In 37721 there are 4 residential Fiber providers covering 97.25% of the zip. The average home can get speeds up to 6,333 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 37721, TN.
To see availability maps for all providers including fiber, cable, DSL, and more in 37721, TN please click below.
Fiber Internet Service Providers in 37721
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 37721 are not shown.
37721 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 37721 is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 97.25% of 37721. 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 37721 above to see who has service at your home.
How fast is fiber internet in 37721?
The map below shows maximum fiber internet speeds by area in 37721.
Fiber Internet Speed Key
The average 37721 home can get up to 6,333 Mbps on their fiber internet plan. The fastest fiber download speed in the zip is 10,000 Mbps, which 27.34% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.76% 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 37721.
Fiber internet speeds tend to be faster in the north parts of 37721, and slower in the southwest areas of the zip.
Is fiber the fastest internet I can get in 37721?
The fastest internet for you may vary based on where in 37721 you live. In general, cable competes most often with fiber in the zip.
- Fiber is the fastest internet type for 95.49% of 37721 homes.
- Cable is fastest for 4.37% 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 37721 homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in 37721, along with details on where in 37721 and at what speeds.
EarthLink Fiber in 37721, TN
EarthLink fiber coverage
About 79.16%, or 11,326 people, have EarthLink fiber internet available to them in the zip. The company covers the entire 37721 area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of 37721.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in 37721. Versus other fiber providers in the area, EarthLink fiber is below average. There are no different maximum speeds throughout 37721. The fastest plan anyone in 37721 can order from EarthLink goes up to 5,000 Mbps, and all 37721 customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
EarthLink fiber upload speeds
In 37721 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 below average compared to other 37721 fiber providers. EarthLink offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 37721 is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
AT&T Fiber in 37721, TN
AT&T fiber coverage
About 79.16%, or 11,326 people, have AT&T fiber internet available to them in the zip. The company covers the entire 37721 area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of 37721.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in 37721. Versus other fiber providers in the area, AT&T fiber is below average. There are no different maximum speeds throughout 37721. The fastest plan anyone in 37721 can order from AT&T goes up to 5,000 Mbps, and all 37721 customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
AT&T fiber upload speeds
In 37721 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 below average compared to other 37721 fiber providers. AT&T offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 37721 is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
KUB Fiber Fiber in 37721, TN
KUB Fiber fiber coverage
About 27.34%, or 3,912 people, have KUB Fiber fiber internet available to them in the zip. The company covers the north, southeast, northwest, east, west, northeast, and central 37721 area. KUB Fiber is a large internet service provider internet service providers in the US, with internet service available in a small portion of 37721.
KUB Fiber fiber download speeds
KUB Fiber is the fastest when comparing download speeds to all other internet providers in 37721. Versus other fiber providers in the area, KUB Fiber fiber is the fastest. There are no different maximum speeds throughout 37721. The fastest plan anyone in 37721 can order from KUB Fiber goes up to 10,000 Mbps, and all 37721 customers can get this speed.
Show all download speeds
- 100.0% up to 10,000.0 Mbps
KUB Fiber fiber upload speeds
In 37721 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 37721 fiber providers. KUB Fiber offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 37721 is up to 10,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10,000.0 Mbps
TDS Fiber in 37721, TN
TDS fiber coverage
About 8.53%, or 1,221 people, have TDS fiber internet available to them in the zip. The company covers the west, northwest, and southwest 37721 area. TDS is a large internet service provider internet service providers in the US, with internet service available in a very small piece of 37721.
TDS fiber download speeds
TDS is below average when comparing download speeds to all other internet providers in 37721. Versus other fiber providers in the area, TDS fiber is the slowest. There are no different maximum speeds throughout 37721. The fastest plan anyone in 37721 can order from TDS goes up to 1,000 Mbps, and all 37721 customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
TDS fiber upload speeds
In 37721 download speeds tend to be equal to than upload speeds for TDS fiber. Compared to other ISPs, TDS is below average where upload speeds are concerned, and the slowest compared to other 37721 fiber providers. TDS offers no different upload speeds across the zip. The fastest upload speed available to anyone from this ISP in 37721 is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
37721 Fiber by Area
This information is most helpful to those looking for homes or considering moving to 37721 or any of the areas nearby.
How does fiber internet in 37721 compare to the rest of Tennessee?
Fiber internet speeds in 37721 are much faster versus the average speeds in Tennessee: 0.00 Mbps in Tennessee versus 6,333 Mbps in the zip. The state has similar fiber availability compared to the zip. Average fiber coverage in Tennessee is 0.00% versus 97.25% in 37721.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around 37721 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
- 37806, TN: less fiber coverage, faster speeds
- 37924, TN: less fiber coverage, faster speeds
- 37779, TN: more fiber coverage, faster speeds
- 37938, TN: more fiber coverage, faster speeds
- 37918, TN: more fiber coverage, faster speeds
- 37807, TN: more fiber coverage, faster speeds
- 37709, TN: more fiber coverage, faster speeds
- 37871, TN: less fiber coverage, faster speeds
- 37848, TN: more fiber coverage, faster speeds
- 37754, TN: less fiber coverage, faster speeds
Zip Codes with Similar Populations
- 81416, CO: more fiber coverage, slower speeds
- 23836, VA: less fiber coverage, slower speeds
- 30110, GA: less fiber coverage, slower speeds
- 33812, FL: less fiber coverage, faster speeds
- 34241, FL: more fiber coverage, slower speeds
- 38571, TN: more fiber coverage, slower speeds
- 48189, MI: less fiber coverage, slower speeds
- 77510, TX: more fiber coverage, faster speeds
- 78163, TX: more fiber coverage, slower speeds
- 78248, TX: less fiber coverage, faster speeds