In Union County there is 1 residential Cable provider covering 78.18% of the county. The average home can get speeds up to 1,434 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.
This page contains all Cable internet providers in Union County, TN.
To see availability maps for all providers including fiber, cable, DSL, and more in Union County, TN please click below.
Union County, TN Availability Maps
Cable Internet Service Provider in Union 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 Union County are not shown.
Union 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
Where in Union County is cable internet available?

Cable Internet Availability Key
Cable is available in 78.18% of Union County. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is XFINITY. Call one of the companies with service in Union County above to see who has service at your home.
How fast is cable internet in Union County?
The map below shows maximum cable internet speeds by area in Union County.

Cable Internet Speed Key
The average Union County home can get up to 1,434 Mbps on their cable internet plan. The fastest cable download speed in the county is 2,000 Mbps, which 22.86% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 55.33% of homes can only purchase plans up to 1,200 Mbps. See the internet provider details below for info about their speed and coverage in Union County.
Cable internet speeds tend to be faster in the south parts of Union County, and slower in the east areas of the county.
Is cable the fastest internet I can get in Union County?
The fastest internet for you may vary based on where in Union County you live. In general, fiber competes most often with cable in the county.
- Fiber is the fastest internet type for 91.20% of Union County homes.
- Cable is fastest for 5.37% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 2.39%.
- Satellite internet may be the only option for less than 1% of Union County homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Union County, along with details on where in Union County and at what speeds.
XFINITY from Comcast Cable in Union County, TN

XFINITY cable coverage
About 78.18%, or 15,482 people, have XFINITY cable internet available to them in the county. The company covers the entire Union County area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in much of Union County.
XFINITY from Comcast cable download speeds
XFINITY is average when comparing download speeds to all other internet providers in Union County. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Union County. The fastest plan anyone in Union County can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the county-wide average maximum speed for Union County customers is up to 1,434 Mbps.
Show all download speeds
- 29.2% up to 2,000.0 Mbps
- 70.8% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Union County 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 Union County cable providers. XFINITY 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 Union County 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 98 Mbps.
Show all upload speeds
- 29.2% up to 250.0 Mbps
- 70.8% up to 35.0 Mbps
Union County Cable by Area
This information is most helpful to those looking for homes or considering moving to Union County or any of the areas nearby.
How does cable internet in Union County compare to the rest of Tennessee?
Cable internet speeds in Union County are much faster versus the average speeds in Tennessee: 0.00 Mbps in Tennessee versus 1,434 Mbps in the county. The state has similar cable availability compared to the county. Average cable coverage in Tennessee is 0.00% versus 78.18% in Union County.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Union County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable internet 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
- Grainger County, TN: less cable coverage, slower speeds
- Campbell County, TN: more cable coverage, slower speeds
- Hamblen County, TN: more cable coverage, slower speeds
- Greene County, TN: more cable coverage, slower speeds
- Fentress County, TN: less cable coverage, faster speeds
- Washington County, TN: more cable coverage, slower speeds
- Unicoi County, TN: more cable coverage, slower speeds
- Overton County, TN: less cable coverage, slower speeds
- Carter County, TN: more cable coverage, slower speeds
- Putnam County, TN: more cable coverage, slower speeds
Counties with Similar Populations
- Jefferson County, OR: less cable coverage, slower speeds
- Jackson County, MN: less cable coverage, slower speeds
- Jackson County, OK: less cable coverage, slower speeds
- Jackson County, TN: less cable coverage, slower speeds
- Jackson County, TX: less cable coverage, slower speeds
- Jackson County, WV: less cable coverage, faster speeds
- Jasper County, SC: less cable coverage, slower speeds
- Jefferson County, GA: less cable coverage, faster speeds
- Jefferson County, IA: less cable coverage, slower speeds
- Yalobusha County, MS: less cable coverage, slower speeds


