In Potomac there are 7 residential internet providers covering 99.98% of the city. The average home can get speeds up to 1,873 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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7 Internet Service Providers in Potomac
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 Potomac are not shown.
Potomac 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 Potomac
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 99.98% of Potomac. 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 XFINITY. Now you can call companies in Potomac with more confidence that they might be available.
How fast are internet speeds in Potomac?
The map below shows maximum internet speeds by area in Potomac.
Internet Speed Key
The average Potomac home can get up to 1,873 Mbps on their internet plan. For most people, the fastest download speed in the city is 2,048 Mbps, which 14.04% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 16.42% of homes can only purchase plans up to 1,200 Mbps. See the internet provider details below for info about their speed and coverage in Potomac.
Internet speeds tend to be faster in the northeast parts of Potomac, and slower in the southwest areas of the city.
What type of internet should I choose in Potomac?
The fastest internet for you may vary based on where in Potomac you live. If speed is your main concern, cable will be the fastest internet in the city.
- Fiber is the fastest internet type for 14.46% of Potomac homes.
- Cable is fastest for 85.51% 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 Potomac homes.
Internet Market Health in Potomac
Internet Competition Key
The map shows how competitive the Potomac 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 Potomac based on what connections the average home has availabile:
- Average number of internet service providers to a home: 5.8 (healthy)
- Average types of service (fiber, cable, DSL, etc): 3.0 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 5.8 (very healthy)
Overall, competition is very healthy.
Potomac internet customers have the ability to buy internet service from 2 to 7 different providers, depending on where they live. For different types of service, Potomac homes have between 2 and 3 options. The type(s) of service available are cable, fiber, and fixed wireless, 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 similar. Potomac internet customers who want faster speeds have between 2 and 7 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, Potomac is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Potomac, along with details on where in Potomac and at what speeds.
XFINITY from Comcast Cable in Potomac, MD
XFINITY cable coverage
About 99.98%, or 53,389 people, have XFINITY cable internet available to them in the city. The company covers the entire Potomac area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Potomac.
XFINITY from Comcast cable download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in Potomac. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Potomac. The fastest plan anyone in Potomac can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the city-wide average maximum speed for Potomac customers is up to 1,865 Mbps.
Show all download speeds
- 83.2% up to 2,000.0 Mbps
- 16.8% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Potomac 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 the fastest compared to other Potomac cable providers. XFINITY offers 3 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 Potomac is up to 2,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 251 Mbps.
Show all upload speeds
- 2.1% up to 2,000.0 Mbps
- 81.0% up to 250.0 Mbps
- 16.8% up to 35.0 Mbps
EarthLink Fiber in Potomac, MD
EarthLink fiber coverage
About 99.64%, or 53,208 people, have EarthLink fiber internet available to them in the city. The company covers the entire Potomac area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Potomac.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Potomac. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are 2 different maximum speeds throughout Potomac. The fastest plan anyone in Potomac can order from EarthLink goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the city-wide average maximum speed for Potomac customers is up to 1,096 Mbps.
Show all download speeds
- 14.1% up to 2,048.0 Mbps
- 85.9% up to 940.0 Mbps
EarthLink fiber upload speeds
In Potomac download speeds tend to be faster than 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 Potomac 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 Potomac is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, EarthLink customers can get speeds up to 1,045 Mbps.
Show all upload speeds
- 14.1% up to 2,048.0 Mbps
- 85.9% up to 880.0 Mbps
Verizon Fiber in Potomac, MD
Verizon fiber coverage
About 99.64%, or 53,208 people, have Verizon fiber internet available to them in the city. The company covers the entire Potomac area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of Potomac.
Verizon fiber download speeds
Verizon is above average when comparing download speeds to all other internet providers in Potomac. Versus other fiber providers in the area, Verizon fiber is one of the slowest. There are 2 different maximum speeds throughout Potomac. The fastest plan anyone in Potomac can order from Verizon goes up to 2,048 Mbps, the slowest package only goes up to 940 Mbps, and the city-wide average maximum speed for Potomac customers is up to 1,096 Mbps.
Show all download speeds
- 14.1% up to 2,048.0 Mbps
- 85.9% up to 940.0 Mbps
Verizon fiber upload speeds
In Potomac download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is above average where upload speeds are concerned, and one of the slowest compared to other Potomac fiber providers. Verizon 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 Potomac is up to 2,048 Mbps. Some customers have slower plan choices, which only go up to 880 Mbps. On average, Verizon customers can get speeds up to 1,045 Mbps.
Show all upload speeds
- 14.1% up to 2,048.0 Mbps
- 85.9% up to 880.0 Mbps
EarthLink Fixed Wireless in Potomac, MD
EarthLink fixed wireless coverage
About 91.71%, or 48,976 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Potomac area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Potomac.
EarthLink fixed wireless download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Potomac. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Potomac. The fastest plan anyone in Potomac 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 Potomac customers is up to 52 Mbps.
Show all download speeds
- 36.4% up to 100.0 Mbps
- 63.6% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Potomac download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Potomac 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 Potomac 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 9.2 Mbps.
Show all upload speeds
- 36.4% up to 20.0 Mbps
- 63.6% up to 3.0 Mbps
AT&T Fixed Wireless in Potomac, MD
AT&T fixed wireless coverage
About 91.71%, or 48,976 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Potomac area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Potomac.
AT&T fixed wireless download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Potomac. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Potomac. The fastest plan anyone in Potomac 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 Potomac customers is up to 52 Mbps.
Show all download speeds
- 36.4% up to 100.0 Mbps
- 63.6% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Potomac download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other Potomac 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 Potomac 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 9.2 Mbps.
Show all upload speeds
- 36.4% up to 20.0 Mbps
- 63.6% up to 3.0 Mbps
T-Mobile Home Internet Fixed Wireless in Potomac, MD
T-Mobile Home Internet fixed wireless coverage
About 85.48%, or 45,645 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Potomac 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 Potomac.
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 Potomac. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Potomac. The fastest plan anyone in Potomac 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 Potomac customers is up to 87 Mbps.
Show all download speeds
- 83.3% up to 100.0 Mbps
- 16.7% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Potomac 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 above average compared to other Potomac 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 Potomac 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 17 Mbps.
Show all upload speeds
- 83.3% up to 20.0 Mbps
- 16.7% up to 3.0 Mbps
Verizon Fixed Wireless in Potomac, MD
Verizon fixed wireless coverage
About 12.77%, or 6,817 people, have Verizon fixed wireless internet available to them in the city. The company covers the east, southwest, northwest, northeast, north, west, and south Potomac area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Potomac.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Potomac. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Potomac. The fastest plan anyone in Potomac can order from Verizon goes up to 300 Mbps, and all Potomac customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Potomac 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 Potomac fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Potomac is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Potomac Internet by Area
This information is most helpful to those looking for homes or considering moving to Potomac or any of the areas nearby.
How does internet in Potomac compare to the rest of Maryland?
Internet speeds in Potomac are slower versus the average speeds in Maryland: 2,041 Mbps in Maryland versus 1,873 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Maryland is 98.96% versus 99.98% in Potomac.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Potomac 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
- North Bethesda, MD: less internet coverage, faster speeds
- Travilah, MD: more internet coverage, slower speeds
- Rockville, MD: less internet coverage, faster speeds
- Cabin John, MD: more internet coverage, faster speeds
- Garrett Park, MD: more internet coverage, faster speeds
- Glen Echo, MD: less internet coverage, faster speeds
- Bethesda, MD: less internet coverage, faster speeds
- Kensington, MD: more internet coverage, faster speeds
- Chevy Chase View, MD: more internet coverage, faster speeds
- South Kensington, MD: more internet coverage, faster speeds
Cities with Similar Populations
- Asheboro, NC: less internet coverage, faster speeds
- Winter Park, FL: less internet coverage, faster speeds
- Winter Garden, FL: less internet coverage, faster speeds
- West Sacramento, CA: less internet coverage, faster speeds
- West Chester, OH: less internet coverage, faster speeds
- Webster, NY: less internet coverage, faster speeds
- Vero Beach, FL: less internet coverage, faster speeds
- Union, NJ: less internet coverage, faster speeds
- Tooele, UT: less internet coverage, faster speeds
- Sterling, VA: less internet coverage, slower speeds