In Theresa there are 12 residential internet providers covering 99.42% of the city. The average home can get speeds up to 996 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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12 Internet Service Providers in Theresa
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 Theresa are not shown.
Theresa 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 Theresa
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 99.42% of Theresa. 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 Spectrum. Now you can call companies in Theresa with more confidence that they might be available.
How fast are internet speeds in Theresa?
The map below shows maximum internet speeds by area in Theresa.
Internet Speed Key
The average Theresa home can get up to 996 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 98.94% 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 100 Mbps. See the internet provider details below for info about their speed and coverage in Theresa.
Internet speeds tend to be faster in the west parts of Theresa, and slower in the north areas of the city.
What type of internet should I choose in Theresa?
The fastest internet for you may vary based on where in Theresa you live. If speed is your main concern, cable will be the fastest internet in the city.
- Fiber is the fastest internet type for 38.67% of Theresa homes.
- Cable is fastest for 60.26% 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 Theresa homes.
Internet Market Health in Theresa
Internet Competition Key
The map shows how competitive the Theresa 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 Theresa based on what connections the average home has availabile:
- Average number of internet service providers to a home: 7.0 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.0 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 6.3 (very healthy)
Overall, competition is very healthy.
Theresa internet customers have the ability to buy internet service from 2 to 11 different providers, depending on where they live. For different types of service, Theresa homes have between 1 and 4 options. The type(s) of service available are fixed wireless, dsl, cable, and fiber, 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. Theresa internet customers who want faster speeds have between 2 and 10 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, Theresa is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Theresa, along with details on where in Theresa and at what speeds.
Frontier Communications DSL in Theresa, WI
Frontier DSL coverage
About 90.08%, or 1,861 people, have Frontier DSL internet available to them in the city. The company covers the entire Theresa area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of Theresa.
Frontier Communications DSL download speeds
Frontier is below average when comparing download speeds to all other internet providers in Theresa. Versus other DSL providers in the area, Frontier DSL is the fastest. There are 5 different maximum speeds throughout Theresa. The fastest plan anyone in Theresa can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Theresa customers is up to 53 Mbps.
Show all download speeds
- 13.9% up to 115.0 Mbps
- 19.1% up to 90.0 Mbps
- 17.4% up to 70.0 Mbps
- 8.5% up to 45.0 Mbps
- 41.1% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Theresa download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is below average where upload speeds are concerned, and the fastest compared to other Theresa DSL providers. Frontier offers 4 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 Theresa is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Frontier customers can get speeds up to 3.1 Mbps.
Show all upload speeds
- 13.9% up to 7.0 Mbps
- 19.1% up to 5.0 Mbps
- 25.8% up to 3.0 Mbps
- 41.1% up to 1.0 Mbps
Spectrum Cable in Theresa, WI
Spectrum cable coverage
About 69.02%, or 1,426 people, have Spectrum cable internet available to them in the city. The company covers the north, west, central, northwest, and east Theresa area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in much of Theresa.
Spectrum cable download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in Theresa. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Theresa. The fastest plan anyone in Theresa can order from Spectrum goes up to 1,000 Mbps, and all Theresa customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Theresa 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 the fastest compared to other Theresa cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Theresa 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 Theresa, WI
Spectrum fiber coverage
About 38.67%, or 799 people, have Spectrum fiber internet available to them in the city. The company covers the entire Theresa area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in some of Theresa.
Spectrum fiber download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in Theresa. Versus other fiber providers in the area, Spectrum fiber is the fastest. There are no different maximum speeds throughout Theresa. The fastest plan anyone in Theresa can order from Spectrum goes up to 1,000 Mbps, and all Theresa customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Theresa download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is the fastest where upload speeds are concerned, and the fastest compared to other Theresa 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 Theresa 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 416 Mbps.
Show all upload speeds
- 82.0% up to 500.0 Mbps
- 18.0% up to 35.0 Mbps
Bertram Internet Fixed Wireless in Theresa, WI
Bertram Internet fixed wireless coverage
About 99.42%, or 2,054 people, have Bertram Internet fixed wireless internet available to them in the city. The company covers the entire Theresa area. Bertram Internet is a large internet service provider internet service providers in the US, with internet service available in most of Theresa.
Bertram Internet fixed wireless download speeds
Bertram Internet is below average when comparing download speeds to all other internet providers in Theresa. Versus other fixed wireless providers in the area, Bertram Internet fixed wireless is above average. There are no different maximum speeds throughout Theresa. The fastest plan anyone in Theresa can order from Bertram Internet goes up to 100 Mbps, and all Theresa customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Bertram Internet fixed wireless upload speeds
In Theresa download speeds tend to be faster than than upload speeds for Bertram Internet fixed wireless. Compared to other ISPs, Bertram Internet is below average where upload speeds are concerned, and one of the fastest compared to other Theresa fixed wireless providers. Bertram Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Theresa is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
US Cellular Fixed Wireless in Theresa, WI
US Cellular fixed wireless coverage
About 96.52%, or 1,994 people, have US Cellular fixed wireless internet available to them in the city. The company covers the entire Theresa area. US Cellular is one of the largest internet service providers internet service providers in the US, with internet service available in most of Theresa.
US Cellular fixed wireless download speeds
US Cellular is the slowest when comparing download speeds to all other internet providers in Theresa. Versus other fixed wireless providers in the area, US Cellular fixed wireless is the slowest. There are 2 different maximum speeds throughout Theresa. The fastest plan anyone in Theresa can order from US Cellular goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Theresa customers is up to 20 Mbps.
Show all download speeds
- 64.9% up to 25.0 Mbps
- 35.1% up to 10.0 Mbps
US Cellular fixed wireless upload speeds
In Theresa download speeds tend to be faster than than upload speeds for US Cellular fixed wireless. Compared to other ISPs, US Cellular is the slowest where upload speeds are concerned, and the slowest compared to other Theresa fixed wireless providers. US Cellular 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 Theresa is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, US Cellular customers can get speeds up to 2.3 Mbps.
Show all upload speeds
- 64.9% up to 3.0 Mbps
- 35.1% up to 1.0 Mbps
Bug Tussel Wireless Fixed Wireless in Theresa, WI
Bug Tussel Wireless fixed wireless coverage
About 81.07%, or 1,675 people, have Bug Tussel Wireless fixed wireless internet available to them in the city. The company covers the north, west, southeast, central, northwest, southwest, east, and south Theresa area. Bug Tussel Wireless is a large internet service provider internet service providers in the US, with internet service available in much of Theresa.
Bug Tussel Wireless fixed wireless download speeds
Bug Tussel Wireless is below average when comparing download speeds to all other internet providers in Theresa. Versus other fixed wireless providers in the area, Bug Tussel Wireless fixed wireless is below average. There are 2 different maximum speeds throughout Theresa. The fastest plan anyone in Theresa can order from Bug Tussel Wireless goes up to 50 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Theresa customers is up to 48 Mbps.
Show all download speeds
- 91.8% up to 50.0 Mbps
- 8.2% up to 25.0 Mbps
Bug Tussel Wireless fixed wireless upload speeds
In Theresa download speeds tend to be faster than than upload speeds for Bug Tussel Wireless fixed wireless. Compared to other ISPs, Bug Tussel Wireless is below average where upload speeds are concerned, and average compared to other Theresa fixed wireless providers. Bug Tussel Wireless 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 Theresa is up to 8.0 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, Bug Tussel Wireless customers can get speeds up to 7.8 Mbps.
Show all upload speeds
- 91.8% up to 8.0 Mbps
- 8.2% up to 5.0 Mbps
T-Mobile Home Internet Fixed Wireless in Theresa, WI
T-Mobile Home Internet fixed wireless coverage
About 77.78%, or 1,607 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Theresa area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in much of Theresa.
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 Theresa. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Theresa. The fastest plan anyone in Theresa 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 Theresa customers is up to 27 Mbps.
Show all download speeds
- 2.8% up to 100.0 Mbps
- 97.2% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Theresa 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 below average compared to other Theresa 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 Theresa 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 3.5 Mbps.
Show all upload speeds
- 2.8% up to 20.0 Mbps
- 97.2% up to 3.0 Mbps
Ethoplex Fixed Wireless in Theresa, WI
Ethoplex fixed wireless coverage
About 75.41%, or 1,558 people, have Ethoplex fixed wireless internet available to them in the city. The company covers the entire Theresa area. Ethoplex is a large internet service provider internet service providers in the US, with internet service available in much of Theresa.
Ethoplex fixed wireless download speeds
Ethoplex is below average when comparing download speeds to all other internet providers in Theresa. Versus other fixed wireless providers in the area, Ethoplex fixed wireless is below average. There are no different maximum speeds throughout Theresa. The fastest plan anyone in Theresa can order from Ethoplex goes up to 25 Mbps, and all Theresa customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
Ethoplex fixed wireless upload speeds
In Theresa download speeds tend to be faster than than upload speeds for Ethoplex fixed wireless. Compared to other ISPs, Ethoplex is below average where upload speeds are concerned, and below average compared to other Theresa fixed wireless providers. Ethoplex offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Theresa is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
EarthLink Fixed Wireless in Theresa, WI
EarthLink fixed wireless coverage
About 27.06%, or 559 people, have EarthLink fixed wireless internet available to them in the city. The company covers the north, southeast, northwest, east, southwest, northeast, and south Theresa area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Theresa.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Theresa. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are no different maximum speeds throughout Theresa. The fastest plan anyone in Theresa can order from EarthLink goes up to 25 Mbps, and all Theresa customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Theresa 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 below average compared to other Theresa fixed wireless providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Theresa is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
AT&T Fixed Wireless in Theresa, WI
AT&T fixed wireless coverage
About 27.06%, or 559 people, have AT&T fixed wireless internet available to them in the city. The company covers the north, southeast, northwest, east, southwest, northeast, and south Theresa area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Theresa.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Theresa. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are no different maximum speeds throughout Theresa. The fastest plan anyone in Theresa can order from AT&T goes up to 25 Mbps, and all Theresa customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Theresa 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 below average compared to other Theresa fixed wireless providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Theresa is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Verizon Fixed Wireless in Theresa, WI
Verizon fixed wireless coverage
About 11.57%, or 239 people, have Verizon fixed wireless internet available to them in the city. The company covers the southeast, north, south, southwest, northeast, and east Theresa 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 Theresa.
Verizon fixed wireless download speeds
Verizon is above average when comparing download speeds to all other internet providers in Theresa. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Theresa. The fastest plan anyone in Theresa can order from Verizon goes up to 300 Mbps, and all Theresa customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Theresa 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 one of the fastest compared to other Theresa fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Theresa is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Theresa Internet by Area
This information is most helpful to those looking for homes or considering moving to Theresa or any of the areas nearby.
How does internet in Theresa compare to the rest of Wisconsin?
Internet speeds in Theresa are slower versus the average speeds in Wisconsin: 2,751 Mbps in Wisconsin versus 996 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Wisconsin is 98.77% versus 99.42% in Theresa.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Theresa 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
- LeRoy, WI: more internet coverage, faster speeds
- Mayville, WI: more internet coverage, slower speeds
- Nenno, WI: more internet coverage, faster speeds
- St. Kilian, WI: more internet coverage, faster speeds
- Lomira, WI: more internet coverage, slower speeds
- Kekoskee, WI: more internet coverage, slower speeds
- St. Anthony, WI: more internet coverage, slower speeds
- Allenton, WI: more internet coverage, faster speeds
- Herman Center, WI: less internet coverage, faster speeds
- Brownsville, WI: less internet coverage, slower speeds
Cities with Similar Populations
- Merriam Woods, MO: more internet coverage, faster speeds
- Salem, MI: more internet coverage, faster speeds
- Sackets Harbor, NY: more internet coverage, faster speeds
- Ruby, SC: less internet coverage, faster speeds
- Mount Pulaski, IL: more internet coverage, faster speeds
- Mount Perry, OH: less internet coverage, slower speeds
- Mona, UT: more internet coverage, slower speeds
- Milford, VA: less internet coverage, slower speeds
- Merryville, LA: less internet coverage, faster speeds
- Sandy Hook, MS: less internet coverage, faster speeds