Fiber Optic Internet Providers and TV Companies in Greenbrier, TN


In Greenbrier there are 4 residential Fiber providers covering 99.70% of the city. The average home can get speeds up to 3,885 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 Greenbrier, TN.

To see availability maps for all providers including fiber, cable, DSL, and more in Greenbrier, TN please click below.

Greenbrier, TN Availability Maps

 

Fiber Internet Service Providers in Greenbrier

Cumberland Connect | Fiber

Availability:

94.93%

Avg. Speed:

1,000 Mbps

EarthLink | Fiber

Availability:

82.57%

Avg. Speed:

4,480 Mbps

AT&T | Fiber

Availability:

82.57%

Avg. Speed:

4,480 Mbps

XFINITY from Comcast | Fiber

Availability:

1.70%

Avg. Speed:

1,200 Mbps

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 Greenbrier are not shown.

 

Greenbrier Satellite TV & Internet Providers

DISH Satellite TV

Availability:

100%

Avg. Speed:

N/A: Call to bundle.

 

DIRECTV Satellite TV

Availability:

100%

Avg. Speed:

N/A

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:

100%

Avg. Speed:

Up to 150 Mbps

(High latency)

 

 

 

Where in Greenbrier is fiber internet available?

Greenbrier, TN map of fiber internet availability
Click the map to explore

Fiber Internet Availability Key

0%
50%
100%

 

Fiber is available in 99.70% of Greenbrier. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in Greenbrier above to see who has service at your home.

 

How fast is fiber internet in Greenbrier?

The map below shows maximum fiber internet speeds by area in Greenbrier.

Greenbrier, TN map of the fastest fiber internet speeds
Click the map to explore

Fiber Internet Speed Key

1 Mbps
100 Mbps
1000 Mbps+

 

The average Greenbrier home can get up to 3,885 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 5,000 Mbps, which 71.83% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 26.17% 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 Greenbrier.

Fiber internet speeds tend to be faster in the southeast parts of Greenbrier, and slower in the southwest areas of the city.

Is fiber the fastest internet I can get in Greenbrier?

The fastest internet for you may vary based on where in Greenbrier you live. In general, cable competes most often with fiber in the city.

  • Fiber is the fastest internet type for 75.21% of Greenbrier homes.
  • Cable is fastest for 24.49% 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 Greenbrier homes.

 

Fiber Providers in Depth

Below you'll find which TV and internet providers offer service in Greenbrier, along with details on where in Greenbrier and at what speeds.

Cumberland Connect Fiber in Greenbrier, TN

Cumberland Connect fiber coverage

About 94.93%, or 12,382 people, have Cumberland Connect fiber internet available to them in the city. The company covers the entire Greenbrier area. Cumberland Connect is a large internet service provider internet service providers in the US, with internet service available in most of Greenbrier.

 

Cumberland Connect fiber download speeds

Cumberland Connect is below average when comparing download speeds to all other internet providers in Greenbrier. Versus other fiber providers in the area, Cumberland Connect fiber is the slowest. There are no different maximum speeds throughout Greenbrier. The fastest plan anyone in Greenbrier can order from Cumberland Connect goes up to 1,000 Mbps, and all Greenbrier customers can get this speed.

Show all download speeds

The following maximum speeds are marketed to Cumberland Connect customers in Greenbrier. Cheaper plans with slower speeds may be available.

  • 100.0% up to 1,000.0 Mbps

 

Cumberland Connect fiber upload speeds

In Greenbrier download speeds tend to be equal to than upload speeds for Cumberland Connect fiber. Compared to other ISPs, Cumberland Connect is above average where upload speeds are concerned, and below average compared to other Greenbrier fiber providers. Cumberland Connect offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Greenbrier is up to 1,000 Mbps, which is available to everyone covered.

Show all upload speeds

Cumberland Connect's Greenbrier fiber customers can expect the following upload speeds:

  • 100.0% up to 1,000.0 Mbps

 

 

 

EarthLink Fiber in Greenbrier, TN

EarthLink fiber coverage

About 82.57%, or 10,770 people, have EarthLink fiber internet available to them in the city. The company covers the entire Greenbrier area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Greenbrier.

 

EarthLink fiber download speeds

EarthLink is one of the fastest when comparing download speeds to all other internet providers in Greenbrier. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout Greenbrier. The fastest plan anyone in Greenbrier can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Greenbrier customers is up to 4,480 Mbps.

Show all download speeds

The following maximum speeds are marketed to EarthLink customers in Greenbrier. Cheaper plans with slower speeds may be available.

  • 87.0% up to 5,000.0 Mbps
  • 13.0% up to 1,000.0 Mbps

 

EarthLink fiber upload speeds

In Greenbrier download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Greenbrier fiber providers. EarthLink 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 Greenbrier 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 4,480 Mbps.

Show all upload speeds

EarthLink's Greenbrier fiber customers can expect the following upload speeds:

  • 87.0% up to 5,000.0 Mbps
  • 13.0% up to 1,000.0 Mbps

 

 

 

AT&T Fiber in Greenbrier, TN

AT&T fiber coverage

About 82.57%, or 10,770 people, have AT&T fiber internet available to them in the city. The company covers the entire Greenbrier area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Greenbrier.

 

AT&T fiber download speeds

AT&T is one of the fastest when comparing download speeds to all other internet providers in Greenbrier. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are 2 different maximum speeds throughout Greenbrier. The fastest plan anyone in Greenbrier can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Greenbrier customers is up to 4,480 Mbps.

Show all download speeds

The following maximum speeds are marketed to AT&T customers in Greenbrier. Cheaper plans with slower speeds may be available.

  • 87.0% up to 5,000.0 Mbps
  • 13.0% up to 1,000.0 Mbps

 

AT&T fiber upload speeds

In Greenbrier download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Greenbrier fiber providers. AT&T 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 Greenbrier 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 4,480 Mbps.

Show all upload speeds

AT&T's Greenbrier fiber customers can expect the following upload speeds:

  • 87.0% up to 5,000.0 Mbps
  • 13.0% up to 1,000.0 Mbps

 

 

 

XFINITY from Comcast Fiber in Greenbrier, TN

XFINITY fiber coverage

About 1.70%, or 222 people, have XFINITY fiber internet available to them in the city. The company covers the southwest Greenbrier area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Greenbrier.

 

XFINITY from Comcast fiber download speeds

XFINITY is average when comparing download speeds to all other internet providers in Greenbrier. Versus other fiber providers in the area, XFINITY fiber is below average. There are no different maximum speeds throughout Greenbrier. The fastest plan anyone in Greenbrier can order from XFINITY goes up to 1,200 Mbps, and all Greenbrier customers can get this speed.

Show all download speeds

The following maximum speeds are marketed to XFINITY from Comcast customers in Greenbrier. Cheaper plans with slower speeds may be available.

  • 100.0% up to 1,200.0 Mbps

 

XFINITY from Comcast fiber upload speeds

In Greenbrier download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the slowest compared to other Greenbrier fiber providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Greenbrier is up to 35 Mbps, which is available to everyone covered.

Show all upload speeds

XFINITY's Greenbrier fiber customers can expect the following upload speeds:

  • 100.0% up to 35.0 Mbps

 

 

 

 

Greenbrier Fiber by Area

This information is most helpful to those looking for homes or considering moving to Greenbrier or any of the areas nearby.

How does fiber internet in Greenbrier compare to the rest of Tennessee?

Fiber internet speeds in Greenbrier are much faster versus the average speeds in Tennessee: 0.00 Mbps in Tennessee versus 3,885 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Tennessee is 0.00% versus 99.70% in Greenbrier.

What zip codes have fiber internet?

Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Greenbrier are shown below. You can enter any zip code here to see TV and internet providers by zip code.

Zip CodeInternet Coverage
3707399.06%
3717288.99%
3707284.38%
3708077.87%
3718899.90%
Zip CodeInternet Coverage
3718974.16%
37146100.00%
3704999.72%
3703299.64%
37048100.00%

What does fiber internet 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

Cities with Similar Populations