In Grainger County there are 4 residential Fiber providers covering 99.83% of the county. The average home can get speeds up to 8,077 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 Grainger County, TN.
To see availability maps for all providers including fiber, cable, DSL, and more in Grainger County, TN please click below.
Grainger County, TN Availability Maps
Fiber Internet Service Providers in Grainger 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 Grainger County are not shown.
Grainger 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 Grainger County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 99.83% of Grainger County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Trilight. Call one of the companies with service in Grainger County above to see who has service at your home.
How fast is fiber internet in Grainger County?
The map below shows maximum fiber internet speeds by area in Grainger County.
Fiber Internet Speed Key
The average Grainger County home can get up to 8,077 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 10,000 Mbps, which 27.17% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 6.66% 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 Grainger County.
Fiber internet speeds tend to be faster in the northwest parts of Grainger County, and slower in the north areas of the county.
Is fiber the fastest internet I can get in Grainger County?
The fastest internet for you may vary based on where in Grainger County you live. In general, satellite competes most often with fiber in the county.
- Fiber is the fastest internet type for 99.83% of Grainger County homes.
- Cable is fastest for less than 1% 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 less than 1% of Grainger County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Grainger County, along with details on where in Grainger County and at what speeds.
Trilight Fiber in Grainger County, TN
Trilight fiber coverage
About 68.91%, or 16,212 people, have Trilight fiber internet available to them in the county. The company covers the northeast, central, east, south, southwest, north, and west Grainger County area. Trilight is a large internet service provider internet service providers in the US, with internet service available in much of Grainger County.
Trilight fiber download speeds
Trilight is above average when comparing download speeds to all other internet providers in Grainger County. Versus other fiber providers in the area, Trilight fiber is above average. There are no different maximum speeds throughout Grainger County. The fastest plan anyone in Grainger County can order from Trilight goes up to 8,000 Mbps, and all Grainger County customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Trilight fiber upload speeds
In Grainger County download speeds tend to be equal to than upload speeds for Trilight fiber. Compared to other ISPs, Trilight is above average where upload speeds are concerned, and above average compared to other Grainger County fiber providers. Trilight offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Grainger County is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
KUB Fiber Fiber in Grainger County, TN
KUB Fiber fiber coverage
About 27.17%, or 6,392 people, have KUB Fiber fiber internet available to them in the county. The company covers the southwest, west, northwest, and north Grainger County area. KUB Fiber is a large internet service provider internet service providers in the US, with internet service available in a small portion of Grainger County.
KUB Fiber fiber download speeds
KUB Fiber is the fastest when comparing download speeds to all other internet providers in Grainger County. Versus other fiber providers in the area, KUB Fiber fiber is the fastest. There are no different maximum speeds throughout Grainger County. The fastest plan anyone in Grainger County can order from KUB Fiber goes up to 10,000 Mbps, and all Grainger County customers can get this speed.
Show all download speeds
- 100.0% up to 10,000.0 Mbps
KUB Fiber fiber upload speeds
In Grainger 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 Grainger County fiber providers. KUB Fiber offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Grainger 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 Grainger County, TN
MountaiNet fiber coverage
About 8.63%, or 2,030 people, have MountaiNet fiber internet available to them in the county. The company covers the north, northeast, west, and central Grainger 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 Grainger County.
MountaiNet fiber download speeds
MountaiNet is below average when comparing download speeds to all other internet providers in Grainger County. Versus other fiber providers in the area, MountaiNet fiber is one of the slowest. There are no different maximum speeds throughout Grainger County. The fastest plan anyone in Grainger County can order from MountaiNet goes up to 1,000 Mbps, and all Grainger County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
MountaiNet fiber upload speeds
In Grainger 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 one of the slowest compared to other Grainger County fiber providers. MountaiNet offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Grainger 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
Point Broadband Fiber in Grainger County, TN
Point Broadband fiber coverage
About 1.33%, or 312 people, have Point Broadband fiber internet available to them in the county. The company covers the northeast Grainger County area. Point Broadband is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Grainger County.
Point Broadband fiber download speeds
Point Broadband is below average when comparing download speeds to all other internet providers in Grainger County. Versus other fiber providers in the area, Point Broadband fiber is one of the slowest. There are no different maximum speeds throughout Grainger County. The fastest plan anyone in Grainger County can order from Point Broadband goes up to 1,000 Mbps, and all Grainger County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Point Broadband fiber upload speeds
In Grainger County download speeds tend to be equal to than upload speeds for Point Broadband fiber. Compared to other ISPs, Point Broadband is below average where upload speeds are concerned, and one of the slowest compared to other Grainger County fiber providers. Point Broadband offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Grainger 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
Grainger County Fiber by Area
This information is most helpful to those looking for homes or considering moving to Grainger County or any of the areas nearby.
How does fiber internet in Grainger County compare to the rest of Tennessee?
Fiber internet speeds in Grainger County are much faster versus the average speeds in Tennessee: 0.00 Mbps in Tennessee versus 8,077 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Tennessee is 0.00% versus 99.83% in Grainger County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Grainger 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
- Hamblen County, TN: less fiber coverage, slower speeds
- Union County, TN: less fiber coverage, faster speeds
- Campbell County, TN: less fiber coverage, slower speeds
- Greene County, TN: less fiber coverage, slower speeds
- Washington County, TN: less fiber coverage, faster speeds
- Unicoi County, TN: less fiber coverage, slower speeds
- Carter County, TN: less fiber coverage, slower speeds
- Fentress County, TN: more fiber coverage, slower speeds
- Watauga County, NC: less fiber coverage, slower speeds
- Overton County, TN: less fiber coverage, slower speeds
Counties with Similar Populations
- Iroquois County, IL: less fiber coverage, slower speeds
- Roscommon County, MI: less fiber coverage, slower speeds
- Roosevelt County, NM: less fiber coverage, slower speeds
- Rockcastle County, KY: less fiber coverage, slower speeds
- Rockbridge County, VA: less fiber coverage, slower speeds
- Robertson County, TX: less fiber coverage, slower speeds
- Roane County, WV: less fiber coverage, slower speeds
- Ripley County, IN: less fiber coverage, slower speeds
- Rincon Municipio, PR: less fiber coverage, slower speeds
- Richland Parish, LA: less fiber coverage, slower speeds