In Southport there are 4 residential Fiber providers covering 100.00% of the city. The average home can get speeds up to 8,000 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 Southport, CT.
To see availability maps for all providers including fiber, cable, DSL, and more in Southport, CT please click below.
Southport, CT Availability Maps
Fiber Internet Service Providers in Southport
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 Southport are not shown.
Southport 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 Southport is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 100.00% of Southport. 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 Southport above to see who has service at your home.
How fast is fiber internet in Southport?
The map below shows maximum fiber internet speeds by area in Southport.
Fiber Internet Speed Key
The average Southport home can get up to 8,000 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 8,000 Mbps, which 100.00% of residents can get.
Is fiber the fastest internet I can get in Southport?
The fastest internet for you may vary based on where in Southport you live. In general, satellite competes most often with fiber in the city.
- Fiber is the fastest internet type for 100.00% of Southport homes.
- Cable is fastest for less than 1% 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 Southport homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Southport, along with details on where in Southport and at what speeds.
Optimum Fiber in Southport, CT
Optimum fiber coverage
About 100.00%, or 4,986 people, have Optimum fiber internet available to them in the city. The company covers the entire Southport area. Optimum is one of the largest internet service providers internet service providers in the US, with internet service available in every corner of Southport.
Optimum fiber download speeds
Optimum is the fastest when comparing download speeds to all other internet providers in Southport. Versus other fiber providers in the area, Optimum fiber is the fastest. There are no different maximum speeds throughout Southport. The fastest plan anyone in Southport can order from Optimum goes up to 8,000 Mbps, and all Southport customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
Optimum fiber upload speeds
In Southport 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 Southport fiber providers. Optimum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Southport 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 Southport, CT
Frontier fiber coverage
About 93.08%, or 4,641 people, have Frontier fiber internet available to them in the city. The company covers the entire Southport area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in most of Southport.
Frontier Communications fiber download speeds
Frontier is above average when comparing download speeds to all other internet providers in Southport. Versus other fiber providers in the area, Frontier fiber is above average. There are no different maximum speeds throughout Southport. The fastest plan anyone in Southport can order from Frontier goes up to 7,000 Mbps, and all Southport customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Frontier Communications fiber upload speeds
In Southport 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 Southport fiber providers. Frontier offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Southport is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
GoNetSpeed Fiber in Southport, CT
GoNetSpeed fiber coverage
About 90.31%, or 4,503 people, have GoNetSpeed fiber internet available to them in the city. The company covers the entire Southport area. GoNetSpeed is a large internet service provider internet service providers in the US, with internet service available in most of Southport.
GoNetSpeed fiber download speeds
GoNetSpeed is below average when comparing download speeds to all other internet providers in Southport. Versus other fiber providers in the area, GoNetSpeed fiber is one of the slowest. There are no different maximum speeds throughout Southport. The fastest plan anyone in Southport can order from GoNetSpeed goes up to 1,000 Mbps, and all Southport customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
GoNetSpeed fiber upload speeds
In Southport download speeds tend to be equal to than upload speeds for GoNetSpeed fiber. Compared to other ISPs, GoNetSpeed is below average where upload speeds are concerned, and one of the slowest compared to other Southport fiber providers. GoNetSpeed offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Southport is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
XFINITY from Comcast Fiber in Southport, CT
XFINITY fiber coverage
About 56.00%, or 2,792 people, have XFINITY fiber internet available to them in the city. The company covers the north, southeast, northwest, central, northeast, south, west, and southwest Southport area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Southport.
XFINITY from Comcast fiber download speeds
XFINITY is below average when comparing download speeds to all other internet providers in Southport. Versus other fiber providers in the area, XFINITY fiber is one of the slowest. There are no different maximum speeds throughout Southport. The fastest plan anyone in Southport can order from XFINITY goes up to 1,000 Mbps, and all Southport customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
XFINITY from Comcast fiber upload speeds
In Southport download speeds tend to be equal to than upload speeds for XFINITY fiber. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and one of the slowest compared to other Southport fiber providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Southport is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Southport Fiber by Area
This information is most helpful to those looking for homes or considering moving to Southport or any of the areas nearby.
How does fiber internet in Southport compare to the rest of Connecticut?
Fiber internet speeds in Southport are much faster versus the average speeds in Connecticut: 0.00 Mbps in Connecticut versus 8,000 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Connecticut is 0.00% versus 100.00% in Southport.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Southport 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
- Fairfield, CT: less fiber coverage, slower speeds
- Westport, CT: less fiber coverage, slower speeds
- Bridgeport, CT: less fiber coverage, slower speeds
- Weston, CT: less fiber coverage, slower speeds
- Norwalk, CT: less fiber coverage, slower speeds
- Easton, CT: equal fiber coverage, slower speeds
- Wilton, CT: less fiber coverage, slower speeds
- Trumbull, CT: less fiber coverage, slower speeds
- Stratford, CT: less fiber coverage, slower speeds
- Cannondale, CT: equal fiber coverage, similar speeds
Cities with Similar Populations
- Kamas, UT: less fiber coverage, slower speeds
- Crooksville, OH: less fiber coverage, slower speeds
- Cropwell, AL: less fiber coverage, slower speeds
- Newton, IL: less fiber coverage, slower speeds
- Cross Roads, TX: less fiber coverage, slower speeds
- Cross, SC: less fiber coverage, slower speeds
- Scott City, KS: less fiber coverage, slower speeds
- Crum Lynne, PA: less fiber coverage, slower speeds
- Cuba, NY: less fiber coverage, slower speeds
- Scottsville, NY: less fiber coverage, slower speeds