In Stamford there are 2 residential Fiber providers covering 98.03% of the city. The average home can get speeds up to 7,991 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 Stamford, CT.
To see availability maps for all providers including fiber, cable, DSL, and more in Stamford, CT please click below.
Stamford, CT Availability Maps
Fiber Internet Service Providers in Stamford
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 Stamford are not shown.
Stamford 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 Stamford is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 98.03% of Stamford. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Optimum. Call one of the companies with service in Stamford above to see who has service at your home.
How fast is fiber internet in Stamford?
The map below shows maximum fiber internet speeds by area in Stamford.
Fiber Internet Speed Key
The average Stamford home can get up to 7,991 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 8,000 Mbps, which 97.11% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 7,000 Mbps. See the internet provider details below for info about their speed and coverage in Stamford.
Fiber internet speeds tend to be faster in the central parts of Stamford, and slower in the south areas of the city.
Is fiber the fastest internet I can get in Stamford?
The fastest internet for you may vary based on where in Stamford you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 98.03% of Stamford homes.
- Cable is fastest for 1.72% 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 Stamford homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Stamford, along with details on where in Stamford and at what speeds.
Optimum Fiber in Stamford, CT
Optimum fiber coverage
About 97.11%, or 131,345 people, have Optimum fiber internet available to them in the city. The company covers the entire Stamford area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Stamford.
Optimum fiber download speeds
Optimum is the fastest when comparing download speeds to all other internet providers in Stamford. Versus other fiber providers in the area, Optimum fiber is the fastest. There are no different maximum speeds throughout Stamford. The fastest plan anyone in Stamford can order from Optimum goes up to 8,000 Mbps, and all Stamford customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Optimum fiber upload speeds
In Stamford 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 Stamford fiber providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Stamford is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
Frontier Communications Fiber in Stamford, CT
Frontier fiber coverage
About 85.39%, or 115,503 people, have Frontier fiber internet available to them in the city. The company covers the entire Stamford area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of Stamford.
Frontier Communications fiber download speeds
Frontier is above average when comparing download speeds to all other internet providers in Stamford. Versus other fiber providers in the area, Frontier fiber is above average. There are 3 different maximum speeds throughout Stamford. The fastest plan anyone in Stamford can order from Frontier goes up to 7,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Stamford customers is up to 6,992 Mbps.
Show all download speeds
- 99.8% up to 7,000.0 Mbps
- 0.1% up to 5,000.0 Mbps
- 0.1% up to 1,000.0 Mbps
Frontier Communications fiber upload speeds
In Stamford download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is above average where upload speeds are concerned, and above average compared to other Stamford fiber providers. Frontier 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 Stamford is up to 7,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, Frontier customers can get speeds up to 6,992 Mbps.
Show all upload speeds
- 99.8% up to 7,000.0 Mbps
- 0.1% up to 5,000.0 Mbps
- 0.1% up to 1,000.0 Mbps
Stamford Fiber by Area
This information is most helpful to those looking for homes or considering moving to Stamford or any of the areas nearby.
How does fiber internet in Stamford compare to the rest of Connecticut?
Fiber internet speeds in Stamford are much faster versus the average speeds in Connecticut: 0.00 Mbps in Connecticut versus 7,991 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Connecticut is 0.00% versus 98.03% in Stamford.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Stamford 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
- Darien, CT: more fiber coverage, slower speeds
- Old Greenwich, CT: more fiber coverage, faster speeds
- Riverside, CT: more fiber coverage, faster speeds
- Cos Cob, CT: more fiber coverage, slower speeds
- Greenwich, CT: more fiber coverage, slower speeds
- New Canaan, CT: more fiber coverage, faster speeds
- Norwalk, CT: more fiber coverage, slower speeds
- Port Chester, NY: more fiber coverage, slower speeds
- Rye Brook, NY: more fiber coverage, slower speeds
- Scotts Corners, NY: more fiber coverage, slower speeds
Cities with Similar Populations
- Iowa City, IA: less fiber coverage, slower speeds
- Johns Creek, GA: less fiber coverage, slower speeds
- Inglewood, CA: less fiber coverage, slower speeds
- Irving, TX: less fiber coverage, slower speeds
- Harrisburg, PA: less fiber coverage, slower speeds
- Huntington Park, CA: less fiber coverage, slower speeds
- Huntington Beach, CA: less fiber coverage, slower speeds
- Huntington, WV: less fiber coverage, slower speeds
- Hesperia, CA: less fiber coverage, slower speeds
- Hemet, CA: less fiber coverage, slower speeds