In Casselberry there are 8 residential Fiber providers covering 51.81% of the city. The average home can get speeds up to 4,402 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 Casselberry, FL.
To see availability maps for all providers including fiber, cable, DSL, and more in Casselberry, FL please click below.
Casselberry, FL Availability Maps
Fiber Internet Service Providers in Casselberry
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 Casselberry are not shown.
Casselberry 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 Casselberry is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 51.81% of Casselberry. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is MetroNet. Call one of the companies with service in Casselberry above to see who has service at your home.
How fast is fiber internet in Casselberry?
The map below shows maximum fiber internet speeds by area in Casselberry.
Fiber Internet Speed Key
The average Casselberry home can get up to 4,402 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 8,000 Mbps, which 3.65% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 2.89% 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 Casselberry.
Fiber internet speeds tend to be faster in the northeast parts of Casselberry, and slower in the central areas of the city.
Is fiber the fastest internet I can get in Casselberry?
The fastest internet for you may vary based on where in Casselberry you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 51.81% of Casselberry homes.
- Cable is fastest for 47.78% 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 Casselberry homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Casselberry, along with details on where in Casselberry and at what speeds.
Quantum Fiber Fiber in Casselberry, FL
Quantum Fiber fiber coverage
About 28.00%, or 12,996 people, have Quantum Fiber fiber internet available to them in the city. The company covers the northwest, northeast, central, west, south, southwest, north, and east Casselberry area. Quantum Fiber is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Casselberry.
Quantum Fiber fiber download speeds
Quantum Fiber is below average when comparing download speeds to all other internet providers in Casselberry. Versus other fiber providers in the area, Quantum Fiber fiber is below average. There are 4 different maximum speeds throughout Casselberry. The fastest plan anyone in Casselberry can order from Quantum Fiber goes up to 8,000 Mbps, the slowest package only goes up to 940 Mbps, and the city-wide average maximum speed for Casselberry customers is up to 2,099 Mbps.
Show all download speeds
- 3.2% up to 8,000.0 Mbps
- 87.5% up to 2,000.0 Mbps
- 8.4% up to 1,000.0 Mbps
- 0.9% up to 940.0 Mbps
Quantum Fiber fiber upload speeds
In Casselberry download speeds tend to be faster than than upload speeds for Quantum Fiber fiber. Compared to other ISPs, Quantum Fiber is below average where upload speeds are concerned, and below average compared to other Casselberry fiber providers. Quantum Fiber offers 3 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 Casselberry is up to 8,000 Mbps. Some customers have slower plan choices, which only go up to 940 Mbps. On average, Quantum Fiber customers can get speeds up to 1,224 Mbps.
Show all upload speeds
- 3.2% up to 8,000.0 Mbps
- 95.9% up to 1,000.0 Mbps
- 0.9% up to 940.0 Mbps
MetroNet Fiber in Casselberry, FL
MetroNet fiber coverage
About 24.93%, or 11,571 people, have MetroNet fiber internet available to them in the city. The company covers the east, southeast, northeast, northwest, and west Casselberry area. MetroNet is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Casselberry.
MetroNet fiber download speeds
MetroNet is above average when comparing download speeds to all other internet providers in Casselberry. Versus other fiber providers in the area, MetroNet fiber is above average. There are no different maximum speeds throughout Casselberry. The fastest plan anyone in Casselberry can order from MetroNet goes up to 5,120 Mbps, and all Casselberry customers can get this speed.
Show all download speeds
- 100.0% up to 5,120.0 Mbps
MetroNet fiber upload speeds
In Casselberry download speeds tend to be equal to than upload speeds for MetroNet fiber. Compared to other ISPs, MetroNet is above average where upload speeds are concerned, and above average compared to other Casselberry fiber providers. MetroNet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Casselberry is up to 5,120 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,120.0 Mbps
Centurylink Fiber in Casselberry, FL
Centurylink fiber coverage
About 9.94%, or 4,615 people, have Centurylink fiber internet available to them in the city. The company covers the northeast, southwest, central, west, south, and northwest Casselberry area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Casselberry.
Centurylink fiber download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Casselberry. Versus other fiber providers in the area, Centurylink fiber is the slowest. There are 4 different maximum speeds throughout Casselberry. The fastest plan anyone in Casselberry can order from Centurylink goes up to 1,000 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Casselberry customers is up to 867 Mbps.
Show all download speeds
- 19.6% up to 1,000.0 Mbps
- 71.1% up to 940.0 Mbps
- 2.0% up to 100.0 Mbps
- 7.3% up to 10.0 Mbps
Centurylink fiber upload speeds
In Casselberry download speeds tend to be faster than than upload speeds for Centurylink fiber. Compared to other ISPs, Centurylink is below average where upload speeds are concerned, and below average compared to other Casselberry fiber providers. Centurylink offers 5 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 Casselberry is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 661 Mbps.
Show all upload speeds
- 19.6% up to 1,000.0 Mbps
- 43.4% up to 940.0 Mbps
- 27.7% up to 200.0 Mbps
- 2.0% up to 100.0 Mbps
- 7.3% up to 1.0 Mbps
WOW! Fiber in Casselberry, FL
WOW! fiber coverage
About 8.93%, or 4,147 people, have WOW! fiber internet available to them in the city. The company covers the northwest, west, southwest, north, and northeast Casselberry area. WOW! is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Casselberry.
WOW! fiber download speeds
WOW! is above average when comparing download speeds to all other internet providers in Casselberry. Versus other fiber providers in the area, WOW! fiber is above average. There are no different maximum speeds throughout Casselberry. The fastest plan anyone in Casselberry can order from WOW! goes up to 5,000 Mbps, and all Casselberry customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
WOW! fiber upload speeds
In Casselberry download speeds tend to be equal to than upload speeds for WOW! fiber. Compared to other ISPs, WOW! is above average where upload speeds are concerned, and above average compared to other Casselberry fiber providers. WOW! offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Casselberry is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
EarthLink Fiber in Casselberry, FL
EarthLink fiber coverage
About 7.45%, or 3,459 people, have EarthLink fiber internet available to them in the city. The company covers the southwest, south, west, and southeast Casselberry 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 Casselberry.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Casselberry. Versus other fiber providers in the area, EarthLink fiber is above average. There are no different maximum speeds throughout Casselberry. The fastest plan anyone in Casselberry can order from EarthLink goes up to 5,000 Mbps, and all Casselberry customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
EarthLink fiber upload speeds
In Casselberry 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 Casselberry fiber providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Casselberry is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
AT&T Fiber in Casselberry, FL
AT&T fiber coverage
About 7.45%, or 3,459 people, have AT&T fiber internet available to them in the city. The company covers the southwest, south, west, and southeast Casselberry area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Casselberry.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Casselberry. Versus other fiber providers in the area, AT&T fiber is above average. There are no different maximum speeds throughout Casselberry. The fastest plan anyone in Casselberry can order from AT&T goes up to 5,000 Mbps, and all Casselberry customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
AT&T fiber upload speeds
In Casselberry 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 Casselberry fiber providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Casselberry is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Hotwire Communications Fiber in Casselberry, FL
Hotwire Communications fiber coverage
About 2.79%, or 1,297 people, have Hotwire Communications fiber internet available to them in the city. The company covers the northeast and northwest Casselberry area. Hotwire Communications is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Casselberry.
Hotwire Communications fiber download speeds
Hotwire Communications is the fastest when comparing download speeds to all other internet providers in Casselberry. Versus other fiber providers in the area, Hotwire Communications fiber is the fastest. There are 2 different maximum speeds throughout Casselberry. The fastest plan anyone in Casselberry can order from Hotwire Communications goes up to 8,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Casselberry customers is up to 7,903 Mbps.
Show all download speeds
- 98.6% up to 8,000.0 Mbps
- 1.4% up to 1,000.0 Mbps
Hotwire Communications fiber upload speeds
In Casselberry download speeds tend to be faster than than upload speeds for Hotwire Communications fiber. Compared to other ISPs, Hotwire Communications is the fastest where upload speeds are concerned, and the fastest compared to other Casselberry fiber providers. Hotwire Communications 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 Casselberry is up to 8,000 Mbps. Some customers have slower plan choices, which only go up to 200 Mbps. On average, Hotwire Communications customers can get speeds up to 7,892 Mbps.
Show all upload speeds
- 98.6% up to 8,000.0 Mbps
- 1.4% up to 200.0 Mbps
Spectrum Fiber in Casselberry, FL
Spectrum fiber coverage
About 2.30%, or 1,069 people, have Spectrum fiber internet available to them in the city. The company covers the west and southeast Casselberry 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 Casselberry.
Spectrum fiber download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Casselberry. Versus other fiber providers in the area, Spectrum fiber is below average. There are no different maximum speeds throughout Casselberry. The fastest plan anyone in Casselberry can order from Spectrum goes up to 1,000 Mbps, and all Casselberry customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Casselberry 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 Casselberry fiber providers. Spectrum 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 Casselberry is up to 500 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 58 Mbps.
Show all upload speeds
- 4.9% up to 500.0 Mbps
- 95.1% up to 35.0 Mbps
Casselberry Fiber by Area
This information is most helpful to those looking for homes or considering moving to Casselberry or any of the areas nearby.
How does fiber internet in Casselberry compare to the rest of Florida?
Fiber internet speeds in Casselberry are much faster versus the average speeds in Florida: 0.00 Mbps in Florida versus 4,402 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Florida is 0.00% versus 51.81% in Casselberry.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Casselberry 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
- Winter Springs, FL: more fiber coverage, faster speeds
- Goldenrod, FL: more fiber coverage, faster speeds
- Maitland, FL: more fiber coverage, faster speeds
- Winter Park, FL: more fiber coverage, faster speeds
- Longwood, FL: more fiber coverage, faster speeds
- Altamonte Springs, FL: more fiber coverage, faster speeds
- Eatonville, FL: more fiber coverage, faster speeds
- Wekiwa Springs, FL: more fiber coverage, faster speeds
- Lockhart, FL: more fiber coverage, faster speeds
- Lake Mary, FL: more fiber coverage, faster speeds
Cities with Similar Populations
- Chillicothe, OH: more fiber coverage, slower speeds
- Seguin, TX: more fiber coverage, slower speeds
- Hackensack, NJ: more fiber coverage, faster speeds
- Issaquah, WA: less fiber coverage, slower speeds
- Lancaster, SC: less fiber coverage, slower speeds
- Lititz, PA: more fiber coverage, slower speeds
- Mableton, GA: more fiber coverage, faster speeds
- Middletown, DE: more fiber coverage, slower speeds
- Nacogdoches, TX: more fiber coverage, slower speeds
- Opelika, AL: more fiber coverage, slower speeds