbps
- 77.9% up to 3.0 Mbps
Verizon Fixed Wireless in Seffner, FL
Verizon fixed wireless coverage
About 86.37%, or 18,747 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Seffner area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of Seffner.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Seffner. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are 2 different maximum speeds throughout Seffner. The fastest plan anyone in Seffner can order from Verizon goes up to 1,000 Mbps, the slowest package only goes up to 300 Mbps, and the city-wide average maximum speed for Seffner customers is up to 301 Mbps.
Show all download speeds
- 0.1% up to 1,000.0 Mbps
- 99.9% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Seffner 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 Seffner fixed wireless 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 Seffner is up to 75 Mbps. Some customers have slower plan choices, which only go up to 20 Mbps. On average, Verizon customers can get speeds up to 20 Mbps.
Show all upload speeds
- 0.1% up to 75.0 Mbps
- 99.9% up to 20.0 Mbps
Rapid Systems Fixed Wireless in Seffner, FL
Rapid Systems fixed wireless coverage
About 16.62%, or 3,608 people, have Rapid Systems fixed wireless internet available to them in the city. The company covers the northwest, northeast, southwest, and east Seffner area. Rapid Systems is a large internet service provider internet service providers in the US, with internet service available in a small portion of Seffner.
Rapid Systems fixed wireless download speeds
Rapid Systems is below average when comparing download speeds to all other internet providers in Seffner. Versus other fixed wireless providers in the area, Rapid Systems fixed wireless is below average. There are 2 different maximum speeds throughout Seffner. The fastest plan anyone in Seffner can order from Rapid Systems goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Seffner customers is up to 44 Mbps.
Show all download speeds
- 85.3% up to 50.0 Mbps
- 14.7% up to 10.0 Mbps
Rapid Systems fixed wireless upload speeds
In Seffner download speeds tend to be faster than than upload speeds for Rapid Systems fixed wireless. Compared to other ISPs, Rapid Systems is below average where upload speeds are concerned, and below average compared to other Seffner fixed wireless providers. Rapid Systems 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 Seffner is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Rapid Systems customers can get speeds up to 8.7 Mbps.
Show all upload speeds
- 85.3% up to 10.0 Mbps
- 14.7% up to 1.0 Mbps
Seffner Internet by Area
This information is most helpful to those looking for homes or considering moving to Seffner or any of the areas nearby.
How does internet in Seffner compare to the rest of Florida?
Internet speeds in Seffner are much faster versus the average speeds in Florida: 4,092 Mbps in Florida versus 6,923 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Florida is 99.08% versus 99.90% in Seffner.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Seffner 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
- Mango, FL: more internet coverage, slower speeds
- Dover, FL: less internet coverage, slower speeds
- Brandon, FL: more internet coverage, slower speeds
- Valrico, FL: more internet coverage, faster speeds
- East Lake-Orient Park, FL: less internet coverage, slower speeds
- Thonotosassa, FL: less internet coverage, slower speeds
- Temple Terrace, FL: less internet coverage, slower speeds
- Palm River-Clair Mel, FL: less internet coverage, slower speeds
- Durant, FL: more internet coverage, slower speeds
- Bloomingdale, FL: more internet coverage, faster speeds
Cities with Similar Populations
- Salmon Creek, WA: less internet coverage, slower speeds
- Meadowbrook, VA: more internet coverage, slower speeds
- Merrimack, NH: less internet coverage, slower speeds
- Mill Creek, WA: more internet coverage, slower speeds
- Millersville, MD: more internet coverage, slower speeds
- Parma Heights, OH: more internet coverage, slower speeds
- Ridgefield, WA: more internet coverage, slower speeds
- River Falls, WI: less internet coverage, slower speeds
- Rocky River, OH: more internet coverage, slower speeds
- Rosamond, CA: less internet coverage, slower speeds