In Theressa there are 4 residential Fiber providers covering 69.61% of the city. The average home can get speeds up to 2,018 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 Theressa, FL.
To see availability maps for all providers including fiber, cable, DSL, and more in Theressa, FL please click below.
Theressa, FL Availability Maps
Fiber Internet Service Providers in Theressa
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 Theressa are not shown.
Theressa 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 Theressa is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 69.61% of Theressa. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Windstream. Call one of the companies with service in Theressa above to see who has service at your home.
How fast is fiber internet in Theressa?
The map below shows maximum fiber internet speeds by area in Theressa.

Fiber Internet Speed Key
The average Theressa home can get up to 2,018 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 5,000 Mbps, which 6.27% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 14.12% 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 Theressa.
Fiber internet speeds tend to be faster in the southwest parts of Theressa, and slower in the northwest areas of the city.
Is fiber the fastest internet I can get in Theressa?
The fastest internet for you may vary based on where in Theressa you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 55.49% of Theressa homes.
- Cable is fastest for 26.67% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 17.84%.
- Satellite internet may be the only option for less than 1% of Theressa homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Theressa, along with details on where in Theressa and at what speeds.
Windstream Fiber in Theressa, FL

Windstream fiber coverage
About 44.90%, or 229 people, have Windstream fiber internet available to them in the city. The company covers the southwest and west Theressa area. Windstream is one of the largest internet service providers internet service providers in the US, with internet service available in some of Theressa.
Windstream fiber download speeds
Windstream is above average when comparing download speeds to all other internet providers in Theressa. Versus other fiber providers in the area, Windstream fiber is below average. There are no different maximum speeds throughout Theressa. The fastest plan anyone in Theressa can order from Windstream goes up to 2,000 Mbps, and all Theressa customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Windstream fiber upload speeds
In Theressa download speeds tend to be equal to than upload speeds for Windstream fiber. Compared to other ISPs, Windstream is above average where upload speeds are concerned, and below average compared to other Theressa fiber providers. Windstream offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Theressa is up to 2,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,000.0 Mbps
XFINITY from Comcast Fiber in Theressa, FL

XFINITY fiber coverage
About 18.43%, or 94 people, have XFINITY fiber internet available to them in the city. The company covers the northwest and south Theressa area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Theressa.
XFINITY from Comcast fiber download speeds
XFINITY is below average when comparing download speeds to all other internet providers in Theressa. Versus other fiber providers in the area, XFINITY fiber is the slowest. There are 2 different maximum speeds throughout Theressa. The fastest plan anyone in Theressa 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 Theressa customers is up to 1,047 Mbps.
Show all download speeds
- 23.4% up to 1,200.0 Mbps
- 76.6% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In Theressa 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 Theressa 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 Theressa 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 774 Mbps.
Show all upload speeds
- 76.6% up to 1,000.0 Mbps
- 23.4% up to 35.0 Mbps
EarthLink Fiber in Theressa, FL

EarthLink fiber coverage
About 6.27%, or 32 people, have EarthLink fiber internet available to them in the city. The company covers the southwest Theressa 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 Theressa.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in Theressa. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are no different maximum speeds throughout Theressa. The fastest plan anyone in Theressa can order from EarthLink goes up to 5,000 Mbps, and all Theressa customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
EarthLink fiber upload speeds
In Theressa download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Theressa fiber providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Theressa 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 Theressa, FL

AT&T fiber coverage
About 6.27%, or 32 people, have AT&T fiber internet available to them in the city. The company covers the southwest Theressa 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 Theressa.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in Theressa. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are no different maximum speeds throughout Theressa. The fastest plan anyone in Theressa can order from AT&T goes up to 5,000 Mbps, and all Theressa customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
AT&T fiber upload speeds
In Theressa download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Theressa fiber providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Theressa is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
Theressa Fiber by Area
This information is most helpful to those looking for homes or considering moving to Theressa or any of the areas nearby.
How does fiber internet in Theressa compare to the rest of Florida?
Fiber internet speeds in Theressa are much faster versus the average speeds in Florida: 0.00 Mbps in Florida versus 2,018 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Florida is 0.00% versus 69.61% in Theressa.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Theressa 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
- Hampton, FL: less fiber coverage, slower speeds
- Keystone Heights, FL: less fiber coverage, faster speeds
- Waldo, FL: less fiber coverage, faster speeds
- Starke, FL: less fiber coverage, slower speeds
- Orange Heights, FL: less fiber coverage, slower speeds
- Melrose, FL: less fiber coverage, slower speeds
- Earleton, FL: less fiber coverage, faster speeds
- Graham, FL: more fiber coverage, slower speeds
- Florahome, FL: less fiber coverage, slower speeds
- Brooker, FL: less fiber coverage, slower speeds
Cities with Similar Populations
- Upper Lisle, NY: more fiber coverage, slower speeds
- Dixie, MS: more fiber coverage, slower speeds
- Easton, IL: more fiber coverage, slower speeds
- Suwannee Valley, FL: more fiber coverage, faster speeds
- Tovey, IL: more fiber coverage, slower speeds
- Trevilians, VA: more fiber coverage, slower speeds
- Tuscarora, PA: more fiber coverage, slower speeds
- Union, WI: less fiber coverage, slower speeds
- Deschutes Junction, OR: less fiber coverage, slower speeds
- Urbank, MN: more fiber coverage, slower speeds


