In Petersburg there are 4 residential internet providers covering 99.21% of the city. The average home can get speeds up to 2,461 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.
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4 Internet Service Providers 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
Availability maps for all providers in Petersburg
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
Please note some providers will take longer to load than others
Internet service is available in 99.21% of Petersburg. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is GCI. Now you can call companies in Petersburg with more confidence that they might be available.
How fast are internet speeds in Petersburg?
The map below shows maximum internet speeds by area in Petersburg.
Internet Speed Key
The average Petersburg home can get up to 2,461 Mbps on their internet plan. For most people, the fastest download speed in the city is 2,500 Mbps, which 97.64% 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 10 Mbps. See the internet provider details below for info about their speed and coverage in Petersburg.
Internet speeds tend to be faster in the central parts of Petersburg, and slower in the southeast areas of the city.
What type of internet should I choose in Petersburg?
The fastest internet for you may vary based on where in Petersburg you live. If speed is your main concern, cable will be the fastest internet 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.
Internet Market Health in Petersburg
Internet Competition Key
The map shows how competitive the Petersburg internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Petersburg based on what connections the average home has availabile:
- Average number of internet service providers to a home: 2.2 (very unhealthy)
- Average types of service (fiber, cable, DSL, etc): 2.2 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 2.1 (very unhealthy)
Overall, competition is very unhealthy.
Petersburg internet customers have the ability to buy internet service from 1 to 3 different providers, depending on where they live. For different types of service, Petersburg homes have between 1 and 3 options. The type(s) of service available are cable, fiber, and dsl, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Petersburg internet customers who want faster speeds have between 0 and 3 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Petersburg badly needs improvement.
TV & Internet 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
Alaska Power & Telephone Company Fiber in Petersburg, AK
Alaska Telephone Company fiber coverage
About 70.56%, or 2,330 people, have Alaska Telephone Company fiber internet available to them in the city. The company covers the entire Petersburg area. Alaska Telephone Company is an average-sized internet service provider internet service providers in the US, with internet service available in much of Petersburg.
Alaska Power & Telephone Company fiber download speeds
Alaska Telephone Company is below average when comparing download speeds to all other internet providers in Petersburg. Versus other fiber providers in the area, Alaska Telephone Company fiber is the fastest. There are no different maximum speeds throughout Petersburg. The fastest plan anyone in Petersburg can order from Alaska Telephone Company goes up to 1,000 Mbps, and all Petersburg customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Alaska Power & Telephone Company fiber upload speeds
In Petersburg download speeds tend to be faster than than upload speeds for Alaska Telephone Company fiber. Compared to other ISPs, Alaska Telephone Company is the fastest where upload speeds are concerned, and the fastest compared to other Petersburg fiber providers. Alaska Telephone Company offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Petersburg is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
Alaska Power & Telephone Company DSL in Petersburg, AK
Alaska Telephone Company DSL coverage
About 46.67%, or 1,541 people, have Alaska Telephone Company DSL internet available to them in the city. The company covers the southeast, south, southwest, central, and east Petersburg area. Alaska Telephone Company is an average-sized internet service provider internet service providers in the US, with internet service available in some of Petersburg.
Alaska Power & Telephone Company DSL download speeds
Alaska Telephone Company is the slowest when comparing download speeds to all other internet providers in Petersburg. Versus other DSL providers in the area, Alaska Telephone Company DSL is the fastest. There are 3 different maximum speeds throughout Petersburg. The fastest plan anyone in Petersburg can order from Alaska Telephone Company goes up to 50 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Petersburg customers is up to 42 Mbps.
Show all download speeds
- 70.8% up to 50.0 Mbps
- 23.0% up to 25.0 Mbps
- 6.2% up to 10.0 Mbps
Alaska Power & Telephone Company DSL upload speeds
In Petersburg download speeds tend to be faster than than upload speeds for Alaska Telephone Company DSL. Compared to other ISPs, Alaska Telephone Company is the slowest where upload speeds are concerned, and the fastest compared to other Petersburg DSL providers. Alaska Telephone Company 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 Petersburg is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Alaska Telephone Company customers can get speeds up to 7.8 Mbps.
Show all upload speeds
- 70.8% up to 10.0 Mbps
- 23.0% up to 3.0 Mbps
- 6.2% up to 1.0 Mbps
Petersburg Internet 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 internet in Petersburg compare to the rest of Alaska?
Internet speeds in Petersburg are faster versus the average speeds in Alaska: 2,059 Mbps in Alaska versus 2,461 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Alaska is 94.55% versus 99.21% in Petersburg.
What zip codes have widespread internet?
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 internet service 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 internet coverage, slower speeds
- Kake, AK: more internet coverage, slower speeds
- Coffman Cove, AK: less internet coverage, slower speeds
- Naukati Bay, AK: less internet coverage, slower speeds
- Angoon, AK: less internet coverage, faster speeds
- Thorne Bay, AK: less internet coverage, slower speeds
- Klawock, AK: less internet coverage, slower speeds
- Kasaan, AK: more internet coverage, slower speeds
- Craig, AK: more internet coverage, slower speeds
- Sitka, AK: less internet coverage, faster speeds
Cities with Similar Populations
- Cleveland, AL: more internet coverage, slower speeds
- David City, NE: more internet coverage, slower speeds
- Sumiton, AL: more internet coverage, slower speeds
- Shorewood, MN: more internet coverage, slower speeds
- Friedens, PA: less internet coverage, slower speeds
- Sharpsburg, PA: less internet coverage, slower speeds
- Narragansett Pier, RI: more internet coverage, slower speeds
- Jesup, IA: more internet coverage, slower speeds
- Kingston, OH: more internet coverage, slower speeds
- Monroe City, MO: more internet coverage, faster speeds