In Charleston there are 4 residential Fiber providers covering 60.71% of the city. The average home can get speeds up to 4,601 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 Charleston, TN.
To see availability maps for all providers including fiber, cable, DSL, and more in Charleston, TN please click below.
Charleston, TN Availability Maps
Fiber Internet Service Providers in Charleston
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 Charleston are not shown.
Charleston 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 Charleston is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 60.71% of Charleston. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Twin Lakes. Call one of the companies with service in Charleston above to see who has service at your home.
How fast is fiber internet in Charleston?
The map below shows maximum fiber internet speeds by area in Charleston.
Fiber Internet Speed Key
The average Charleston home can get up to 4,601 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 8,000 Mbps, which 20.49% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 21.42% 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 Charleston.
Fiber internet speeds tend to be faster in the south parts of Charleston, and slower in the central areas of the city.
Is fiber the fastest internet I can get in Charleston?
The fastest internet for you may vary based on where in Charleston you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 54.65% of Charleston homes.
- Cable is fastest for 37.53% of the city.
- DSL is fastest for 7.20%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Charleston homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Charleston, along with details on where in Charleston and at what speeds.
Spectrum Fiber in Charleston, TN
Spectrum fiber coverage
About 31.22%, or 1,539 people, have Spectrum fiber internet available to them in the city. The company covers the southeast, southwest, south, and east Charleston area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Charleston.
Spectrum fiber download speeds
Spectrum is below average when comparing download speeds to all other internet providers in Charleston. Versus other fiber providers in the area, Spectrum fiber is the slowest. There are no different maximum speeds throughout Charleston. The fastest plan anyone in Charleston can order from Spectrum goes up to 1,000 Mbps, and all Charleston customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In Charleston download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the slowest compared to other Charleston fiber providers. Spectrum 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 Charleston is up to 500 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 488 Mbps.
Show all upload speeds
- 97.4% up to 500.0 Mbps
- 2.6% up to 35.0 Mbps
EarthLink Fiber in Charleston, TN
EarthLink fiber coverage
About 30.41%, or 1,499 people, have EarthLink fiber internet available to them in the city. The company covers the west, southwest, northwest, central, and south Charleston area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Charleston.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Charleston. Versus other fiber providers in the area, EarthLink fiber is below average. There are 2 different maximum speeds throughout Charleston. The fastest plan anyone in Charleston 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 Charleston customers is up to 4,277 Mbps.
Show all download speeds
- 81.9% up to 5,000.0 Mbps
- 18.1% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Charleston 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 Charleston 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 Charleston 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 4,277 Mbps.
Show all upload speeds
- 81.9% up to 5,000.0 Mbps
- 18.1% up to 1,000.0 Mbps
AT&T Fiber in Charleston, TN
AT&T fiber coverage
About 30.41%, or 1,499 people, have AT&T fiber internet available to them in the city. The company covers the west, southwest, northwest, central, and south Charleston area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Charleston.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Charleston. Versus other fiber providers in the area, AT&T fiber is below average. There are 2 different maximum speeds throughout Charleston. The fastest plan anyone in Charleston 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 Charleston customers is up to 4,277 Mbps.
Show all download speeds
- 81.9% up to 5,000.0 Mbps
- 18.1% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Charleston 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 Charleston 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 Charleston 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 4,277 Mbps.
Show all upload speeds
- 81.9% up to 5,000.0 Mbps
- 18.1% up to 1,000.0 Mbps
Twin Lakes Fiber in Charleston, TN
Twin Lakes fiber coverage
About 20.49%, or 1,010 people, have Twin Lakes fiber internet available to them in the city. The company covers the southeast, southwest, northwest, and south Charleston area. Twin Lakes is a large internet service provider internet service providers in the US, with internet service available in a small portion of Charleston.
Twin Lakes fiber download speeds
Twin Lakes is the fastest when comparing download speeds to all other internet providers in Charleston. Versus other fiber providers in the area, Twin Lakes fiber is the fastest. There are no different maximum speeds throughout Charleston. The fastest plan anyone in Charleston can order from Twin Lakes goes up to 8,000 Mbps, and all Charleston customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Twin Lakes fiber upload speeds
In Charleston download speeds tend to be equal to than upload speeds for Twin Lakes fiber. Compared to other ISPs, Twin Lakes is the fastest where upload speeds are concerned, and the fastest compared to other Charleston fiber providers. Twin Lakes offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Charleston is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
Charleston Fiber by Area
This information is most helpful to those looking for homes or considering moving to Charleston or any of the areas nearby.
How does fiber internet in Charleston compare to the rest of Tennessee?
Fiber internet speeds in Charleston are much faster versus the average speeds in Tennessee: 0.00 Mbps in Tennessee versus 4,601 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Tennessee is 0.00% versus 60.71% in Charleston.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Charleston 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 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
- Watt Heights, TN: less fiber coverage, slower speeds
- Calhoun, TN: more fiber coverage, slower speeds
- Sanford, TN: more fiber coverage, slower speeds
- Patty, TN: more fiber coverage, slower speeds
- Cleveland, TN: more fiber coverage, slower speeds
- Lamontville, TN: less fiber coverage, slower speeds
- South Liberty, TN: more fiber coverage, slower speeds
- Benton, TN: less fiber coverage, slower speeds
- Georgetown, TN: less fiber coverage, faster speeds
- Ocoee, TN: less fiber coverage, slower speeds
Cities with Similar Populations
- China Spring, TX: less fiber coverage, slower speeds
- Mayflower, AR: more fiber coverage, slower speeds
- Clifton, TX: more fiber coverage, faster speeds
- Clever, MO: less fiber coverage, slower speeds
- Gatlinburg, TN: less fiber coverage, slower speeds
- Geneva, AL: more fiber coverage, slower speeds
- Geneva, FL: less fiber coverage, slower speeds
- Clay City, KY: more fiber coverage, slower speeds
- Clay Center, KS: more fiber coverage, slower speeds
- Genoa City, WI: less fiber coverage, slower speeds