9 Best Internet Providers in Petersburg, IL
Find internet availability by address in Petersburg, IL
Jump to: Best Internet Provider | Availability Maps | Customer Reviews | Petersburg ISP Report Card | Business Internet in Petersburg
| Petersburg ISP Report Card | C+ | |
| Download Speed for Most Households | 917 Mbps | |
| Number of Internet Service Providers | 9 | |
| Real Petersburg Customer Ratings | 0 |
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
This page reflects the most recent FCC update from January 06, 2026, based on the Broadband Data Collection as of June 30, 2025.
Petersburg has 9 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Fixed Wireless, and DSL internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 3 available internet technologies in Petersburg.
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Petersburg has 9 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Fixed Wireless, and DSL internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 3 available internet technologies in Petersburg.
Compare Providers Ranked by Coverage, Speed, and Customer Ratings
CASSCOMM
Connection
Customer Rating
Fiber
Fixed Wireless
EarthLink
Connection
Customer Rating
DSL
Fixed Wireless
AT&T
Connection
Customer Rating
DSL
Fixed Wireless
Rise Broadband
Connection
Customer Rating
Fixed Wireless
Above are the top 4 providers in Petersburg, IL for most people based on high speed internet coverage, speeds, and customer reviews. Click below to see all providers in your city.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Petersburg ratings may vary and are shown below.
Who is the Best Internet Provider in Petersburg, IL?
CASSCOMM is the best internet provider in Petersburg based on Illinois customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, CASSCOMM had the best reviews at the local, state, and national levels versus all available providers in Petersburg, making it a solid recommendation among providers with reviews. CASSCOMM is an option for 92.60% of the city.
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The chart and table below show average customer ratings from customers in Petersburg, Illinois, and customers throughout the country.
Top Rated Internet Providers in Petersburg
Local, State, and National Ratings for all Petersburg Internet Providers
| ISP / Tech Type | Petersburg Overall | Illinois Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| CASSCOMM | (0) | (2) | (4) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| Rise Broadband | (0) | (1) | (18) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| AT&T | (0) | (47) | (924) | View Plans | ||
| MR Systems Wireless | (0) | (1) | (1) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| Nextlink | (0) | (0) | (14) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| Royell Communications | (0) | (0) | (0) | View Plans |
Based on 76 reviews from Illinois internet customers, CASSCOMM is the best internet service provider for Petersburg residents. CASSCOMM was rated at an average of 5.00 out of 5 in our report for overall customer satisfaction. MR Systems Wireless wins for second-place in Illinois, with 2.00 out of 5 stars and 1.4% coverage in Petersburg.
At a national level, based on 2009 national reviews for any of the providers listed above, MR Systems Wireless is rated higher than any other provider, with a rating of 2.00 out of 5.
Which Providers are Available at my Home in Petersburg?
a different provider.

Internet Availability Key
Speeds and coverage vary within the city, and sometimes even from block to block. The map shows speeds per provider and where each provider is available.
Who is the Fastest Internet Provider in Petersburg?
Based on both FCC data and unbiased customer ratings in Petersburg, the fastest internet in the city comes from CASSCOMM.
Data Reported to FCC by ISPs: Average Maximum Available in Petersburg
| ISP / Tech Type | Max Advertised Speed | ||
|---|---|---|---|
| Nextlink | 1,000 Mbps | ||
| CASSCOMM | 1,000 Mbps | ||
| Verizon | 300 Mbps | ||
| AT&T | 100 Mbps | ||
| EarthLink | 100 Mbps | ||
| T-Mobile Home Internet | 100 Mbps | ||
| Viasat | 100 Mbps | ||
| Rise Broadband | 100 Mbps | ||
| Royell Communications | 25 Mbps | ||
| HughesNet | 25 Mbps | ||
| MR Systems Wireless | 10 Mbps |
Customer Ratings for Internet Provider Speeds in Petersburg
| ISP / Tech Type | Petersburg Speed | Illinois Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| CASSCOMM | (0) | (2) | (4) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| AT&T | (0) | (47) | (924) | View Plans | ||
| Rise Broadband | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| MR Systems Wireless | (0) | (1) | (1) | View Plans | ||
| Nextlink | (0) | (0) | (14) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| Royell Communications | (0) | (0) | (0) | View Plans |
Based on data reported by Petersburg ISPs to the FCC, the fastest speeds in the city are available through CASSCOMM. The company offers speeds up to 1,000 Mbps in Petersburg. Therefore, the average customer can get up to 941 Mbps if they're willing to purchase the fastest subscription tier available at their homes.
However, actual customers in the city rated their satisfaction with internet speed highest with CASSCOMM. This indicates CASSCOMM reliably delivers speeds expected by the customer based on the plan they are paying for.
Who is the Cheapest Internet Provider in Petersburg?
Illinois customers rate CASSCOMM as the cheapest internet service provider in state. Data comes from customers in the state rating their satisfaction with pricing. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
CASSCOMM received a local rating of 4.50 out of 5, which is higher than the average across all internet providers in the country. MR Systems Wireless is rated in second place for affordability by the company’s Petersburg customers with an average price rating of 2.00 out of 5.
The chart and graph below show how customers in Petersburg, Illinois, and the United States rated the affordability of their internet service.
Rated Affordability in Petersburg
| ISP / Tech Type | Petersburg Affordability | Illinois Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| CASSCOMM | (0) | (2) | (4) | View Plans | ||
| Verizon | (0) | (10) | (723) | View Plans | ||
| T-Mobile Home Internet | (0) | (14) | (284) | View Plans | ||
| AT&T | (0) | (47) | (924) | View Plans | ||
| Rise Broadband | (0) | (1) | (18) | View Plans | ||
| MR Systems Wireless | (0) | (1) | (1) | View Plans | ||
| Viasat | (0) | (1) | (11) | View Plans | ||
| Nextlink | (0) | (0) | (14) | View Plans | ||
| EarthLink | (0) | (0) | (12) | View Plans | ||
| HughesNet | (0) | (0) | (18) | View Plans | ||
| Royell Communications | (0) | (0) | (0) | View Plans |
Petersburg Internet Health Assessment
ISP Reports evaluates the technological infrastructure across the United States. This includes assessing a grade for ISP providers and infrastructure in the city and setting an index number for the digital connectivity of its residents. You can view the ISP Report Card and the Digital Connectivity Index for Petersburg below, including the metrics used and how Petersburg compares to the rest of Illinois and nation.
| Metric
(hover for details)
|
Petersburg | Illinois | USA | ||
|---|---|---|---|---|---|
| Fiber Availability Percent The percentage of households in Petersburg that have a Fiber internet connection available to their home. | 86.92% | 44.05% | 67.25% | ||
| Average Download SpeedThe maximum download speed most households can get on average. This is measured by availability in a block group and weighted by the population in that area. | 917 Mbps | 2,791 Mbps | 3,293 Mbps | ||
| Provider CountThe number of providers available for most people. This is a weighted average by block rather than a total for Petersburg. | 5.3 | 7.1 | 6.8 |
| Average Household SizeA larger household size in a city indicates that there will be a greater need for bandwidth due to simultaneous usage, multiple devices, and network congestion. | 2.2 | 2.6 | 2.7 | ||
| Work From Home PercentA higher percent of the population working from home indicates bandwidth requirements being more widely needed rather than consolidated to commercial portions of the city. | 9% | 14% | 14% | ||
| Households with DevicesA higher percentage of households with computing devices in the home indicates a higher level of infrastructure needed to support those households. | 94% | 95% | 95% | ||
| Households with InternetA higher percentage of households with internet indicates a higher need for usage and connectivity in people’s daily lives. | 90% | 90% | 90% | ||
| Households with BroadbandA higher percentage of households with a broadband connection (defined as speeds above 25 Mbps) indicates heavier usage needs within these households. | 62% | 74% | 75% | ||
| Broadband Usage vs. AvailabilityThis measures what percentage of households who have a broadband connection to their home actually have an active subscription to that service. | 63% | 75% | 76% |
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Petersburg ISP Report Card & Digital Connectivity Index
The ISP Report Card in Petersburg is C+, which is comparable to other cities. The local demand for broadband internet connectivity in Petersburg is high with a score of 44 / 100 in our Digital Connectivity Index. This means that internet service providers operating in Petersburg have done a average job meeting the needs of its residents.
The Petersburg ISP Report Card evaluates the city on availability and speed metrics compared to other cities in the United States. ISP Infrastructure can vary greatly and on its own isn’t a perfect measure of what a city needs. Please see our ISP Report Card along with the Digital Connectivity Index above to evaluate how well the connectivity demand is met by the existing infrastructure.
90% of Petersburg households have an internet connection despite having 99.77% availability. 62% of households have fiber, cable, or DSL, 11% have satellite, 1% are still on dial-up, and 3% of households have internet but don’t pay for a subscription because it’s subsidized by the Affordable Connectivity Program.
As you can see in the table above, while 62% of households have a broadband connection such as fiber, cable or DSL available to their home, 63% subscribe to it. A moderate amount of Petersburg residents are taking advantage of the available internet infrastructure.
For more details, please visit our ISP Report Card and Digital Connectivity Index pages.
How do Neighboring Cities Compare to Petersburg?
- ISP Report Card: C+
- Digital Connectivity Index: 27 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 51 / 100
- ISP Report Card: C+
- Digital Connectivity Index: 45 / 100
- ISP Report Card: D+
- Digital Connectivity Index: 32 / 100
- ISP Report Card: B
- Digital Connectivity Index: 41 / 100
- ISP Report Card: D-
- Digital Connectivity Index: 39 / 100
- ISP Report Card: D+
- Digital Connectivity Index: 29 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 44 / 100
- ISP Report Card: D
- Digital Connectivity Index: 43 / 100
How Much Speed does a Petersburg Household Need?
Higher speed is typically preferred, but that comes at a higher price. The average size of a household in Petersburg is 2.2, which is smaller than the Illinois average of 2.6 and smaller than the national average of 2.7. Petersburg's average household income is $76,757 which is about average for the Illinois average of $93,298 and about average for the national average of $90,606. Homes with fewer people living in them and with higher incomes tend to indicate a fairly average device usage pattern.
Petersburg also has 11% of its population enrolled in school between the 6th grade and college level, this is lower than the Illinois average of 16%. Additionally, 9% of residents work from home, which is lower than the 14% of residents in Illinois who work from home. This and other factors you can see above show us that the community of Petersburg has an average need for internet connectivity and speeds.
Compared to the rest of the country, Petersburg households are about average when it comes to technological engagement. 94% of households have some sort of computing device, 79% have desktops or laptops in the home, and 91% have smartphones. To see what speeds you are currently getting, please visit our internet speed test tool.
Which Fiber Internet Providers are Available in Petersburg?
CASSCOMM Fiber in Petersburg, IL
CASSCOMM offers Fiber service to 86.9% of Petersburg homes. Across the city, CASSCOMM Fiber has speeds up to 1,000 Mbps
Which Cable Internet Providers are Available in Petersburg?
According to the most recently submitted data by internet service providers to the FCC, there are currently no cable providers available in Petersburg, IL.
Which DSL Internet Providers are Available in Petersburg?
EarthLink DSL in Petersburg, IL
EarthLink offers DSL service to 68.3% of Petersburg homes. Across the city, EarthLink DSL has speeds up to 10 Mbps
AT&T DSL in Petersburg, IL
AT&T offers DSL service to 68.3% of Petersburg homes. Across the city, AT&T DSL has speeds up to 10 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in Petersburg?
Rise Broadband Fixed Wireless in Petersburg, IL
Rise Broadband offers Fixed Wireless service to 97.9% of Petersburg homes. Across the city, Rise Broadband Fixed Wireless is the only type of service available from the company, with speeds up to 37 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 5.0 and as high as 20, with an average of 7.5 Mbps throughout the city.
T-Mobile Home Internet Fixed Wireless in Petersburg, IL
T-Mobile Home Internet offers Fixed Wireless service to 95.8% of Petersburg homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 52 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 9.2 Mbps throughout the city.
CASSCOMM Fixed Wireless in Petersburg, IL
CASSCOMM offers Fixed Wireless service to 28.3% of Petersburg homes. Across the city, CASSCOMM Fixed Wireless has speeds up to 26 Mbps, with speeds from 25 Mpbs up to 50 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 5.0, with an average of 3.1 Mbps throughout the city.
EarthLink Fixed Wireless in Petersburg, IL
EarthLink offers Fixed Wireless service to 25.2% of Petersburg homes. Across the city, EarthLink Fixed Wireless has speeds up to 29 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 3.9 Mbps throughout the city.
AT&T Fixed Wireless in Petersburg, IL
AT&T offers Fixed Wireless service to 25.2% of Petersburg homes. Across the city, AT&T Fixed Wireless has speeds up to 29 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 3.9 Mbps throughout the city.
Nextlink Fixed Wireless in Petersburg, IL
Nextlink offers Fixed Wireless service to 23.5% of Petersburg homes. Across the city, Nextlink Fixed Wireless is the only type of service available from the company, with speeds up to 382 Mbps, with speeds from 300 Mpbs up to 1,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 100 and as high as 500, with an average of 144 Mbps throughout the city.
Verizon Fixed Wireless in Petersburg, IL
Verizon offers Fixed Wireless service to 2.4% of Petersburg homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
MR Systems Wireless Fixed Wireless in Petersburg, IL
MR Systems Wireless offers Fixed Wireless service to 1.4% of Petersburg homes. Across the city, MR Systems Wireless Fixed Wireless is the only type of service available from the company, with speeds up to 10 Mbps
Royell Communications Fixed Wireless in Petersburg, IL
Royell Communications offers Fixed Wireless service to 1.3% of Petersburg homes. Across the city, Royell Communications Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
Which ISP Should You Choose in Petersburg?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in Petersburg is CASSCOMM.
- The fastest internet provider should be CASSCOMM. Considering speed for the money and reliability in speeds, CASSCOMM may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Petersburg is CASSCOMM.
- HughesNet, Rise Broadband, and Viasat has the broadest coverage in Petersburg, and is most likely to cover your home. To find out exactly what's available at your home, please use our address search tool.
How does Petersburg compare to other cities with a similar population?
To see how Petersburg stacks up on the national level, it's useful to look at some other cities with similarly sized populations. Below you can see a list of these cities and how they compare to Petersburg's C+ ISP Report Card and 44 / 100 Digital Connectivity Index.
- ISP Report Card: A-
- Digital Connectivity Index: 59 / 100
- ISP Report Card: F
- Digital Connectivity Index: 80 / 100
- ISP Report Card: B
- Digital Connectivity Index: 63 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 21 / 100
- ISP Report Card: C-
- Digital Connectivity Index: 18 / 100
- ISP Report Card: A-
- Digital Connectivity Index: 83 / 100
- ISP Report Card: B
- Digital Connectivity Index: 49 / 100
- ISP Report Card: A+
- Digital Connectivity Index: 86 / 100
- ISP Report Card: B-
- Digital Connectivity Index: 54 / 100
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