In Petersburg there is 1 residential Cable provider covering 97.64% of the city. The average home can get speeds up to 2,500 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 Cable internet providers in Petersburg, AK.
To see availability maps for all providers including fiber, cable, DSL, and more in Petersburg, AK please click below.
Petersburg, AK Availability Maps
Cable Internet Service Provider in Petersburg
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 Petersburg are not shown.
Petersburg 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 Petersburg is cable internet available?
Cable Internet Availability Key
Cable is available in 97.64% of Petersburg. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is GCI. Call one of the companies with service in Petersburg above to see who has service at your home.
How fast is cable internet in Petersburg?
The map below shows maximum cable internet speeds by area in Petersburg.
Cable Internet Speed Key
The average Petersburg home can get up to 2,500 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,500 Mbps, which 97.64% of residents can get.
Is cable the fastest internet I can get in Petersburg?
The fastest internet for you may vary based on where in Petersburg you live. In general, dsl competes most often with cable in the city.
- Fiber is the fastest internet type for less than 1% of Petersburg homes.
- Cable is fastest for 97.64% of the city.
- DSL is fastest for 1.57%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Petersburg homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Petersburg, along with details on where in Petersburg and at what speeds.
GCI Cable in Petersburg, AK
GCI cable coverage
About 97.64%, or 3,224 people, have GCI cable internet available to them in the city. The company covers the entire Petersburg area. GCI is a large internet service provider internet service providers in the US, with internet service available in most of Petersburg.
GCI cable download speeds
GCI is the fastest when comparing download speeds to all other internet providers in Petersburg. Versus other cable providers in the area, GCI cable is the fastest. There are no different maximum speeds throughout Petersburg. The fastest plan anyone in Petersburg can order from GCI goes up to 2,500 Mbps, and all Petersburg customers can get this speed.
Show all download speeds
- 100.0% up to 2,500.0 Mbps
GCI cable upload speeds
In Petersburg download speeds tend to be faster than than upload speeds for GCI cable. Compared to other ISPs, GCI is above average where upload speeds are concerned, and the fastest compared to other Petersburg cable providers. GCI offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Petersburg is up to 75 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 75.0 Mbps
Petersburg Cable by Area
This information is most helpful to those looking for homes or considering moving to Petersburg or any of the areas nearby.
How does cable internet in Petersburg compare to the rest of Alaska?
Cable internet speeds in Petersburg are much faster versus the average speeds in Alaska: 0.00 Mbps in Alaska versus 2,500 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Alaska is 0.00% versus 97.64% in Petersburg.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Petersburg are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable 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
- Wrangell, AK: less cable coverage, similar speeds
- Angoon, AK: less cable coverage, similar speeds
- Sitka, AK: less cable coverage, similar speeds
- Mud Bay, AK: more cable coverage, similar speeds
- Ketchikan, AK: more cable coverage, similar speeds
- Saxman, AK: less cable coverage, similar speeds
- Thane, AK: less cable coverage, similar speeds
- Douglas, AK: more cable coverage, similar speeds
- West Juneau, AK: more cable coverage, similar speeds
- Juneau, AK: more cable coverage, similar speeds
Cities with Similar Populations
- Cleveland, AL: less cable coverage, slower speeds
- David City, NE: less cable coverage, slower speeds
- Sumiton, AL: more cable coverage, slower speeds
- Shorewood, MN: more cable coverage, slower speeds
- Friedens, PA: less cable coverage, slower speeds
- Sharpsburg, PA: more cable coverage, slower speeds
- Narragansett Pier, RI: more cable coverage, slower speeds
- Kingston, OH: less cable coverage, slower speeds
- Monroe City, MO: less cable coverage, slower speeds
- Wrens, GA: less cable coverage, slower speeds