In Southbury there are 9 residential internet providers covering 99.85% of the city. The average home can get speeds up to 5,784 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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9 Internet Service Providers in Southbury
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 Southbury are not shown.
Southbury 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 Southbury
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.
Please note some providers will take longer to load than others
Internet service is available in 99.85% of Southbury. 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 Southbury with more confidence that they might be available.
How fast are internet speeds in Southbury?
The map below shows maximum internet speeds by area in Southbury.
Internet Speed Key
The average Southbury home can get up to 5,784 Mbps on their internet plan. For most people, the fastest download speed in the city is 7,000 Mbps, which 79.86% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 2.05% of homes can only purchase plans up to 25 Mbps. See the internet provider details below for info about their speed and coverage in Southbury.
Internet speeds tend to be faster in the southwest parts of Southbury, and slower in the north areas of the city.
What type of internet should I choose in Southbury?
The fastest internet for you may vary based on where in Southbury you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 79.86% of Southbury homes.
- Cable is fastest for 17.94% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 2.05%.
- Satellite internet may be the only option for less than 1% of Southbury homes.
Internet Market Health in Southbury
Internet Competition Key
The map shows how competitive the Southbury 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 Southbury based on what connections the average home has availabile:
- Average number of internet service providers to a home: 5.5 (healthy)
- Average types of service (fiber, cable, DSL, etc): 3.0 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 5.2 (healthy)
Overall, competition is healthy.
Southbury internet customers have the ability to buy internet service from 1 to 8 different providers, depending on where they live. For different types of service, Southbury homes have between 1 and 4 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. Southbury internet customers who want faster speeds have between 1 and 7 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, Southbury is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Southbury, along with details on where in Southbury and at what speeds.
Spectrum Cable in Southbury, CT
Spectrum cable coverage
About 97.80%, or 18,840 people, have Spectrum cable internet available to them in the city. The company covers the entire Southbury area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Southbury.
Spectrum cable download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Southbury. Versus other cable providers in the area, Spectrum cable is the slowest. There are no different maximum speeds throughout Southbury. The fastest plan anyone in Southbury can order from Spectrum goes up to 1,000 Mbps, and all Southbury customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Southbury 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 slowest compared to other Southbury cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Southbury 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 Southbury, CT
Frontier fiber coverage
About 79.86%, or 15,384 people, have Frontier fiber internet available to them in the city. The company covers the entire Southbury area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in much of Southbury.
Frontier Communications fiber download speeds
Frontier is the fastest when comparing download speeds to all other internet providers in Southbury. Versus other fiber providers in the area, Frontier fiber is the fastest. There are no different maximum speeds throughout Southbury. The fastest plan anyone in Southbury can order from Frontier goes up to 7,000 Mbps, and all Southbury customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Frontier Communications fiber upload speeds
In Southbury 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 Southbury fiber providers. Frontier offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Southbury is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
Frontier Communications DSL in Southbury, CT
Frontier DSL coverage
About 24.62%, or 4,743 people, have Frontier DSL internet available to them in the city. The company covers the north, northwest, central, west, southeast, south, northeast, and east Southbury area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Southbury.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in Southbury. Versus other DSL providers in the area, Frontier DSL is the fastest. There are no different maximum speeds throughout Southbury. The fastest plan anyone in Southbury can order from Frontier goes up to 10 Mbps, and all Southbury customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Southbury download speeds tend to be faster than than upload speeds for Frontier DSL. Compared to other ISPs, Frontier is the slowest where upload speeds are concerned, and the fastest compared to other Southbury DSL providers. Frontier offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Southbury is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Spectrum Fiber in Southbury, CT
Spectrum fiber coverage
About 4.85%, or 935 people, have Spectrum fiber internet available to them in the city. The company covers the northwest Southbury 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 Southbury.
Spectrum fiber download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Southbury. Versus other fiber providers in the area, Spectrum fiber is the slowest. There are no different maximum speeds throughout Southbury. The fastest plan anyone in Southbury can order from Spectrum goes up to 1,000 Mbps, and all Southbury customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Southbury 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 Southbury fiber providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Southbury is up to 500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 500.0 Mbps
XFINITY from Comcast Cable in Southbury, CT
XFINITY cable coverage
About 3.51%, or 676 people, have XFINITY cable internet available to them in the city. The company covers the northeast, southeast, and central Southbury area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Southbury.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Southbury. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Southbury. The fastest plan anyone in Southbury can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the city-wide average maximum speed for Southbury customers is up to 1,934 Mbps.
Show all download speeds
- 91.7% up to 2,000.0 Mbps
- 8.3% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Southbury 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 the fastest compared to other Southbury cable 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 Southbury is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 232 Mbps.
Show all upload speeds
- 91.7% up to 250.0 Mbps
- 8.3% up to 35.0 Mbps
T-Mobile Home Internet Fixed Wireless in Southbury, CT
T-Mobile Home Internet fixed wireless coverage
About 97.46%, or 18,774 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Southbury 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 Southbury.
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 Southbury. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Southbury. The fastest plan anyone in Southbury 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 Southbury customers is up to 71 Mbps.
Show all download speeds
- 61.2% up to 100.0 Mbps
- 38.8% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Southbury 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 Southbury 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 Southbury 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 13 Mbps.
Show all upload speeds
- 61.2% up to 20.0 Mbps
- 38.8% up to 3.0 Mbps
EarthLink Fixed Wireless in Southbury, CT
EarthLink fixed wireless coverage
About 91.48%, or 17,622 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Southbury area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Southbury.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Southbury. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Southbury. The fastest plan anyone in Southbury 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 Southbury customers is up to 32 Mbps.
Show all download speeds
- 10.0% up to 100.0 Mbps
- 90.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Southbury 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 Southbury 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 Southbury 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 4.7 Mbps.
Show all upload speeds
- 10.0% up to 20.0 Mbps
- 90.0% up to 3.0 Mbps
AT&T Fixed Wireless in Southbury, CT
AT&T fixed wireless coverage
About 91.48%, or 17,622 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Southbury area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Southbury.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Southbury. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Southbury. The fastest plan anyone in Southbury 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 Southbury customers is up to 32 Mbps.
Show all download speeds
- 10.0% up to 100.0 Mbps
- 90.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Southbury 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 Southbury 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 Southbury 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 4.7 Mbps.
Show all upload speeds
- 10.0% up to 20.0 Mbps
- 90.0% up to 3.0 Mbps
Verizon Fixed Wireless in Southbury, CT
Verizon fixed wireless coverage
About 57.30%, or 11,038 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire Southbury area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Southbury.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Southbury. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Southbury. The fastest plan anyone in Southbury can order from Verizon goes up to 300 Mbps, and all Southbury customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Southbury 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 Southbury fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Southbury is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Southbury Internet by Area
This information is most helpful to those looking for homes or considering moving to Southbury or any of the areas nearby.
How does internet in Southbury compare to the rest of Connecticut?
Internet speeds in Southbury are slower versus the average speeds in Connecticut: 6,732 Mbps in Connecticut versus 5,784 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Connecticut is 98.58% versus 99.85% in Southbury.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Southbury 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
- Cedarhurst, CT: more internet coverage, faster speeds
- Sandy Hook, CT: more internet coverage, faster speeds
- Roxbury Falls, CT: more internet coverage, slower speeds
- Woodbury, CT: more internet coverage, faster speeds
- Oxford, CT: less internet coverage, faster speeds
- Middlebury, CT: less internet coverage, faster speeds
- Roxbury, CT: more internet coverage, slower speeds
- Newtown, CT: more internet coverage, faster speeds
- Minortown, CT: more internet coverage, faster speeds
- Bridgewater, CT: more internet coverage, slower speeds
Cities with Similar Populations
- Somerton, AZ: less internet coverage, slower speeds
- Elkins Park, PA: less internet coverage, slower speeds
- Enola, PA: less internet coverage, slower speeds
- Satellite Beach, FL: more internet coverage, slower speeds
- Sellersburg, IN: more internet coverage, slower speeds
- Sharon, MA: more internet coverage, slower speeds
- Sherrelwood, CO: more internet coverage, slower speeds
- Sienna Plantation, TX: more internet coverage, slower speeds
- Sikeston, MO: less internet coverage, slower speeds
- East Lake, FL: more internet coverage, faster speeds