In Jefferson County there are 11 residential internet providers covering 84.26% of the county. The average home can get speeds up to 994 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.
Jump to Availability Maps
11 Internet Service Providers in Jefferson County
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 Jefferson County are not shown.
Jefferson County 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 Jefferson County
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 84.26% of Jefferson County. 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 Jefferson County with more confidence that they might be available.
How fast are internet speeds in Jefferson County?
The map below shows maximum internet speeds by area in Jefferson County.
Internet Speed Key
The average Jefferson County home can get up to 994 Mbps on their internet plan. For most people, the fastest download speed in the county is 1,000 Mbps, which 83.42% 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 10 Mbps. See the internet provider details below for info about their speed and coverage in Jefferson County.
Internet speeds tend to be faster in the central parts of Jefferson County, and slower in the southeast areas of the county.
What type of internet should I choose in Jefferson County?
The fastest internet for you may vary based on where in Jefferson County you live. If speed is your main concern, cable will be the fastest internet in the county.
- Fiber is the fastest internet type for 24.24% of Jefferson County homes.
- Cable is fastest for 59.46% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for 15.74% of Jefferson County homes.
Internet Market Health in Jefferson County
Internet Competition Key
The map shows how competitive the Jefferson County 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 Jefferson County based on what connections the average home has availabile:
- Average number of internet service providers to a home: 3.1 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.4 (very unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 3.0 (very unhealthy)
Overall, competition is very unhealthy.
Jefferson County internet customers have the ability to buy internet service from 1 to 6 different providers, depending on where they live. For different types of service, Jefferson County homes have between 1 and 4 options. The type(s) of service available are cable, fixed wireless, fiber, and dsl, though these may vary depending on the region within the county.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Jefferson County internet customers who want faster speeds have between 0 and 6 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, Jefferson County badly needs improvement.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Jefferson County, along with details on where in Jefferson County and at what speeds.
Spectrum Cable in Jefferson County, NY
Spectrum cable coverage
About 80.96%, or 94,499 people, have Spectrum cable internet available to them in the county. The company covers the entire Jefferson County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in much of Jefferson County.
Spectrum cable download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in Jefferson County. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Spectrum goes up to 1,000 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Jefferson County 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 Jefferson County cable providers. Spectrum offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Westelcom Company Fiber in Jefferson County, NY
Westelcom fiber coverage
About 17.28%, or 20,174 people, have Westelcom fiber internet available to them in the county. The company covers the south, central, northwest, southeast, and southwest Jefferson County area. Westelcom is a large internet service provider internet service providers in the US, with internet service available in a small portion of Jefferson County.
Westelcom Company fiber download speeds
Westelcom is one of the fastest when comparing download speeds to all other internet providers in Jefferson County. Versus other fiber providers in the area, Westelcom fiber is one of the fastest. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Westelcom goes up to 1,000 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Westelcom Company fiber upload speeds
In Jefferson County download speeds tend to be equal to than upload speeds for Westelcom fiber. Compared to other ISPs, Westelcom is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Jefferson County fiber providers. Westelcom offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Frontier Communications DSL in Jefferson County, NY
Frontier DSL coverage
About 9.95%, or 11,614 people, have Frontier DSL internet available to them in the county. The company covers the southwest, south, and southeast Jefferson County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Jefferson County.
Frontier Communications DSL download speeds
Frontier is the slowest when comparing download speeds to all other internet providers in Jefferson County. Versus other DSL providers in the area, Frontier DSL is the slowest. There are 5 different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Frontier goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Jefferson County customers is up to 48 Mbps.
Show all download speeds
- 22.2% up to 115.0 Mbps
- 11.9% up to 90.0 Mbps
- 4.2% up to 70.0 Mbps
- 8.3% up to 45.0 Mbps
- 53.4% up to 10.0 Mbps
Frontier Communications DSL upload speeds
In Jefferson County 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 slowest compared to other Jefferson County DSL providers. Frontier offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Jefferson County 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
- 22.2% up to 7.0 Mbps
- 11.9% up to 5.0 Mbps
- 12.5% up to 3.0 Mbps
- 53.4% up to 1.0 Mbps
EarthLink Fiber in Jefferson County, NY
EarthLink fiber coverage
About 9.50%, or 11,087 people, have EarthLink fiber internet available to them in the county. The company covers the north, northwest, northeast, central, west, and south Jefferson County 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 Jefferson County.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Jefferson County. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from EarthLink goes up to 940 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
EarthLink fiber upload speeds
In Jefferson County download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other Jefferson County fiber providers. EarthLink offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 880 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 880.0 Mbps
Verizon Fiber in Jefferson County, NY
Verizon fiber coverage
About 9.50%, or 11,087 people, have Verizon fiber internet available to them in the county. The company covers the north, northwest, northeast, central, west, and south Jefferson County 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 Jefferson County.
Verizon fiber download speeds
Verizon is above average when comparing download speeds to all other internet providers in Jefferson County. Versus other fiber providers in the area, Verizon fiber is one of the slowest. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Verizon goes up to 940 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Verizon fiber upload speeds
In Jefferson County download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is above average where upload speeds are concerned, and above average compared to other Jefferson County fiber providers. Verizon offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 880 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 880.0 Mbps
TDS DSL in Jefferson County, NY
TDS DSL coverage
About 6.69%, or 7,811 people, have TDS DSL internet available to them in the county. The company covers the west, northwest, and southwest Jefferson County area. TDS is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Jefferson County.
TDS DSL download speeds
TDS is below average when comparing download speeds to all other internet providers in Jefferson County. Versus other DSL providers in the area, TDS DSL is the fastest. There are 4 different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from TDS goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Jefferson County customers is up to 66 Mbps.
Show all download speeds
- 56.2% up to 100.0 Mbps
- 10.4% up to 50.0 Mbps
- 6.6% up to 25.0 Mbps
- 26.8% up to 10.0 Mbps
TDS DSL upload speeds
In Jefferson County download speeds tend to be faster than than upload speeds for TDS DSL. Compared to other ISPs, TDS is below average where upload speeds are concerned, and the fastest compared to other Jefferson County DSL providers. TDS offers 5 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Jefferson County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, TDS customers can get speeds up to 12 Mbps.
Show all upload speeds
- 35.2% up to 20.0 Mbps
- 21.0% up to 15.0 Mbps
- 10.4% up to 10.0 Mbps
- 6.6% up to 5.0 Mbps
- 26.8% up to 1.0 Mbps
TDS Fiber in Jefferson County, NY
TDS fiber coverage
About 3.42%, or 3,988 people, have TDS fiber internet available to them in the county. The company covers the west, northwest, central, and southwest Jefferson County area. TDS is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Jefferson County.
TDS fiber download speeds
TDS is one of the fastest when comparing download speeds to all other internet providers in Jefferson County. Versus other fiber providers in the area, TDS fiber is one of the fastest. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from TDS goes up to 1,000 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
TDS fiber upload speeds
In Jefferson County download speeds tend to be equal to than upload speeds for TDS fiber. Compared to other ISPs, TDS is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Jefferson County fiber providers. TDS offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Castle Cable TV Fiber in Jefferson County, NY
Castle Cable TV fiber coverage
About 3.02%, or 3,523 people, have Castle Cable TV fiber internet available to them in the county. The company covers the north and northeast Jefferson County area. Castle Cable TV is a small internet service provider internet service providers in the US, with internet service available in a very small piece of Jefferson County.
Castle Cable TV fiber download speeds
Castle Cable TV is one of the fastest when comparing download speeds to all other internet providers in Jefferson County. Versus other fiber providers in the area, Castle Cable TV fiber is one of the fastest. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Castle Cable TV goes up to 1,000 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Castle Cable TV fiber upload speeds
In Jefferson County download speeds tend to be faster than than upload speeds for Castle Cable TV fiber. Compared to other ISPs, Castle Cable TV is above average where upload speeds are concerned, and below average compared to other Jefferson County fiber providers. Castle Cable TV offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County 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 Jefferson County, NY
T-Mobile Home Internet fixed wireless coverage
About 70.82%, or 82,661 people, have T-Mobile Home Internet fixed wireless internet available to them in the county. The company covers the entire Jefferson County 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 Jefferson County.
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 Jefferson County. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the slowest. There are 2 different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Jefferson County customers is up to 58 Mbps.
Show all download speeds
- 43.5% up to 100.0 Mbps
- 56.5% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Jefferson County 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 the slowest compared to other Jefferson County fixed wireless providers. T-Mobile Home Internet offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Jefferson County 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 10 Mbps.
Show all upload speeds
- 43.5% up to 20.0 Mbps
- 56.5% up to 3.0 Mbps
Verizon Fixed Wireless in Jefferson County, NY
Verizon fixed wireless coverage
About 50.77%, or 59,258 people, have Verizon fixed wireless internet available to them in the county. The company covers the entire Jefferson County area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Jefferson County.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Jefferson County. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Verizon goes up to 300 Mbps, and all Jefferson County customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Jefferson County 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 Jefferson County fixed wireless providers. Verizon offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Jefferson County is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Hudson Valley Wireless Fixed Wireless in Jefferson County, NY
Hudson Valley Wireless fixed wireless coverage
About 1.74%, or 2,028 people, have Hudson Valley Wireless fixed wireless internet available to them in the county. The company covers the southeast and south Jefferson County area. Hudson Valley Wireless is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Jefferson County.
Hudson Valley Wireless fixed wireless download speeds
Hudson Valley Wireless is below average when comparing download speeds to all other internet providers in Jefferson County. Versus other fixed wireless providers in the area, Hudson Valley Wireless fixed wireless is below average. There are 4 different maximum speeds throughout Jefferson County. The fastest plan anyone in Jefferson County can order from Hudson Valley Wireless goes up to 200 Mbps, the slowest package only goes up to 25 Mbps, and the county-wide average maximum speed for Jefferson County customers is up to 114 Mbps.
Show all download speeds
- 39.0% up to 200.0 Mbps
- 21.6% up to 100.0 Mbps
- 16.6% up to 50.0 Mbps
- 22.8% up to 25.0 Mbps
Hudson Valley Wireless fixed wireless upload speeds
In Jefferson County download speeds tend to be faster than than upload speeds for Hudson Valley Wireless fixed wireless. Compared to other ISPs, Hudson Valley Wireless is below average where upload speeds are concerned, and below average compared to other Jefferson County fixed wireless providers. Hudson Valley Wireless offers 4 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Jefferson County is up to 20 Mbps. Some customers have slower plan choices, which only go up to 4.0 Mbps. On average, Hudson Valley Wireless customers can get speeds up to 12 Mbps.
Show all upload speeds
- 39.0% up to 20.0 Mbps
- 21.6% up to 10.0 Mbps
- 16.6% up to 5.0 Mbps
- 22.8% up to 4.0 Mbps
Jefferson County Internet by Area
This information is most helpful to those looking for homes or considering moving to Jefferson County or any of the areas nearby.
How does internet in Jefferson County compare to the rest of New York?
Internet speeds in Jefferson County are much slower versus the average speeds in New York: 4,072 Mbps in New York versus 994 Mbps in the county. The state has less internet availability compared to the county. Average internet coverage in New York is 98.64% versus 84.26% in Jefferson County.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Jefferson County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Essex County, NY: more internet coverage, faster speeds
- Addison County, VT: more internet coverage, faster speeds
- Orange County, VT: more internet coverage, slower speeds
- Androscoggin County, ME: more internet coverage, faster speeds
- Sagadahoc County, ME: more internet coverage, faster speeds
- Lincoln County, ME: more internet coverage, faster speeds
- Knox County, ME: more internet coverage, faster speeds
- Arenac County, MI: more internet coverage, slower speeds
- Gladwin County, MI: more internet coverage, slower speeds
- Clare County, MI: more internet coverage, slower speeds
Counties with Similar Populations
- Missoula County, MT: more internet coverage, faster speeds
- Hardin County, KY: more internet coverage, faster speeds
- Henderson County, NC: more internet coverage, faster speeds
- Houston County, AL: more internet coverage, faster speeds
- Jasper County, MO: more internet coverage, faster speeds
- Albemarle County, VA: more internet coverage, faster speeds
- Kennebec County, ME: more internet coverage, faster speeds
- La Crosse County, WI: more internet coverage, faster speeds
- LaPorte County, IN: more internet coverage, faster speeds
- LaSalle County, IL: more internet coverage, faster speeds