In South Portland there are 3 residential Fiber providers covering 95.61% of the city. The average home can get speeds up to 1,989 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 South Portland, ME.
To see availability maps for all providers including fiber, cable, DSL, and more in South Portland, ME please click below.
South Portland, ME Availability Maps
Fiber Internet Service Providers in South Portland
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 South Portland are not shown.
South Portland 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 South Portland is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 95.61% of South Portland. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Fidium. Call one of the companies with service in South Portland above to see who has service at your home.
How fast is fiber internet in South Portland?
The map below shows maximum fiber internet speeds by area in South Portland.
Fiber Internet Speed Key
The average South Portland home can get up to 1,989 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 2,000 Mbps, which 94.53% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.08% 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 South Portland.
Fiber internet speeds tend to be faster in the east parts of South Portland, and slower in the west areas of the city.
Is fiber the fastest internet I can get in South Portland?
The fastest internet for you may vary based on where in South Portland you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 95.61% of South Portland homes.
- Cable is fastest for 3.78% 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 South Portland homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in South Portland, along with details on where in South Portland and at what speeds.
Fidium Fiber Fiber in South Portland, ME
Fidium fiber coverage
About 94.53%, or 25,196 people, have Fidium fiber internet available to them in the city. The company covers the entire South Portland area. Fidium is one of the largest internet service providers internet service providers in the US, with internet service available in most of South Portland.
Fidium Fiber fiber download speeds
Fidium is the fastest when comparing download speeds to all other internet providers in South Portland. Versus other fiber providers in the area, Fidium fiber is the fastest. There are no different maximum speeds throughout South Portland. The fastest plan anyone in South Portland can order from Fidium goes up to 2,000 Mbps, and all South Portland customers can get this speed.
Show all download speeds
- 100.0% up to 2,000.0 Mbps
Fidium Fiber fiber upload speeds
In South Portland download speeds tend to be equal to than upload speeds for Fidium fiber. Compared to other ISPs, Fidium is the fastest where upload speeds are concerned, and the fastest compared to other South Portland fiber providers. Fidium offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in South Portland is up to 2,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 2,000.0 Mbps
GoNetSpeed Fiber in South Portland, ME
GoNetSpeed fiber coverage
About 80.30%, or 21,404 people, have GoNetSpeed fiber internet available to them in the city. The company covers the northeast, south, central, southwest, east, west, southeast, and north South Portland area. GoNetSpeed is a large internet service provider internet service providers in the US, with internet service available in much of South Portland.
GoNetSpeed fiber download speeds
GoNetSpeed is above average when comparing download speeds to all other internet providers in South Portland. Versus other fiber providers in the area, GoNetSpeed fiber is below average. There are no different maximum speeds throughout South Portland. The fastest plan anyone in South Portland can order from GoNetSpeed goes up to 1,000 Mbps, and all South Portland customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
GoNetSpeed fiber upload speeds
In South Portland download speeds tend to be equal to than upload speeds for GoNetSpeed fiber. Compared to other ISPs, GoNetSpeed is above average where upload speeds are concerned, and below average compared to other South Portland fiber providers. GoNetSpeed offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in South Portland is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Great Works Internet Fiber in South Portland, ME
Great Works Internet fiber coverage
About 14.23%, or 3,794 people, have Great Works Internet fiber internet available to them in the city. The company covers the south, central, southwest, north, northeast, and northwest South Portland area. Great Works Internet is an average-sized internet service provider internet service providers in the US, with internet service available in a very small piece of South Portland.
Great Works Internet fiber download speeds
Great Works Internet is above average when comparing download speeds to all other internet providers in South Portland. Versus other fiber providers in the area, Great Works Internet fiber is the slowest. There are 3 different maximum speeds throughout South Portland. The fastest plan anyone in South Portland can order from Great Works Internet goes up to 1,000 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for South Portland customers is up to 884 Mbps.
Show all download speeds
- 87.6% up to 1,000.0 Mbps
- 7.5% up to 105.0 Mbps
- 4.9% up to 10.0 Mbps
Great Works Internet fiber upload speeds
In South Portland download speeds tend to be faster than than upload speeds for Great Works Internet fiber. Compared to other ISPs, Great Works Internet is above average where upload speeds are concerned, and the slowest compared to other South Portland fiber providers. Great Works Internet 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 South Portland is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Great Works Internet customers can get speeds up to 884 Mbps.
Show all upload speeds
- 87.6% up to 1,000.0 Mbps
- 7.5% up to 105.0 Mbps
- 4.9% up to 1.0 Mbps
South Portland Fiber by Area
This information is most helpful to those looking for homes or considering moving to South Portland or any of the areas nearby.
How does fiber internet in South Portland compare to the rest of Maine?
Fiber internet speeds in South Portland are much faster versus the average speeds in Maine: 0.00 Mbps in Maine versus 1,989 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Maine is 0.00% versus 95.61% in South Portland.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around South Portland 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
- Cape Elizabeth, ME: more fiber coverage, faster speeds
- Portland, ME: less fiber coverage, slower speeds
- Cash Corner, ME: more fiber coverage, faster speeds
- Peaks Island, ME: more fiber coverage, faster speeds
- Scarborough, ME: less fiber coverage, slower speeds
- Westbrook, ME: less fiber coverage, faster speeds
- Long Island, ME: more fiber coverage, slower speeds
- Falmouth, ME: less fiber coverage, faster speeds
- Cliff Island, ME: more fiber coverage, slower speeds
- Cumberland Foreside, ME: less fiber coverage, slower speeds
Cities with Similar Populations
- Fremont, OH: less fiber coverage, faster speeds
- Tarpon Springs, FL: less fiber coverage, faster speeds
- Tahlequah, OK: less fiber coverage, faster speeds
- Stoughton, MA: more fiber coverage, slower speeds
- Sachse, TX: more fiber coverage, faster speeds
- Royse City, TX: less fiber coverage, faster speeds
- Ravenna, OH: less fiber coverage, faster speeds
- Ramsey, MN: less fiber coverage, slower speeds
- Hazelwood, MO: less fiber coverage, faster speeds
- Harvest, AL: less fiber coverage, faster speeds