In Duplex there are 9 residential internet providers covering 98.83% of the city. The average home can get speeds up to 2,029 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.
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9 Internet Service Providers in Duplex
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 Duplex are not shown.
Duplex 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
Availability maps for all providers in Duplex
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
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Internet service is available in 98.83% of Duplex. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is United Communications. Now you can call companies in Duplex with more confidence that they might be available.
How fast are internet speeds in Duplex?
The map below shows maximum internet speeds by area in Duplex.

Internet Speed Key
The average Duplex home can get up to 2,029 Mbps on their internet plan. For most people, the fastest download speed in the city is 5,000 Mbps, which 5.40% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 13.30% 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 Duplex.
Internet speeds tend to be faster in the west parts of Duplex, and slower in the northwest areas of the city.
What type of internet should I choose in Duplex?
The fastest internet for you may vary based on where in Duplex you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 85.52% of Duplex homes.
- Cable is fastest for 13.30% 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 1.17% of Duplex homes.
Internet Market Health in Duplex

Internet Competition Key
The map shows how competitive the Duplex internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Duplex based on what connections the average home has availabile:
- Average number of internet service providers to a home: 7.0 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 3.1 (very healthy)
- Average providers with broadband (25 Mbps+) speeds: 6.8 (very healthy)
Overall, competition is very healthy.
Duplex internet customers have the ability to buy internet service from 1 to 11 different providers, depending on where they live. For different types of service, Duplex homes have between 1 and 4 options. The type(s) of service available are fixed wireless, fiber, cable, and dsl, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Duplex internet customers who want faster speeds have between 1 and 11 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Duplex is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Duplex, along with details on where in Duplex and at what speeds.
United Communications Fiber in Duplex, TN

United Communications fiber coverage
About 85.52%, or 1,093 people, have United Communications fiber internet available to them in the city. The company covers the southeast, north, east, south, west, northeast, central, and southwest Duplex area. United Communications is a large internet service provider internet service providers in the US, with internet service available in most of Duplex.
United Communications fiber download speeds
United Communications is above average when comparing download speeds to all other internet providers in Duplex. Versus other fiber providers in the area, United Communications fiber is the slowest. There are no different maximum speeds throughout Duplex. The fastest plan anyone in Duplex can order from United Communications goes up to 2,000 Mbps, and all Duplex customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
United Communications fiber upload speeds
In Duplex download speeds tend to be equal to than upload speeds for United Communications fiber. Compared to other ISPs, United Communications is above average where upload speeds are concerned, and the slowest compared to other Duplex fiber providers. United Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Duplex is up to 2,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,000.0 Mbps
Spectrum Cable in Duplex, TN

Spectrum cable coverage
About 73.94%, or 945 people, have Spectrum cable internet available to them in the city. The company covers the north, east, northwest, west, northeast, central, south, and southeast Duplex area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in much of Duplex.
Spectrum cable download speeds
Spectrum is above average when comparing download speeds to all other internet providers in Duplex. Versus other cable providers in the area, Spectrum cable is the slowest. There are no different maximum speeds throughout Duplex. The fastest plan anyone in Duplex can order from Spectrum goes up to 1,000 Mbps, and all Duplex customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In Duplex download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and one of the fastest compared to other Duplex cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Duplex is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
EarthLink DSL in Duplex, TN

EarthLink DSL coverage
About 46.01%, or 588 people, have EarthLink DSL internet available to them in the city. The company covers the north, southeast, northwest, west, and southwest Duplex area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Duplex.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Duplex. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Duplex. The fastest plan anyone in Duplex can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Duplex customers is up to 47 Mbps.
Show all download speeds
- 20.6% up to 100.0 Mbps
- 15.5% up to 75.0 Mbps
- 11.7% up to 50.0 Mbps
- 25.0% up to 25.0 Mbps
- 27.2% up to 10.0 Mbps
EarthLink DSL upload speeds
In Duplex download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the fastest compared to other Duplex DSL providers. EarthLink offers 4 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 Duplex is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 9.9 Mbps.
Show all upload speeds
- 36.1% up to 20.0 Mbps
- 11.7% up to 10.0 Mbps
- 25.0% up to 5.0 Mbps
- 27.2% up to 1.0 Mbps
AT&T DSL in Duplex, TN

AT&T DSL coverage
About 46.01%, or 588 people, have AT&T DSL internet available to them in the city. The company covers the north, southeast, northwest, west, and southwest Duplex area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of Duplex.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Duplex. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Duplex. The fastest plan anyone in Duplex can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Duplex customers is up to 47 Mbps.
Show all download speeds
- 20.6% up to 100.0 Mbps
- 15.5% up to 75.0 Mbps
- 11.7% up to 50.0 Mbps
- 25.0% up to 25.0 Mbps
- 27.2% up to 10.0 Mbps
AT&T DSL upload speeds
In Duplex download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the fastest compared to other Duplex DSL providers. AT&T offers 4 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 Duplex is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 9.9 Mbps.
Show all upload speeds
- 36.1% up to 20.0 Mbps
- 11.7% up to 10.0 Mbps
- 25.0% up to 5.0 Mbps
- 27.2% up to 1.0 Mbps
United Communications DSL in Duplex, TN

United Communications DSL coverage
About 15.73%, or 201 people, have United Communications DSL internet available to them in the city. The company covers the southeast and south Duplex area. United Communications is a large internet service provider internet service providers in the US, with internet service available in a small portion of Duplex.
United Communications DSL download speeds
United Communications is the slowest when comparing download speeds to all other internet providers in Duplex. Versus other DSL providers in the area, United Communications DSL is the slowest. There are no different maximum speeds throughout Duplex. The fastest plan anyone in Duplex can order from United Communications goes up to 25 Mbps, and all Duplex customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
United Communications DSL upload speeds
In Duplex download speeds tend to be faster than than upload speeds for United Communications DSL. Compared to other ISPs, United Communications is the slowest where upload speeds are concerned, and the slowest compared to other Duplex DSL providers. United Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Duplex is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
EarthLink Fiber in Duplex, TN

EarthLink fiber coverage
About 14.87%, or 190 people, have EarthLink fiber internet available to them in the city. The company covers the north and west Duplex area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Duplex.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in Duplex. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout Duplex. The fastest plan anyone in Duplex 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 Duplex customers is up to 2,453 Mbps.
Show all download speeds
- 36.3% up to 5,000.0 Mbps
- 63.7% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Duplex 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 Duplex 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 Duplex 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 2,453 Mbps.
Show all upload speeds
- 36.3% up to 5,000.0 Mbps
- 63.7% up to 1,000.0 Mbps
AT&T Fiber in Duplex, TN

AT&T fiber coverage
About 14.87%, or 190 people, have AT&T fiber internet available to them in the city. The company covers the north and west Duplex area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Duplex.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in Duplex. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are 2 different maximum speeds throughout Duplex. The fastest plan anyone in Duplex 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 Duplex customers is up to 2,453 Mbps.
Show all download speeds
- 36.3% up to 5,000.0 Mbps
- 63.7% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Duplex 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 Duplex 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 Duplex 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 2,453 Mbps.
Show all upload speeds
- 36.3% up to 5,000.0 Mbps
- 63.7% up to 1,000.0 Mbps
XFINITY from Comcast Cable in Duplex, TN

XFINITY cable coverage
About 3.99%, or 51 people, have XFINITY cable internet available to them in the city. The company covers the northeast Duplex 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 Duplex.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Duplex. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout Duplex. The fastest plan anyone in Duplex can order from XFINITY goes up to 1,200 Mbps, and all Duplex customers can get this speed.
Show all download speeds
- 100.0% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Duplex download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and one of the fastest compared to other Duplex cable providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Duplex is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
EarthLink Fixed Wireless in Duplex, TN

EarthLink fixed wireless coverage
About 86.38%, or 1,104 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Duplex area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Duplex.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Duplex. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are 2 different maximum speeds throughout Duplex. The fastest plan anyone in Duplex can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Duplex customers is up to 41 Mbps.
Show all download speeds
- 20.7% up to 100.0 Mbps
- 79.3% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Duplex download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and below average compared to other Duplex fixed wireless 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 Duplex is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 6.5 Mbps.
Show all upload speeds
- 20.7% up to 20.0 Mbps
- 79.3% up to 3.0 Mbps
AT&T Fixed Wireless in Duplex, TN

AT&T fixed wireless coverage
About 86.38%, or 1,104 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Duplex area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Duplex.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Duplex. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are 2 different maximum speeds throughout Duplex. The fastest plan anyone in Duplex can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Duplex customers is up to 41 Mbps.
Show all download speeds
- 20.7% up to 100.0 Mbps
- 79.3% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Duplex download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and below average compared to other Duplex fixed wireless 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 Duplex is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 6.5 Mbps.
Show all upload speeds
- 20.7% up to 20.0 Mbps
- 79.3% up to 3.0 Mbps
T-Mobile Home Internet Fixed Wireless in Duplex, TN

T-Mobile Home Internet fixed wireless coverage
About 85.60%, or 1,094 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the southeast, north, south, east, northwest, west, central, and southwest Duplex area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of Duplex.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Duplex. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the slowest. There are 2 different maximum speeds throughout Duplex. The fastest plan anyone in Duplex can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Duplex customers is up to 28 Mbps.
Show all download speeds
- 4.1% up to 100.0 Mbps
- 95.9% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Duplex download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and the slowest compared to other Duplex fixed wireless providers. T-Mobile Home Internet 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 Duplex is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 3.7 Mbps.
Show all upload speeds
- 4.1% up to 20.0 Mbps
- 95.9% up to 3.0 Mbps
United Communications Fixed Wireless in Duplex, TN

United Communications fixed wireless coverage
About 69.09%, or 883 people, have United Communications fixed wireless internet available to them in the city. The company covers the southeast, east, north, northwest, northeast, central, and west Duplex area. United Communications is a large internet service provider internet service providers in the US, with internet service available in much of Duplex.
United Communications fixed wireless download speeds
United Communications is below average when comparing download speeds to all other internet providers in Duplex. Versus other fixed wireless providers in the area, United Communications fixed wireless is below average. There are no different maximum speeds throughout Duplex. The fastest plan anyone in Duplex can order from United Communications goes up to 60 Mbps, and all Duplex customers can get this speed.
Show all download speeds
- 100.0% up to 60.0 Mbps
United Communications fixed wireless upload speeds
In Duplex download speeds tend to be faster than than upload speeds for United Communications fixed wireless. Compared to other ISPs, United Communications is below average where upload speeds are concerned, and average compared to other Duplex fixed wireless providers. United Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Duplex is up to 8.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8.0 Mbps
Verizon Fixed Wireless in Duplex, TN

Verizon fixed wireless coverage
About 67.53%, or 863 people, have Verizon fixed wireless internet available to them in the city. The company covers the north, east, southeast, northeast, northwest, west, and central Duplex area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of Duplex.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Duplex. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Duplex. The fastest plan anyone in Duplex can order from Verizon goes up to 300 Mbps, and all Duplex customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Duplex download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and the fastest compared to other Duplex fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Duplex is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Duplex Internet by Area
This information is most helpful to those looking for homes or considering moving to Duplex or any of the areas nearby.
How does internet in Duplex compare to the rest of Tennessee?
Internet speeds in Duplex are much slower versus the average speeds in Tennessee: 4,747 Mbps in Tennessee versus 2,029 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Tennessee is 98.89% versus 98.83% in Duplex.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Duplex are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does internet service 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
- Spring Hill, TN: more internet coverage, faster speeds
- Peytonsville, TN: more internet coverage, faster speeds
- Thompsons Station, TN: more internet coverage, faster speeds
- Thick, TN: more internet coverage, slower speeds
- Pottsville, TN: more internet coverage, slower speeds
- College Grove, TN: more internet coverage, faster speeds
- Douglas, TN: more internet coverage, slower speeds
- Rudderville, TN: more internet coverage, slower speeds
- Lanton, TN: more internet coverage, slower speeds
- Holts Corner, TN: less internet coverage, slower speeds
Cities with Similar Populations
- Midway, AR: more internet coverage, slower speeds
- St. Georges, DE: less internet coverage, faster speeds
- Spring Valley, AL: more internet coverage, faster speeds
- Sprakers, NY: more internet coverage, slower speeds
- Solon, ME: more internet coverage, faster speeds
- Smicksburg, PA: less internet coverage, faster speeds
- Silver Point, TN: more internet coverage, faster speeds
- Shobonier, IL: more internet coverage, slower speeds
- Shirley Center, MA: more internet coverage, slower speeds
- Shipman, IL: less internet coverage, slower speeds


