In Petersburg there are 11 residential internet providers covering 99.77% of the city. The average home can get speeds up to 917 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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11 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 99.77% 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 CASSCOMM. 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 917 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 88.27% 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 25 Mbps. See the internet provider details below for info about their speed and coverage in Petersburg.
Internet speeds tend to be faster in the west 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, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 86.92% of Petersburg homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 12.86%.
- 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: 5.3 (healthy)
- Average types of service (fiber, cable, DSL, etc): 2.6 (healthy)
- Average providers with broadband (25 Mbps+) speeds: 3.9 (unhealthy)
Overall, competition is healthy.
Petersburg internet customers have the ability to buy internet service from 1 to 8 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 fixed wireless, 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 1 and 8 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 is doing better than most.
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.
CASSCOMM Fiber in Petersburg, IL
CASSCOMM fiber coverage
About 86.92%, or 4,557 people, have CASSCOMM fiber internet available to them in the city. The company covers the entire Petersburg area. CASSCOMM is a large internet service provider internet service providers in the US, with internet service available in most of Petersburg.
CASSCOMM fiber download speeds
CASSCOMM is the fastest when comparing download speeds to all other internet providers in Petersburg. Versus other fiber providers in the area, CASSCOMM fiber is the fastest. There are no different maximum speeds throughout Petersburg. The fastest plan anyone in Petersburg can order from CASSCOMM 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
CASSCOMM fiber upload speeds
In Petersburg download speeds tend to be equal to than upload speeds for CASSCOMM fiber. Compared to other ISPs, CASSCOMM is the fastest where upload speeds are concerned, and the fastest compared to other Petersburg fiber providers. CASSCOMM offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Petersburg is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
AT&T DSL in Petersburg, IL
AT&T DSL coverage
About 68.32%, or 3,582 people, have AT&T DSL internet available to them in the city. The company covers the entire Petersburg area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Petersburg.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Petersburg. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are no different maximum speeds throughout Petersburg. The fastest plan anyone in Petersburg can order from AT&T goes up to 10 Mbps, and all Petersburg customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In Petersburg download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Petersburg DSL providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Petersburg is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
EarthLink DSL in Petersburg, IL
EarthLink DSL coverage
About 68.32%, or 3,582 people, have EarthLink DSL internet available to them in the city. The company covers the entire Petersburg area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Petersburg.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Petersburg. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are no different maximum speeds throughout Petersburg. The fastest plan anyone in Petersburg can order from EarthLink goes up to 10 Mbps, and all Petersburg customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In Petersburg download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Petersburg DSL providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Petersburg is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Rise Broadband Fixed Wireless in Petersburg, IL
Rise Broadband fixed wireless coverage
About 97.86%, or 5,131 people, have Rise Broadband fixed wireless internet available to them in the city. The company covers the entire Petersburg area. Rise Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in most of Petersburg.
Rise Broadband fixed wireless download speeds
Rise Broadband is below average when comparing download speeds to all other internet providers in Petersburg. Versus other fixed wireless providers in the area, Rise Broadband fixed wireless is below average. There are 3 different maximum speeds throughout Petersburg. The fastest plan anyone in Petersburg can order from Rise Broadband goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Petersburg customers is up to 37 Mbps.
Show all download speeds
- 1.0% up to 100.0 Mbps
- 46.0% up to 50.0 Mbps
- 53.0% up to 25.0 Mbps
Rise Broadband fixed wireless upload speeds
In Petersburg download speeds tend to be faster than than upload speeds for Rise Broadband fixed wireless. Compared to other ISPs, Rise Broadband is below average where upload speeds are concerned, and below average compared to other Petersburg fixed wireless providers. Rise Broadband 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 20 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, Rise Broadband customers can get speeds up to 7.5 Mbps.
Show all upload speeds
- 1.0% up to 20.0 Mbps
- 46.0% up to 10.0 Mbps
- 53.0% up to 5.0 Mbps
T-Mobile Home Internet Fixed Wireless in Petersburg, IL
T-Mobile Home Internet fixed wireless coverage
About 95.77%, or 5,021 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire Petersburg area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of Petersburg.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Petersburg. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout Petersburg. The fastest plan anyone in Petersburg can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Petersburg customers is up to 52 Mbps.
Show all download speeds
- 36.6% up to 100.0 Mbps
- 63.4% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Petersburg download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and below average compared to other Petersburg fixed wireless providers. T-Mobile Home Internet 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 Petersburg is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 9.2 Mbps.
Show all upload speeds
- 36.6% up to 20.0 Mbps
- 63.4% up to 3.0 Mbps
CASSCOMM Fixed Wireless in Petersburg, IL
CASSCOMM fixed wireless coverage
About 28.30%, or 1,484 people, have CASSCOMM fixed wireless internet available to them in the city. The company covers the southwest, northwest, north, southeast, northeast, south, and west Petersburg area. CASSCOMM is a large internet service provider internet service providers in the US, with internet service available in a small portion of Petersburg.
CASSCOMM fixed wireless download speeds
CASSCOMM is below average when comparing download speeds to all other internet providers in Petersburg. Versus other fixed wireless providers in the area, CASSCOMM fixed wireless is below average. There are 2 different maximum speeds throughout Petersburg. The fastest plan anyone in Petersburg can order from CASSCOMM goes up to 50 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Petersburg customers is up to 26 Mbps.
Show all download speeds
- 4.9% up to 50.0 Mbps
- 95.1% up to 25.0 Mbps
CASSCOMM fixed wireless upload speeds
In Petersburg download speeds tend to be faster than than upload speeds for CASSCOMM fixed wireless. Compared to other ISPs, CASSCOMM is below average where upload speeds are concerned, and below average compared to other Petersburg fixed wireless providers. CASSCOMM 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 Petersburg is up to 5.0 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, CASSCOMM customers can get speeds up to 3.1 Mbps.
Show all upload speeds
- 4.9% up to 5.0 Mbps
- 95.1% up to 3.0 Mbps
EarthLink Fixed Wireless in Petersburg, IL
EarthLink fixed wireless coverage
About 25.23%, or 1,323 people, have EarthLink fixed wireless internet available to them in the city. The company covers the southeast, northeast, southwest, east, and northwest Petersburg area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Petersburg.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Petersburg. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are 2 different maximum speeds throughout Petersburg. The fastest plan anyone in Petersburg can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Petersburg customers is up to 29 Mbps.
Show all download speeds
- 5.2% up to 100.0 Mbps
- 94.8% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In Petersburg download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and below average compared to other Petersburg fixed wireless providers. EarthLink 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 Petersburg is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 3.9 Mbps.
Show all upload speeds
- 5.2% up to 20.0 Mbps
- 94.8% up to 3.0 Mbps
AT&T Fixed Wireless in Petersburg, IL
AT&T fixed wireless coverage
About 25.23%, or 1,323 people, have AT&T fixed wireless internet available to them in the city. The company covers the southeast, northeast, southwest, east, and northwest Petersburg area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Petersburg.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Petersburg. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are 2 different maximum speeds throughout Petersburg. The fastest plan anyone in Petersburg can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for Petersburg customers is up to 29 Mbps.
Show all download speeds
- 5.2% up to 100.0 Mbps
- 94.8% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In Petersburg download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and below average compared to other Petersburg fixed wireless providers. AT&T 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 Petersburg is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 3.9 Mbps.
Show all upload speeds
- 5.2% up to 20.0 Mbps
- 94.8% up to 3.0 Mbps
Nextlink Fixed Wireless in Petersburg, IL
Nextlink fixed wireless coverage
About 23.54%, or 1,234 people, have Nextlink fixed wireless internet available to them in the city. The company covers the northwest, west, southeast, north, northeast, southwest, and central Petersburg area. Nextlink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Petersburg.
Nextlink fixed wireless download speeds
Nextlink is above average when comparing download speeds to all other internet providers in Petersburg. Versus other fixed wireless providers in the area, Nextlink fixed wireless is the fastest. There are 5 different maximum speeds throughout Petersburg. The fastest plan anyone in Petersburg can order from Nextlink goes up to 1,000 Mbps, the slowest package only goes up to 300 Mbps, and the city-wide average maximum speed for Petersburg customers is up to 382 Mbps.
Show all download speeds
- 5.8% up to 1,000.0 Mbps
- 3.4% up to 800.0 Mbps
- 3.3% up to 700.0 Mbps
- 5.9% up to 500.0 Mbps
- 81.6% up to 300.0 Mbps
Nextlink fixed wireless upload speeds
In Petersburg download speeds tend to be faster than than upload speeds for Nextlink fixed wireless. Compared to other ISPs, Nextlink is above average where upload speeds are concerned, and the fastest compared to other Petersburg fixed wireless providers. Nextlink offers 5 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 500 Mbps. Some customers have slower plan choices, which only go up to 100 Mbps. On average, Nextlink customers can get speeds up to 144 Mbps.
Show all upload speeds
- 5.8% up to 500.0 Mbps
- 3.4% up to 400.0 Mbps
- 3.3% up to 300.0 Mbps
- 3.6% up to 200.0 Mbps
- 83.9% up to 100.0 Mbps
Verizon Fixed Wireless in Petersburg, IL
Verizon fixed wireless coverage
About 2.44%, or 128 people, have Verizon fixed wireless internet available to them in the city. The company covers the southeast and southwest Petersburg area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Petersburg.
Verizon fixed wireless download speeds
Verizon is above average when comparing download speeds to all other internet providers in Petersburg. Versus other fixed wireless providers in the area, Verizon fixed wireless is above average. There are no different maximum speeds throughout Petersburg. The fastest plan anyone in Petersburg can order from Verizon goes up to 300 Mbps, and all Petersburg customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Petersburg download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and below average compared to other Petersburg fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Petersburg is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
MR Systems Wireless Fixed Wireless in Petersburg, IL
MR Systems Wireless fixed wireless coverage
About 1.43%, or 75 people, have MR Systems Wireless fixed wireless internet available to them in the city. The company covers the northeast Petersburg area. MR Systems Wireless is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Petersburg.
MR Systems Wireless fixed wireless download speeds
MR Systems Wireless is one of the slowest when comparing download speeds to all other internet providers in Petersburg. Versus other fixed wireless providers in the area, MR Systems Wireless fixed wireless is the slowest. There are no different maximum speeds throughout Petersburg. The fastest plan anyone in Petersburg can order from MR Systems Wireless goes up to 10 Mbps, and all Petersburg customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
MR Systems Wireless fixed wireless upload speeds
In Petersburg download speeds tend to be faster than than upload speeds for MR Systems Wireless fixed wireless. Compared to other ISPs, MR Systems Wireless is one of the slowest where upload speeds are concerned, and the slowest compared to other Petersburg fixed wireless providers. MR Systems Wireless offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Petersburg is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Royell Communications Fixed Wireless in Petersburg, IL
Royell Communications fixed wireless coverage
About 1.28%, or 67 people, have Royell Communications fixed wireless internet available to them in the city. The company covers the southeast Petersburg area. Royell Communications is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Petersburg.
Royell Communications fixed wireless download speeds
Royell Communications is below average when comparing download speeds to all other internet providers in Petersburg. Versus other fixed wireless providers in the area, Royell Communications fixed wireless is below average. There are no different maximum speeds throughout Petersburg. The fastest plan anyone in Petersburg can order from Royell Communications goes up to 25 Mbps, and all Petersburg customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
Royell Communications fixed wireless upload speeds
In Petersburg download speeds tend to be faster than than upload speeds for Royell Communications fixed wireless. Compared to other ISPs, Royell Communications is below average where upload speeds are concerned, and below average compared to other Petersburg fixed wireless providers. Royell Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Petersburg is up to 5.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5.0 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 Illinois?
Internet speeds in Petersburg are slower versus the average speeds in Illinois: 2,791 Mbps in Illinois versus 917 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Illinois is 99.02% versus 99.77% 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
- Tice, IL: more internet coverage, slower speeds
- Athens, IL: less internet coverage, slower speeds
- Tallula, IL: more internet coverage, slower speeds
- Salisbury, IL: more internet coverage, slower speeds
- Greenview, IL: less internet coverage, faster speeds
- Sweet Water, IL: less internet coverage, slower speeds
- Oakford, IL: less internet coverage, slower speeds
- Richland, IL: more internet coverage, slower speeds
- Newmansville, IL: less internet coverage, slower speeds
- Cantrall, IL: more internet coverage, slower speeds
Cities with Similar Populations
- Hutchinson Island South, FL: less internet coverage, faster speeds
- Elmendorf Afb, AK: less internet coverage, slower speeds
- Euharlee, GA: less internet coverage, faster speeds
- Eutawville, SC: less internet coverage, faster speeds
- Evart, MI: less internet coverage, slower speeds
- Evendale, OH: less internet coverage, faster speeds
- Fabens, TX: more internet coverage, faster speeds
- Fairway, KS: more internet coverage, faster speeds
- Fall Branch, TN: less internet coverage, faster speeds
- Hebron, MD: more internet coverage, faster speeds