In Norwalk there are 3 residential Fiber providers covering 98.49% of the city. The average home can get speeds up to 7,945 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 Norwalk, CT.
To see availability maps for all providers including fiber, cable, DSL, and more in Norwalk, CT please click below.
Fiber Internet Service Providers in Norwalk
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 Norwalk are not shown.
Norwalk 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 Norwalk is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 98.49% of Norwalk. 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 Norwalk above to see who has service at your home.
How fast is fiber internet in Norwalk?
The map below shows maximum fiber internet speeds by area in Norwalk.
Fiber Internet Speed Key
The average Norwalk home can get up to 7,945 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 8,000 Mbps, which 97.47% 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 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Norwalk.
Fiber internet speeds tend to be faster in the northeast parts of Norwalk, and slower in the north areas of the city.
Is fiber the fastest internet I can get in Norwalk?
The fastest internet for you may vary based on where in Norwalk you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 98.49% of Norwalk homes.
- Cable is fastest for 1.06% 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 Norwalk homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Norwalk, along with details on where in Norwalk and at what speeds.
Optimum Fiber in Norwalk, CT
Optimum fiber coverage
About 97.47%, or 88,592 people, have Optimum fiber internet available to them in the city. The company covers the entire Norwalk area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in most of Norwalk.
Optimum fiber download speeds
Optimum is the fastest when comparing download speeds to all other internet providers in Norwalk. Versus other fiber providers in the area, Optimum fiber is the fastest. There are no different maximum speeds throughout Norwalk. The fastest plan anyone in Norwalk can order from Optimum goes up to 8,000 Mbps, and all Norwalk customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Optimum fiber upload speeds
In Norwalk 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 Norwalk fiber providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Norwalk 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 Norwalk, CT
Frontier fiber coverage
About 93.35%, or 84,848 people, have Frontier fiber internet available to them in the city. The company covers the entire Norwalk area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of Norwalk.
Frontier Communications fiber download speeds
Frontier is above average when comparing download speeds to all other internet providers in Norwalk. Versus other fiber providers in the area, Frontier fiber is above average. There are 2 different maximum speeds throughout Norwalk. The fastest plan anyone in Norwalk 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 Norwalk customers is up to 6,937 Mbps.
Show all download speeds
- 99.0% up to 7,000.0 Mbps
- 1.0% up to 1,000.0 Mbps
Frontier Communications fiber upload speeds
In Norwalk 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 Norwalk fiber providers. Frontier 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 Norwalk 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 6,937 Mbps.
Show all upload speeds
- 99.0% up to 7,000.0 Mbps
- 1.0% up to 1,000.0 Mbps
XFINITY from Comcast Fiber in Norwalk, CT
XFINITY fiber coverage
About 63.18%, or 57,430 people, have XFINITY fiber internet available to them in the city. The company covers the entire Norwalk area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Norwalk.
XFINITY from Comcast fiber download speeds
XFINITY is below average when comparing download speeds to all other internet providers in Norwalk. Versus other fiber providers in the area, XFINITY fiber is the slowest. There are 2 different maximum speeds throughout Norwalk. The fastest plan anyone in Norwalk can order from XFINITY goes up to 1,200 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Norwalk customers is up to 1,113 Mbps.
Show all download speeds
- 56.6% up to 1,200.0 Mbps
- 43.4% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In Norwalk download speeds tend to be faster than than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the slowest compared to other Norwalk fiber providers. XFINITY 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 Norwalk is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 633 Mbps.
Show all upload speeds
- 62.0% up to 1,000.0 Mbps
- 38.0% up to 35.0 Mbps
Norwalk Fiber by Area
This information is most helpful to those looking for homes or considering moving to Norwalk or any of the areas nearby.
How does fiber internet in Norwalk compare to the rest of Connecticut?
Fiber internet speeds in Norwalk are much faster versus the average speeds in Connecticut: 0.00 Mbps in Connecticut versus 7,945 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Connecticut is 0.00% versus 98.49% in Norwalk.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Norwalk 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, faster speeds
- Westport, CT: more fiber coverage, faster speeds
- New Canaan, CT: more fiber coverage, faster speeds
- Wilton, CT: more fiber coverage, faster speeds
- Stamford, CT: less fiber coverage, faster speeds
- Southport, CT: more fiber coverage, faster speeds
- Cannondale, CT: more fiber coverage, faster speeds
- Weston, CT: more fiber coverage, faster speeds
- Scotts Corners, NY: more fiber coverage, slower speeds
- Old Greenwich, CT: more fiber coverage, faster speeds
Cities with Similar Populations
- Norfolk, VA: less fiber coverage, slower speeds
- Odessa, TX: less fiber coverage, slower speeds
- Ogden, UT: less fiber coverage, faster speeds
- North Hollywood, CA: less fiber coverage, slower speeds
- North Hills, CA: less fiber coverage, slower speeds
- Oklahoma City, OK: less fiber coverage, slower speeds
- Olathe, KS: more fiber coverage, slower speeds
- Norristown, PA: less fiber coverage, slower speeds
- Norman, OK: less fiber coverage, slower speeds
- North Charleston, SC: less fiber coverage, slower speeds