In Greenwich there are 7 residential internet providers covering 99.36% of the city. The average home can get speeds up to 7,677 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 Greenwich
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 Greenwich are not shown.
Greenwich 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 Greenwich
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 99.36% of Greenwich. 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 Optimum. Now you can call companies in Greenwich with more confidence that they might be available.
How fast are internet speeds in Greenwich?
The map below shows maximum internet speeds by area in Greenwich.
Internet Speed Key
The average Greenwich home can get up to 7,677 Mbps on their internet plan. For most people, the fastest download speed in the city is 8,000 Mbps, which 94.62% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.43% of homes can only purchase plans up to 940 Mbps. See the internet provider details below for info about their speed and coverage in Greenwich.
Internet speeds tend to be faster in the southeast parts of Greenwich, and slower in the northwest areas of the city.
What type of internet should I choose in Greenwich?
The fastest internet for you may vary based on where in Greenwich you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 98.34% of Greenwich homes.
- Cable is fastest for 1.02% 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 Greenwich homes.
Internet Market Health in Greenwich
Internet Competition Key
The map shows how competitive the Greenwich 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 Greenwich based on what connections the average home has availabile:
- Average number of internet service providers to a home: 6.8 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 2.9 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 6.8 (very healthy)
Overall, competition is very healthy.
Greenwich internet customers have the ability to buy internet service from 1 to 9 different providers, depending on where they live. For different types of service, Greenwich homes have between 1 and 4 options. The type(s) of service available are cable, fiber, fixed wireless, 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. Greenwich internet customers who want faster speeds have between 1 and 9 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, Greenwich is doing quite well.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in Greenwich, along with details on where in Greenwich and at what speeds.
Optimum Cable in Greenwich, CT
Optimum cable coverage
About 99.28%, or 39,203 people, have Optimum cable internet available to them in the city. The company covers the entire Greenwich area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Greenwich.
Optimum cable download speeds
Optimum is below average when comparing download speeds to all other internet providers in Greenwich. Versus other cable providers in the area, Optimum cable is the slowest. There are no different maximum speeds throughout Greenwich. The fastest plan anyone in Greenwich can order from Optimum goes up to 940 Mbps, and all Greenwich customers can get this speed.
Show all download speeds
- 100.0% up to 940.0 Mbps
Optimum cable upload speeds
In Greenwich download speeds tend to be faster than than upload speeds for Optimum cable. Compared to other ISPs, Optimum is below average where upload speeds are concerned, and one of the fastest compared to other Greenwich cable providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Greenwich is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Optimum Fiber in Greenwich, CT
Optimum fiber coverage
About 94.62%, or 37,364 people, have Optimum fiber internet available to them in the city. The company covers the entire Greenwich area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Greenwich.
Optimum fiber download speeds
Optimum is the fastest when comparing download speeds to all other internet providers in Greenwich. Versus other fiber providers in the area, Optimum fiber is the fastest. There are no different maximum speeds throughout Greenwich. The fastest plan anyone in Greenwich can order from Optimum goes up to 8,000 Mbps, and all Greenwich customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Optimum fiber upload speeds
In Greenwich download speeds tend to be equal to than upload speeds for Optimum fiber. Compared to other ISPs, Optimum is the fastest where upload speeds are concerned, and the fastest compared to other Greenwich fiber providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Greenwich is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
EarthLink Fiber in Greenwich, CT
EarthLink fiber coverage
About 93.03%, or 36,738 people, have EarthLink fiber internet available to them in the city. The company covers the entire Greenwich area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Greenwich.
EarthLink fiber download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Greenwich. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are 2 different maximum speeds throughout Greenwich. The fastest plan anyone in Greenwich 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 Greenwich customers is up to 1,373 Mbps.
Show all download speeds
- 39.1% up to 2,048.0 Mbps
- 60.9% up to 940.0 Mbps
EarthLink fiber upload speeds
In Greenwich download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other Greenwich 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 Greenwich 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 1,337 Mbps.
Show all upload speeds
- 39.1% up to 2,048.0 Mbps
- 60.9% up to 880.0 Mbps
Verizon Fiber in Greenwich, CT
Verizon fiber coverage
About 93.03%, or 36,738 people, have Verizon fiber internet available to them in the city. The company covers the entire Greenwich area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in most of Greenwich.
Verizon fiber download speeds
Verizon is below average when comparing download speeds to all other internet providers in Greenwich. Versus other fiber providers in the area, Verizon fiber is one of the slowest. There are 2 different maximum speeds throughout Greenwich. The fastest plan anyone in Greenwich 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 Greenwich customers is up to 1,373 Mbps.
Show all download speeds
- 39.1% up to 2,048.0 Mbps
- 60.9% up to 940.0 Mbps
Verizon fiber upload speeds
In Greenwich download speeds tend to be faster than than upload speeds for Verizon fiber. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and one of the slowest compared to other Greenwich 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 Greenwich 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 1,337 Mbps.
Show all upload speeds
- 39.1% up to 2,048.0 Mbps
- 60.9% up to 880.0 Mbps
T-Mobile Home Internet Fixed Wireless in Greenwich, CT
T-Mobile Home Internet fixed wireless coverage
About 82.37%, or 32,526 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Greenwich area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in much of Greenwich.
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 Greenwich. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Greenwich. The fastest plan anyone in Greenwich 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 Greenwich customers is up to 77 Mbps.
Show all download speeds
- 69.8% up to 100.0 Mbps
- 30.2% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Greenwich 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 average compared to other Greenwich 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 Greenwich 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 15 Mbps.
Show all upload speeds
- 69.8% up to 20.0 Mbps
- 30.2% up to 3.0 Mbps
EarthLink Fixed Wireless in Greenwich, CT
EarthLink fixed wireless coverage
About 78.03%, or 30,812 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire Greenwich area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Greenwich.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Greenwich. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Greenwich. The fastest plan anyone in Greenwich 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 Greenwich customers is up to 49 Mbps.
Show all download speeds
- 32.2% up to 100.0 Mbps
- 67.8% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Greenwich 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 one of the slowest compared to other Greenwich 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 Greenwich 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 8.5 Mbps.
Show all upload speeds
- 32.2% up to 20.0 Mbps
- 67.8% up to 3.0 Mbps
AT&T Fixed Wireless in Greenwich, CT
AT&T fixed wireless coverage
About 78.03%, or 30,812 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire Greenwich area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Greenwich.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Greenwich. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Greenwich. The fastest plan anyone in Greenwich 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 Greenwich customers is up to 49 Mbps.
Show all download speeds
- 32.2% up to 100.0 Mbps
- 67.8% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Greenwich 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 one of the slowest compared to other Greenwich 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 Greenwich 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 8.5 Mbps.
Show all upload speeds
- 32.2% up to 20.0 Mbps
- 67.8% up to 3.0 Mbps
Verizon Fixed Wireless in Greenwich, CT
Verizon fixed wireless coverage
About 51.79%, or 20,451 people, have Verizon fixed wireless internet available to them in the city. The company covers the southwest, south, central, west, east, northwest, north, and southeast Greenwich area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Greenwich.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in Greenwich. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Greenwich. The fastest plan anyone in Greenwich can order from Verizon goes up to 300 Mbps, and all Greenwich customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Greenwich 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 Greenwich fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Greenwich is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
Greenwich Internet by Area
This information is most helpful to those looking for homes or considering moving to Greenwich or any of the areas nearby.
How does internet in Greenwich compare to the rest of Connecticut?
Internet speeds in Greenwich are faster versus the average speeds in Connecticut: 6,732 Mbps in Connecticut versus 7,677 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Connecticut is 98.58% versus 99.36% in Greenwich.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around Greenwich 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
- Rye Brook, NY: more internet coverage, slower speeds
- Cos Cob, CT: more internet coverage, faster speeds
- Port Chester, NY: more internet coverage, faster speeds
- Riverside, CT: more internet coverage, faster speeds
- Purchase, NY: less internet coverage, slower speeds
- Old Greenwich, CT: more internet coverage, faster speeds
- Harrison, NY: less internet coverage, slower speeds
- Rye, NY: more internet coverage, faster speeds
- Stamford, CT: more internet coverage, faster speeds
- West Harrison, NY: more internet coverage, slower speeds
Cities with Similar Populations
- Willowbrook, CA: more internet coverage, slower speeds
- College Park, MD: less internet coverage, slower speeds
- Claremont, CA: less internet coverage, slower speeds
- Old Bridge, NJ: more internet coverage, slower speeds
- Rome, NY: more internet coverage, slower speeds
- Rockledge, FL: more internet coverage, slower speeds
- Ringgold, GA: more internet coverage, slower speeds
- Port Huron, MI: more internet coverage, slower speeds
- Perry Hall, MD: more internet coverage, slower speeds
- Peachtree City, GA: more internet coverage, slower speeds