In 37921 there are 4 residential Fiber providers covering 99.27% of the zip. The average home can get speeds up to 9,791 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 37921, TN.
To see availability maps for all providers including fiber, cable, DSL, and more in 37921, TN please click below.
Fiber Internet Service Providers in 37921
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 37921 are not shown.
37921 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 37921 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 99.27% of 37921. 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 37921 above to see who has service at your home.
How fast is fiber internet in 37921?
The map below shows maximum fiber internet speeds by area in 37921.
Fiber Internet Speed Key
The average 37921 home can get up to 9,791 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 10,000 Mbps, which 94.10% 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 1,000 Mbps. See the internet provider details below for info about their speed and coverage in 37921.
Fiber internet speeds tend to be faster in the southwest parts of 37921, and slower in the south areas of the zip.
Is fiber the fastest internet I can get in 37921?
The fastest internet for you may vary based on where in 37921 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 99.23% of 37921 homes.
- Cable is fastest for less than 1% of the zip.
- 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 37921 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 37921, along with details on where in 37921 and at what speeds.
KUB Fiber Fiber in 37921, TN
KUB Fiber fiber coverage
About 94.10%, or 26,981 people, have KUB Fiber fiber internet available to them in the zip. The company covers the entire 37921 area. KUB Fiber is a large internet service provider internet service providers in the US, with internet service available in most of 37921.
KUB Fiber fiber download speeds
KUB Fiber is the fastest when comparing download speeds to all other internet providers in 37921. Versus other fiber providers in the area, KUB Fiber fiber is the fastest. There are no different maximum speeds throughout 37921. The fastest plan anyone in 37921 can order from KUB Fiber goes up to 10,000 Mbps, and all 37921 customers can get this speed.
Show all download speeds
- 100.0% up to 10,000.0 Mbps
KUB Fiber fiber upload speeds
In 37921 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 37921 fiber providers. KUB Fiber offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 37921 is up to 10,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10,000.0 Mbps
EarthLink Fiber in 37921, TN
EarthLink fiber coverage
About 77.47%, or 22,214 people, have EarthLink fiber internet available to them in the zip. The company covers the entire 37921 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of 37921.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in 37921. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are 2 different maximum speeds throughout 37921. The fastest plan anyone in 37921 can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the zip-wide average maximum speed for 37921 customers is up to 4,847 Mbps.
Show all download speeds
- 96.2% up to 5,000.0 Mbps
- 3.8% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In 37921 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 one of the slowest compared to other 37921 fiber providers. EarthLink offers 2 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 37921 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 4,847 Mbps.
Show all upload speeds
- 96.2% up to 5,000.0 Mbps
- 3.8% up to 1,000.0 Mbps
AT&T Fiber in 37921, TN
AT&T fiber coverage
About 77.47%, or 22,214 people, have AT&T fiber internet available to them in the zip. The company covers the entire 37921 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of 37921.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in 37921. Versus other fiber providers in the area, AT&T fiber is one of the slowest. There are 2 different maximum speeds throughout 37921. The fastest plan anyone in 37921 can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the zip-wide average maximum speed for 37921 customers is up to 4,847 Mbps.
Show all download speeds
- 96.2% up to 5,000.0 Mbps
- 3.8% up to 1,000.0 Mbps
AT&T fiber upload speeds
In 37921 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 one of the slowest compared to other 37921 fiber providers. AT&T offers 2 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 37921 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 4,847 Mbps.
Show all upload speeds
- 96.2% up to 5,000.0 Mbps
- 3.8% up to 1,000.0 Mbps
Frontier Communications Fiber in 37921, TN
Frontier fiber coverage
About 2.65%, or 761 people, have Frontier fiber internet available to them in the zip. The company covers the northwest 37921 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 37921.
Frontier Communications fiber download speeds
Frontier is above average when comparing download speeds to all other internet providers in 37921. Versus other fiber providers in the area, Frontier fiber is above average. There are no different maximum speeds throughout 37921. The fastest plan anyone in 37921 can order from Frontier goes up to 7,000 Mbps, and all 37921 customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Frontier Communications fiber upload speeds
In 37921 download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is above average where upload speeds are concerned, and above average compared to other 37921 fiber providers. Frontier offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 37921 is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
37921 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 37921 or any of the areas nearby.
How does fiber internet in 37921 compare to the rest of Tennessee?
Fiber internet speeds in 37921 are much faster versus the average speeds in Tennessee: 0.00 Mbps in Tennessee versus 9,791 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Tennessee is 0.00% versus 99.27% in 37921.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 37921 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 zip codes?
Below are zip codes nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Zip Codes
- 37912, TN: less fiber coverage, slower speeds
- 37909, TN: more fiber coverage, slower speeds
- 37916, TN: less fiber coverage, faster speeds
- 37919, TN: less fiber coverage, faster speeds
- 37902, TN: less fiber coverage, faster speeds
- 37917, TN: less fiber coverage, slower speeds
- 37849, TN: less fiber coverage, slower speeds
- 37915, TN: less fiber coverage, faster speeds
- 37923, TN: less fiber coverage, slower speeds
- 37931, TN: less fiber coverage, slower speeds
Zip Codes with Similar Populations
- 02760, MA: less fiber coverage, slower speeds
- 27517, NC: less fiber coverage, slower speeds
- 77630, TX: less fiber coverage, slower speeds
- 89701, NV: less fiber coverage, slower speeds
- 11725, NY: more fiber coverage, slower speeds
- 15010, PA: less fiber coverage, slower speeds
- 19103, PA: less fiber coverage, slower speeds
- 60091, IL: less fiber coverage, slower speeds
- 70501, LA: less fiber coverage, faster speeds
- 60077, IL: less fiber coverage, slower speeds