In South Jefferson there are 5 residential internet providers covering 100.00% of the city. The average home can get speeds up to 1,000 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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5 Internet Service Providers in South Jefferson
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 South Jefferson are not shown.
South Jefferson 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 South Jefferson
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 100.00% of South Jefferson. 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 Margaretville Telephone Company. Now you can call companies in South Jefferson with more confidence that they might be available.
How fast are internet speeds in South Jefferson?
The map below shows maximum internet speeds by area in South Jefferson.
Internet Speed Key
The average South Jefferson home can get up to 1,000 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 100.00% of residents can get.
What type of internet should I choose in South Jefferson?
The fastest internet for you may vary based on where in South Jefferson you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 100.00% of South Jefferson homes.
- Cable is fastest for less than 1% 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 South Jefferson homes.
Internet Market Health in South Jefferson
Internet Competition Key
The map shows how competitive the South Jefferson 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 South Jefferson based on what connections the average home has availabile:
- Average number of internet service providers to a home: 2.9 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.6 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 2.9 (unhealthy)
Overall, competition is unhealthy.
South Jefferson internet customers have the ability to buy internet service from 1 to 3 different providers, depending on where they live. For different types of service, South Jefferson homes have between 1 and 3 options. The type(s) of service available are fiber, fixed wireless, and cable, 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 similar. South Jefferson internet customers who want faster speeds have between 1 and 3 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, South Jefferson needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in South Jefferson, along with details on where in South Jefferson and at what speeds.
Margaretville Telephone Company Fiber in South Jefferson, NY
Margaretville Telephone Company fiber coverage
About 100.00%, or 39 people, have Margaretville Telephone Company fiber internet available to them in the city. The company covers the entire South Jefferson area. Margaretville Telephone Company is an average-sized internet service provider internet service providers in the US, with internet service available in every corner of South Jefferson.
Margaretville Telephone Company fiber download speeds
Margaretville Telephone Company is one of the fastest when comparing download speeds to all other internet providers in South Jefferson. Versus other fiber providers in the area, Margaretville Telephone Company fiber is one of the fastest. There are no different maximum speeds throughout South Jefferson. The fastest plan anyone in South Jefferson can order from Margaretville Telephone Company goes up to 1,000 Mbps, and all South Jefferson customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Margaretville Telephone Company fiber upload speeds
In South Jefferson download speeds tend to be equal to than upload speeds for Margaretville Telephone Company fiber. Compared to other ISPs, Margaretville Telephone Company is the fastest where upload speeds are concerned, and the fastest compared to other South Jefferson fiber providers. Margaretville Telephone Company offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in South Jefferson 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 Cable in South Jefferson, NY
Spectrum cable coverage
About 61.54%, or 24 people, have Spectrum cable internet available to them in the city. The company covers the entire South Jefferson area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of South Jefferson.
Spectrum cable download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in South Jefferson. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout South Jefferson. The fastest plan anyone in South Jefferson can order from Spectrum goes up to 1,000 Mbps, and all South Jefferson customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In South Jefferson 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 South Jefferson cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in South Jefferson 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 South Jefferson, NY
Spectrum fiber coverage
About 33.33%, or 13 people, have Spectrum fiber internet available to them in the city. The company covers the entire South Jefferson 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 South Jefferson.
Spectrum fiber download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in South Jefferson. Versus other fiber providers in the area, Spectrum fiber is one of the fastest. There are no different maximum speeds throughout South Jefferson. The fastest plan anyone in South Jefferson can order from Spectrum goes up to 1,000 Mbps, and all South Jefferson customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In South Jefferson 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 South Jefferson fiber providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in South Jefferson is up to 500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 500.0 Mbps
T-Mobile Home Internet Fixed Wireless in South Jefferson, NY
T-Mobile Home Internet fixed wireless coverage
About 94.87%, or 37 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire South Jefferson 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 South Jefferson.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is the slowest when comparing download speeds to all other internet providers in South Jefferson. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the fastest. There are 2 different maximum speeds throughout South Jefferson. The fastest plan anyone in South Jefferson 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 South Jefferson customers is up to 29 Mbps.
Show all download speeds
- 5.4% up to 100.0 Mbps
- 94.6% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In South Jefferson 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 the slowest where upload speeds are concerned, and the fastest compared to other South Jefferson 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 South Jefferson 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 3.9 Mbps.
Show all upload speeds
- 5.4% up to 20.0 Mbps
- 94.6% up to 3.0 Mbps
South Jefferson Internet by Area
This information is most helpful to those looking for homes or considering moving to South Jefferson or any of the areas nearby.
How does internet in South Jefferson compare to the rest of New York?
Internet speeds in South Jefferson are much slower versus the average speeds in New York: 4,072 Mbps in New York versus 1,000 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in New York is 98.64% versus 100.00% in South Jefferson.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around South Jefferson 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
- Stamford, NY: less internet coverage, slower speeds
- Hobart, NY: less internet coverage, similar speeds
- Grand Gorge, NY: less internet coverage, similar speeds
- Jefferson, NY: less internet coverage, slower speeds
- Harpersfield, NY: less internet coverage, similar speeds
- North Blenheim, NY: equal internet coverage, slower speeds
- North Harpersfield, NY: equal internet coverage, similar speeds
- Roxbury, NY: less internet coverage, faster speeds
- South Kortright, NY: equal internet coverage, similar speeds
- West Conesville, NY: less internet coverage, faster speeds
Cities with Similar Populations
- Pottersdale, PA: less internet coverage, slower speeds
- Phillippy, TN: equal internet coverage, similar speeds
- Phillis, VA: equal internet coverage, similar speeds
- Pickelville, UT: less internet coverage, slower speeds
- Pigeon, PA: equal internet coverage, slower speeds
- Pin Oak Acres, OK: equal internet coverage, slower speeds
- Pine, ID: less internet coverage, slower speeds
- Plantation Island, FL: equal internet coverage, faster speeds
- Pleasant Hill, PA: equal internet coverage, slower speeds
- Pleasanton, NM: equal internet coverage, slower speeds