In Union County there are 4 residential Fiber providers covering 92.77% of the county. The average home can get speeds up to 8,879 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 Fiber 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
Fiber Internet Service Providers 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 fiber internet available?
Fiber Internet Availability Key
Fiber is available in 92.77% of Union County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is KUB Fiber. Call one of the companies with service in Union County above to see who has service at your home.
How fast is fiber internet in Union County?
The map below shows maximum fiber internet speeds by area in Union County.
Fiber Internet Speed Key
The average Union County home can get up to 8,879 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 10,000 Mbps, which 81.02% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 10.76% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Union County.
Fiber internet speeds tend to be faster in the central parts of Union County, and slower in the northwest areas of the county.
Is fiber 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, cable competes most often with fiber 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.
Fiber 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.
KUB Fiber Fiber in Union County, TN
KUB Fiber fiber coverage
About 81.02%, or 16,044 people, have KUB Fiber fiber internet available to them in the county. The company covers the central, south, southwest, east, southeast, northeast, west, and north Union County area. KUB Fiber is a large internet service provider internet service providers in the US, with internet service available in much of Union County.
KUB Fiber fiber download speeds
KUB Fiber is the fastest when comparing download speeds to all other internet providers in Union County. Versus other fiber providers in the area, KUB Fiber fiber is the fastest. There are no different maximum speeds throughout Union County. The fastest plan anyone in Union County can order from KUB Fiber goes up to 10,000 Mbps, and all Union County customers can get this speed.
Show all download speeds
- 100.0% up to 10,000.0 Mbps
KUB Fiber fiber upload speeds
In Union County download speeds tend to be equal to than upload speeds for KUB Fiber fiber. Compared to other ISPs, KUB Fiber is the fastest where upload speeds are concerned, and the fastest compared to other Union County fiber providers. KUB Fiber offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Union County is up to 10,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10,000.0 Mbps
MountaiNet Fiber in Union County, TN
MountaiNet fiber coverage
About 10.76%, or 2,130 people, have MountaiNet fiber internet available to them in the county. The company covers the north, northeast, and northwest Union County area. MountaiNet is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Union County.
MountaiNet fiber download speeds
MountaiNet is below average when comparing download speeds to all other internet providers in Union County. Versus other fiber providers in the area, MountaiNet fiber is one of the slowest. There are no different maximum speeds throughout Union County. The fastest plan anyone in Union County can order from MountaiNet goes up to 1,000 Mbps, and all Union County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
MountaiNet fiber upload speeds
In Union County download speeds tend to be equal to than upload speeds for MountaiNet fiber. Compared to other ISPs, MountaiNet is below average where upload speeds are concerned, and below average compared to other Union County fiber providers. MountaiNet offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Union 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
EarthLink Fiber in Union County, TN
EarthLink fiber coverage
About 2.44%, or 483 people, have EarthLink fiber internet available to them in the county. The company covers the south, north, west, southwest, and southeast Union 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 Union County.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Union County. Versus other fiber providers in the area, EarthLink fiber is above average. There are 2 different maximum speeds throughout Union County. The fastest plan anyone in Union County can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for Union County customers is up to 4,039 Mbps.
Show all download speeds
- 76.0% up to 5,000.0 Mbps
- 24.0% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Union County download speeds tend to be equal to 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 Union County fiber providers. EarthLink 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 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 4,039 Mbps.
Show all upload speeds
- 76.0% up to 5,000.0 Mbps
- 24.0% up to 1,000.0 Mbps
AT&T Fiber in Union County, TN
AT&T fiber coverage
About 2.44%, or 483 people, have AT&T fiber internet available to them in the county. The company covers the south, north, west, southwest, and southeast Union County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Union County.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Union County. Versus other fiber providers in the area, AT&T fiber is above average. There are 2 different maximum speeds throughout Union County. The fastest plan anyone in Union County can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for Union County customers is up to 4,039 Mbps.
Show all download speeds
- 76.0% up to 5,000.0 Mbps
- 24.0% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Union County download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other Union County fiber providers. AT&T 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 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 4,039 Mbps.
Show all upload speeds
- 76.0% up to 5,000.0 Mbps
- 24.0% up to 1,000.0 Mbps
Union County Fiber 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 fiber internet in Union County compare to the rest of Tennessee?
Fiber internet speeds in Union County are much faster versus the average speeds in Tennessee: 0.00 Mbps in Tennessee versus 8,879 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Tennessee is 0.00% versus 92.77% in Union County.
What zip codes have fiber internet?
Fiber 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 fiber 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: more fiber coverage, slower speeds
- Campbell County, TN: less fiber coverage, slower speeds
- Hamblen County, TN: more fiber coverage, slower speeds
- Greene County, TN: less fiber coverage, slower speeds
- Fentress County, TN: more fiber coverage, slower speeds
- Washington County, TN: less fiber coverage, slower speeds
- Unicoi County, TN: more fiber coverage, slower speeds
- Overton County, TN: more fiber coverage, slower speeds
- Carter County, TN: less fiber coverage, slower speeds
- Putnam County, TN: more fiber coverage, slower speeds
Counties with Similar Populations
- Jefferson County, OR: less fiber coverage, slower speeds
- Jackson County, KY: more fiber coverage, slower speeds
- Jackson County, MN: less fiber coverage, slower speeds
- Jackson County, OK: less fiber coverage, faster speeds
- Jackson County, TN: more fiber coverage, slower speeds
- Jackson County, TX: less fiber coverage, slower speeds
- Jackson County, WV: less fiber coverage, slower speeds
- Jasper County, SC: less fiber coverage, slower speeds
- Jefferson County, GA: less fiber coverage, slower speeds
- Jefferson County, IA: less fiber coverage, slower speeds