In Sullivan there are 11 residential internet providers covering 99.61% of the city. The average home can get speeds up to 980 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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11 Internet Service Providers in Sullivan
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 Sullivan are not shown.
Sullivan 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 Sullivan
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 99.61% of Sullivan. 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 Sullivan with more confidence that they might be available.
How fast are internet speeds in Sullivan?
The map below shows maximum internet speeds by area in Sullivan.
Internet Speed Key
The average Sullivan home can get up to 980 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 97.38% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 2.23% of homes can only purchase plans up to 100 Mbps. See the internet provider details below for info about their speed and coverage in Sullivan.
Internet speeds tend to be faster in the south parts of Sullivan, and slower in the northwest areas of the city.
What type of internet should I choose in Sullivan?
The fastest internet for you may vary based on where in Sullivan you live. If speed is your main concern, cable will be the fastest internet in the city.
- Fiber is the fastest internet type for 47.70% of Sullivan homes.
- Cable is fastest for 49.68% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 2.23%.
- Satellite internet may be the only option for less than 1% of Sullivan homes.
Internet Market Health in Sullivan
Internet Competition Key
The map shows how competitive the Sullivan 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 Sullivan based on what connections the average home has availabile:
- Average number of internet service providers to a home: 7.7 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.2 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 7.3 (very healthy)
Overall, competition is very healthy.
Sullivan internet customers have the ability to buy internet service from 2 to 10 different providers, depending on where they live. For different types of service, Sullivan 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. Sullivan internet customers who want faster speeds have between 1 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, Sullivan is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Sullivan, along with details on where in Sullivan and at what speeds.
Brightspeed DSL in Sullivan, WI
Brightspeed DSL coverage
About 90.13%, or 2,511 people, have Brightspeed DSL internet available to them in the city. The company covers the entire Sullivan area. Brightspeed is one of the largest internet service providers internet service providers in the US, with internet service available in most of Sullivan.
Brightspeed DSL download speeds
Brightspeed is below average when comparing download speeds to all other internet providers in Sullivan. Versus other DSL providers in the area, Brightspeed DSL is the fastest. There are 5 different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan can order from Brightspeed goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Sullivan customers is up to 52 Mbps.
Show all download speeds
- 28.0% up to 100.0 Mbps
- 14.3% up to 80.0 Mbps
- 0.8% up to 60.0 Mbps
- 21.5% up to 40.0 Mbps
- 35.3% up to 10.0 Mbps
Brightspeed DSL upload speeds
In Sullivan download speeds tend to be faster than than upload speeds for Brightspeed DSL. Compared to other ISPs, Brightspeed is below average where upload speeds are concerned, and the slowest compared to other Sullivan DSL providers. Brightspeed 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 Sullivan is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Brightspeed customers can get speeds up to 5.3 Mbps.
Show all upload speeds
- 42.3% up to 10.0 Mbps
- 0.8% up to 5.0 Mbps
- 21.5% up to 3.0 Mbps
- 35.3% up to 1.0 Mbps
Spectrum Cable in Sullivan, WI
Spectrum cable coverage
About 81.91%, or 2,282 people, have Spectrum cable internet available to them in the city. The company covers the east, southwest, north, central, northeast, south, and southeast Sullivan area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in much of Sullivan.
Spectrum cable download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in Sullivan. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan can order from Spectrum goes up to 1,000 Mbps, and all Sullivan customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Sullivan 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 Sullivan cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sullivan is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Bug Tussel Wireless Fiber in Sullivan, WI
Bug Tussel Wireless fiber coverage
About 29.04%, or 809 people, have Bug Tussel Wireless fiber internet available to them in the city. The company covers the southwest, central, east, northwest, and north Sullivan area. Bug Tussel Wireless is a large internet service provider internet service providers in the US, with internet service available in a small portion of Sullivan.
Bug Tussel Wireless fiber download speeds
Bug Tussel Wireless is one of the fastest when comparing download speeds to all other internet providers in Sullivan. Versus other fiber providers in the area, Bug Tussel Wireless fiber is one of the fastest. There are no different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan can order from Bug Tussel Wireless goes up to 1,000 Mbps, and all Sullivan customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Bug Tussel Wireless fiber upload speeds
In Sullivan download speeds tend to be equal to than upload speeds for Bug Tussel Wireless fiber. Compared to other ISPs, Bug Tussel Wireless is the fastest where upload speeds are concerned, and the fastest compared to other Sullivan fiber providers. Bug Tussel Wireless offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sullivan is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Spectrum Fiber in Sullivan, WI
Spectrum fiber coverage
About 24.12%, or 672 people, have Spectrum fiber internet available to them in the city. The company covers the entire Sullivan area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Sullivan.
Spectrum fiber download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in Sullivan. Versus other fiber providers in the area, Spectrum fiber is one of the fastest. There are no different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan can order from Spectrum goes up to 1,000 Mbps, and all Sullivan customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Sullivan download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is above average where upload speeds are concerned, and the slowest compared to other Sullivan 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 Sullivan 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 400 Mbps.
Show all upload speeds
- 78.4% up to 500.0 Mbps
- 21.6% up to 35.0 Mbps
Bertram Internet Fixed Wireless in Sullivan, WI
Bertram Internet fixed wireless coverage
About 99.10%, or 2,761 people, have Bertram Internet fixed wireless internet available to them in the city. The company covers the entire Sullivan area. Bertram Internet is a large internet service provider internet service providers in the US, with internet service available in most of Sullivan.
Bertram Internet fixed wireless download speeds
Bertram Internet is below average when comparing download speeds to all other internet providers in Sullivan. Versus other fixed wireless providers in the area, Bertram Internet fixed wireless is one of the fastest. There are no different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan can order from Bertram Internet goes up to 100 Mbps, and all Sullivan customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Bertram Internet fixed wireless upload speeds
In Sullivan 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 Sullivan fixed wireless providers. Bertram Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sullivan is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Bug Tussel Wireless Fixed Wireless in Sullivan, WI
Bug Tussel Wireless fixed wireless coverage
About 97.34%, or 2,712 people, have Bug Tussel Wireless fixed wireless internet available to them in the city. The company covers the entire Sullivan area. Bug Tussel Wireless is a large internet service provider internet service providers in the US, with internet service available in most of Sullivan.
Bug Tussel Wireless fixed wireless download speeds
Bug Tussel Wireless is below average when comparing download speeds to all other internet providers in Sullivan. Versus other fixed wireless providers in the area, Bug Tussel Wireless fixed wireless is average. There are no different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan can order from Bug Tussel Wireless goes up to 50 Mbps, and all Sullivan customers can get this speed.
Show all download speeds
- 100.0% up to 50.0 Mbps
Bug Tussel Wireless fixed wireless upload speeds
In Sullivan 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 below average compared to other Sullivan fixed wireless providers. Bug Tussel Wireless offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sullivan is up to 8.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8.0 Mbps
US Cellular Fixed Wireless in Sullivan, WI
US Cellular fixed wireless coverage
About 94.72%, or 2,639 people, have US Cellular fixed wireless internet available to them in the city. The company covers the entire Sullivan area. US Cellular is one of the largest internet service providers internet service providers in the US, with internet service available in most of Sullivan.
US Cellular fixed wireless download speeds
US Cellular is below average when comparing download speeds to all other internet providers in Sullivan. Versus other fixed wireless providers in the area, US Cellular fixed wireless is average. There are 3 different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan can order from US Cellular goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Sullivan customers is up to 59 Mbps.
Show all download speeds
- 47.1% up to 100.0 Mbps
- 44.3% up to 25.0 Mbps
- 8.6% up to 10.0 Mbps
US Cellular fixed wireless upload speeds
In Sullivan download speeds tend to be faster than than upload speeds for US Cellular fixed wireless. Compared to other ISPs, US Cellular is below average where upload speeds are concerned, and average compared to other Sullivan fixed wireless providers. US Cellular 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 Sullivan is up to 20 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 11 Mbps.
Show all upload speeds
- 47.1% up to 20.0 Mbps
- 44.3% up to 3.0 Mbps
- 8.6% up to 1.0 Mbps
T-Mobile Home Internet Fixed Wireless in Sullivan, WI
T-Mobile Home Internet fixed wireless coverage
About 88.41%, or 2,463 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Sullivan 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 Sullivan.
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 Sullivan. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is average. There are 2 different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan 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 Sullivan customers is up to 60 Mbps.
Show all download speeds
- 46.2% up to 100.0 Mbps
- 53.8% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Sullivan 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 average compared to other Sullivan 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 Sullivan 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 11 Mbps.
Show all upload speeds
- 46.2% up to 20.0 Mbps
- 53.8% up to 3.0 Mbps
EarthLink Fixed Wireless in Sullivan, WI
EarthLink fixed wireless coverage
About 74.59%, or 2,078 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Sullivan area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Sullivan.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Sullivan. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are 2 different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan 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 Sullivan customers is up to 31 Mbps.
Show all download speeds
- 7.8% up to 100.0 Mbps
- 92.2% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Sullivan download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Sullivan 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 Sullivan 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 4.3 Mbps.
Show all upload speeds
- 7.8% up to 20.0 Mbps
- 92.2% up to 3.0 Mbps
AT&T Fixed Wireless in Sullivan, WI
AT&T fixed wireless coverage
About 74.59%, or 2,078 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Sullivan area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Sullivan.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Sullivan. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are 2 different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan 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 Sullivan customers is up to 31 Mbps.
Show all download speeds
- 7.8% up to 100.0 Mbps
- 92.2% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Sullivan download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Sullivan 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 Sullivan 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 4.3 Mbps.
Show all upload speeds
- 7.8% up to 20.0 Mbps
- 92.2% up to 3.0 Mbps
Netwurx Fixed Wireless in Sullivan, WI
Netwurx fixed wireless coverage
About 7.47%, or 208 people, have Netwurx fixed wireless internet available to them in the city. The company covers the northeast, north, and northwest Sullivan area. Netwurx is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Sullivan.
Netwurx fixed wireless download speeds
Netwurx is below average when comparing download speeds to all other internet providers in Sullivan. Versus other fixed wireless providers in the area, Netwurx fixed wireless is one of the fastest. There are no different maximum speeds throughout Sullivan. The fastest plan anyone in Sullivan can order from Netwurx goes up to 100 Mbps, and all Sullivan customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Netwurx fixed wireless upload speeds
In Sullivan download speeds tend to be faster than than upload speeds for Netwurx fixed wireless. Compared to other ISPs, Netwurx is below average where upload speeds are concerned, and one of the fastest compared to other Sullivan fixed wireless providers. Netwurx offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sullivan is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Sullivan Internet by Area
This information is most helpful to those looking for homes or considering moving to Sullivan or any of the areas nearby.
How does internet in Sullivan compare to the rest of Wisconsin?
Internet speeds in Sullivan are slower versus the average speeds in Wisconsin: 2,751 Mbps in Wisconsin versus 980 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Wisconsin is 98.77% versus 99.61% in Sullivan.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Sullivan 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
- Rome, WI: more internet coverage, faster speeds
- Helenville, WI: less internet coverage, slower speeds
- Summit Corners, WI: more internet coverage, faster speeds
- Dousman, WI: more internet coverage, faster speeds
- Palmyra, WI: more internet coverage, slower speeds
- Oconomowoc, WI: more internet coverage, faster speeds
- Waterville, WI: more internet coverage, faster speeds
- Slabtown, WI: more internet coverage, slower speeds
- Oconomowoc Lake, WI: more internet coverage, faster speeds
- Ixonia, WI: less internet coverage, faster speeds
Cities with Similar Populations
- Beulah, FL: less internet coverage, faster speeds
- Bremen, AL: less internet coverage, faster speeds
- Cabazon, CA: less internet coverage, faster speeds
- Combine, TX: more internet coverage, faster speeds
- Concordia, MO: less internet coverage, slower speeds
- Craigsville, VA: less internet coverage, faster speeds
- Cromwell, IN: less internet coverage, faster speeds
- Cumberland Furnace, TN: less internet coverage, faster speeds
- Dania, FL: less internet coverage, faster speeds
- Gerrardstown, WV: more internet coverage, faster speeds