Best Internet Providers in Petersburg, IL
All 9 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Petersburg, IL
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.
Ranks compare Petersburg with the 15,682 US towns of 1,000 to 9,999 people, the tiers of our fastest-cities rankings.
The Best Internet in Petersburg, IL at a Glance
Petersburg Internet 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
Providers with less than 1% coverage in this city are excluded from the list. To see if one of these providers is available at your home, please use the address search above.
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 highest-rated internet provider in Petersburg based on 85 Illinois customer reviews, and T-Mobile Home Internet has the highest rating nationwide. The provider information above and the information immediately below can help you decide. Compare provider ratings and review counts above.
Which Providers are Available at my Home in Petersburg?
Coverage changes block by block. Pick a provider and a technology to see where its service reaches: the darker the area, the larger the share of homes it covers. For your exact address, use the address search above.
Coverage map for each provider in Petersburg
- CASSCOMM - fiber coverage map
- Nextlink - fixed wireless coverage map
- Verizon - fixed wireless coverage map
- T-Mobile Home Internet - fixed wireless coverage map
- Rise Broadband - fixed wireless coverage map
- AT&T - fixed wireless coverage map
- EarthLink - fixed wireless coverage map
- CASSCOMM - fixed wireless coverage map
- AT&T - dsl coverage map
- EarthLink - dsl coverage map
- Royell Communications - fixed wireless coverage map
- MR Systems Wireless - fixed wireless coverage map
How Petersburg Compares to Places Its Size
Petersburg's report card score is in the top 29% and its connectivity index is in the top 50%.
| Measure | Petersburg | Rank among US towns of 1,000 to 9,999 people | Menard County | Illinois | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 86.9% | top 40% | 77.6% | 47.6% | 71.5% | 1,056 places at 100.0% |
| Average top speed | 1,792 Mbps | top 41% | 1,964 Mbps | 3,187 Mbps | 3,486 Mbps | Collegedale, TN and Lakesite, TN and 2 more (25,000 Mbps) |
| Providers at a typical address | 6.5 | top 28% | 6.8 | 7.3 | 7.1 | McLendon-Chisholm, TX (14.2) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 2.2 | bottom 17% | 2.3 | 2.6 | 2.7 | St. George, GA (6.2) |
| Workers who work from home | 13% | top 29% | 11% | 16% | 15% | Indian Springs, NV (76%) |
| Homes with a computer, tablet or phone | 95% | top 38% | 95% | 95% | 96% | 515 places at 100% |
| Homes with internet | 92% | top 27% | 90% | 91% | 91% | 115 places at 100% |
| Homes on fiber, cable or DSL | 65% | bottom 47% | 61% | 75% | 76% | Bunkerville, NV and Fort Myer, VA and 3 more (100%) |
| More about the households here | ||||||
| Homes with a desktop or laptop | 78% | top 40% | 78% | 81% | 81% | 12 places at 100% |
| Median household income | $79,373 | top 42% | $83,039 | $95,616 | $93,246 | 16 places at $250,001 |
| Residents in school (6th grade to college) | 11% | bottom 35% | 12% | 16% | 16% | University Park, PA (95%) |
Fiber reaches 86.9% of homes in Petersburg, against 77.6% across Menard County and 47.6% across Illinois. Households in Petersburg are smaller than the US average (2.2 people against 2.7); 13% of workers work from home (US 15%); and the median household income is $79,373 (US $93,246).
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Fiber, 5G, Cable and DSL Internet in Petersburg
Which Fiber Internet Providers are Available in Petersburg?
CASSCOMM Fiber in Petersburg, IL
Availability:
86.9%
Customer Rating:
(4)
Avg. Download Speed
2,000 Mbps
CASSCOMM offers Fiber service to 86.9% of Petersburg homes. Across the city, CASSCOMM Fiber has speeds up to 2,000 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in Petersburg?
Rise Broadband Fixed Wireless in Petersburg, IL
Availability:
98.0%
Customer Rating:
(15)
Avg. Download Speed
30 Mbps
Rise Broadband offers Fixed Wireless service to 98.0% of Petersburg homes. Across the city, Rise Broadband Fixed Wireless is the only type of service available from the company, with speeds up to 30 Mbps, with speeds from 25 Mpbs up to 50 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 5.0 and as high as 10, with an average of 6.0 Mbps throughout the city.
T-Mobile Home Internet Fixed Wireless in Petersburg, IL
Availability:
96.0%
Customer Rating:
(342)
Avg. Download Speed
52 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 96.0% 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 9.1 Mbps throughout the city.
EarthLink Fixed Wireless in Petersburg, IL
Availability:
66.1%
Customer Rating:
(4)
Avg. Download Speed
36 Mbps
EarthLink offers Fixed Wireless service to 66.1% of Petersburg homes. Across the city, EarthLink Fixed Wireless has speeds up to 36 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 5.4 Mbps throughout the city.
AT&T Fixed Wireless in Petersburg, IL
Availability:
66.1%
Customer Rating:
(205)
Avg. Download Speed
36 Mbps
AT&T offers Fixed Wireless service to 66.1% of Petersburg homes. Across the city, AT&T Fixed Wireless has speeds up to 36 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 5.4 Mbps throughout the city.
Verizon Fixed Wireless in Petersburg, IL
Availability:
46.7%
Customer Rating:
(362)
Avg. Download Speed
178 Mbps
Verizon offers Fixed Wireless service to 46.7% of Petersburg homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 178 Mbps, with speeds from 25 Mpbs up to 300 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 6.0 and as high as 20, with an average of 14 Mbps throughout the city.
CASSCOMM Fixed Wireless in Petersburg, IL
Availability:
28.3%
Customer Rating:
(0)
Avg. Download Speed
26 Mbps
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.
Nextlink Fixed Wireless in Petersburg, IL
Availability:
23.5%
Customer Rating:
(14)
Avg. Download Speed
382 Mbps
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.
MR Systems Wireless Fixed Wireless in Petersburg, IL
Availability:
1.4%
Customer Rating:
(1)
Avg. Download Speed
10 Mbps
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
Availability:
1.3%
Customer Rating:
(0)
Avg. Download Speed
25 Mbps
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 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
Availability:
68.3%
Customer Rating:
(5)
Avg. Download Speed
10 Mbps
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
Availability:
68.3%
Customer Rating:
(304)
Avg. Download Speed
10 Mbps
AT&T offers DSL service to 68.3% of Petersburg homes. Across the city, AT&T DSL has speeds up to 10 Mbps
Internet in Petersburg by Neighborhood and ZIP Code
Petersburg has 1 ZIP code with its own page. Each row links to that place’s page.
Neighborhoods in Petersburg
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
ZIP codes in Petersburg
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| 62675 | 5,937 | 80.4% | 1,695 Mbps | 6.5 | B- | 45/100 |
How Petersburg Compares to Nearby Places
The 10 places nearest to Petersburg that have their own pages are all within 10 miles. Among them, Athens has the most homes with fiber (87.0%) and Greenview the fewest (64.2%); Petersburg has 86.9%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Petersburg (this page) | 5,243 | 86.9% | 1,792 Mbps | 6.5 | B | 48/100 |
| Athens | 3,583 | 87.0% | 1,706 Mbps | 8.1 | B | 46/100 |
| Greenview | 1,164 | 64.2% | 5,346 Mbps | 7.1 | B | 33/100 |
| Cantrall | 842 | 38.8% | 692 Mbps | 6.3 | C | 53/100 |
| Salisbury | 772 | 0.0% | 491 Mbps | 6.7 | D+ | 31/100 |
| Tallula | 711 | 80.6% | 1,591 Mbps | 5.9 | B- | 46/100 |
| Oakford | 571 | 52.7% | 1,266 Mbps | 2.8 | C- | 32/100 |
| Tice | 292 | 71.9% | 1,486 Mbps | 6.9 | B- | 35/100 |
| Sweet Water | 247 | 0.0% | 67 Mbps | 3.2 | F | 31/100 |
| Richland | 148 | 68.2% | 1,460 Mbps | 7.8 | B- | 48/100 |
| Newmansville | 120 | 52.5% | 103 Mbps | 2.3 | D | 45/100 |
Who is the Fastest Internet Provider in Petersburg?
Based on both FCC data and unbiased customer ratings, the fastest internet in the city comes from CASSCOMM.
Data Reported to FCC by ISPs: Average Maximum Available in Petersburg
| CASSCOMM | 2,000 |
|---|---|
| Nextlink | 1,000 |
| Verizon | 300 |
| Viasat | 100 |
| T-Mobile Home Internet | 100 |
| AT&T | 100 |
| EarthLink | 100 |
| Rise Broadband | 50 |
| HughesNet | 25 |
| Royell Communications | 25 |
| MR Systems Wireless | 10 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in Petersburg. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Petersburg Internet Providers
Based on 85 reviews from Illinois internet customers, CASSCOMM is the best internet service provider for Petersburg residents. CASSCOMM was rated at an average of 4.80 out of 5 in our report for overall customer satisfaction. T-Mobile Home Internet wins for second-place in Illinois, with 3.94 out of 5 stars and 96.0% coverage in Petersburg.
At a national level, based on 2267 national reviews for any of the providers listed above, T-Mobile Home Internet is rated higher than any other provider, with a rating of 4.02 out of 5.
Local, State, and National Ratings for all Petersburg Internet Providers
The table below shows average customer ratings from customers in Petersburg, Illinois, and customers throughout the country.
| ISP / Tech Type | Petersburg Overall | Illinois Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| CASSCOMM | (0) | (5) | (5) | View Plans | ||
| T-Mobile Home Internet | (0) | (18) | (342) | View Plans | ||
| Verizon | (0) | (9) | (816) | View Plans | ||
| Rise Broadband | (0) | (1) | (18) | View Plans | ||
| AT&T | (0) | (51) | (1051) | View Plans | ||
| MR Systems Wireless | (0) | (1) | (1) | View Plans | ||
| Viasat | (0) |  (1) |  (12) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| Nextlink | (0) | (0) | (19) | View Plans | ||
| HughesNet | (0) | (0) |  (25) | View Plans | ||
| Royell Communications | (0) | (0) | (0) | View Plans |
Customer Ratings for Internet Provider Speeds in Petersburg
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 2,000 Mbps in Petersburg. Therefore, the average customer can get up to 1,879 Mbps if they’re willing to purchase the fastest subscription tier available at their homes.
Additionally, actual customers 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.
| ISP / Tech Type | Petersburg Speed | Illinois Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| CASSCOMM | (0) |  (5) | (5) | View Plans | ||
| T-Mobile Home Internet | (0) | (18) | (342) | View Plans | ||
| Verizon | (0) | (9) | (816) | View Plans | ||
| Rise Broadband | (0) | (1) | (18) | View Plans | ||
| AT&T | (0) | (51) | (1051) | View Plans | ||
| MR Systems Wireless | (0) | (1) | (1) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| Nextlink | (0) | (0) | (19) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans | ||
| Royell Communications | (0) | (0) | (0) | View Plans |
Who is the Cheapest Internet Provider in Petersburg?
Of the providers in Petersburg, customers rate Verizon the best for price. Data comes from customers rating their satisfaction with pricing: in Petersburg where enough of them have reviewed a provider, otherwise across Illinois or the country. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
Verizon is rated 4.00 out of 5 for price, which is higher than the average across all internet providers in the country. CASSCOMM is rated second for affordability, with an average price rating of 4.20 out of 5.
The table below shows 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) | (5) | (5) | View Plans | ||
| Verizon | (0) | (9) | (816) | View Plans | ||
| T-Mobile Home Internet | (0) | (18) | (342) | View Plans | ||
| AT&T | (0) | (51) | (1051) | View Plans | ||
| MR Systems Wireless | (0) | (1) | (1) | View Plans | ||
| Rise Broadband | (0) | (1) | (18) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| Nextlink | (0) | (0) | (19) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans | ||
| Royell Communications | (0) | (0) | (0) | View Plans |
Customer Reviews for Internet Service Providers in Illinois
Customer Reviews
ISPReports User
Pavlov Media Fiber
November 13, 2026 Carol
McDonough Telephone Cooperative Fiber
October 26, 2026 Fast, friendly service. Appreciate being able to get quick help by calling. Actually get a person on the phone
ISPReports User
McDonough Telephone Cooperative Fiber
October 09, 2026 61438
McDonough Telephone Cooperative Fiber
October 08, 2026 MTC has been a great internet for my family. Rather it be gaming system speed, or just watching tv in multiple rooms, The internet seems to run smoothly. I very seldom have internet interruption. When we do it is usually due to storm taking out a pole, or upgrading the system. It usually has been a short time when it does happen.
ISPReports User
MTC Technologies Fiber
October 08, 2026 Rate your provider
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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 Verizon.
- Viasat, Rise Broadband, and HughesNet has the broadest coverage in Petersburg, available to 98.0% of homes, and is most likely to cover your home. To find out exactly what’s available at your home, please use our address search tool.