Best Internet Providers in O'Fallon, IL
All 8 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in O'Fallon, IL
O'Fallon has 8 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in O'Fallon.
Ranks compare O'Fallon with the 1,383 US suburban and regional cities (25,000 to 49,999 people), the tiers of our fastest-cities rankings.
The Best Internet in O'Fallon, IL at a Glance
O'Fallon Internet Providers, Ranked by Coverage, Speed and Customer Ratings
Spectrum
Connection
Customer Rating
Fiber
Cable
EarthLink
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
AT&T
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
i3 Broadband
Connection
Customer Rating
Fiber
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 O'Fallon ratings may vary and are shown below.
Who is the Best Internet Provider in O'Fallon, IL?
i3 Broadband is the highest-rated internet provider in O'Fallon based on 119 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 O'Fallon?
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 O'Fallon
- i3 Broadband - fiber coverage map
- Spectrum - cable coverage map
- Sparklight - fiber coverage map
- AT&T - fiber coverage map
- EarthLink - fiber coverage map
- Verizon - fixed wireless coverage map
- Spectrum - fiber coverage map
- AT&T - dsl coverage map
- EarthLink - dsl coverage map
- T-Mobile Home Internet - fixed wireless coverage map
- Wisper Internet - fixed wireless coverage map
- AT&T - fixed wireless coverage map
- EarthLink - fixed wireless coverage map
How O'Fallon Compares to Places Its Size
O'Fallon's report card score is in the bottom 40% and its connectivity index is in the top 26%.
| Measure | O'Fallon | Rank among US suburban and regional cities (25,000 to 49,999 people) | St. Clair County | Illinois | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 53.7% | bottom 23% | 49.1% | 47.6% | 71.5% | 25 places at 100.0% |
| Average top speed | 3,387 Mbps | top 47% | 3,422 Mbps | 3,187 Mbps | 3,486 Mbps | Hixson, TN (25,000 Mbps) |
| Providers at a typical address | 8 | top 30% | 7.2 | 7.3 | 7.1 | San Lorenzo, CA (13) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 2.6 | top 46% | 2.6 | 2.6 | 2.7 | Kiryas Joel, NY (5.1) |
| Workers who work from home | 19% | top 27% | 13% | 16% | 15% | Venice, CA (47%) |
| Homes with a computer, tablet or phone | 97% | top 32% | 95% | 95% | 96% | 16 places at 100% |
| Homes with internet | 95% | top 24% | 91% | 91% | 91% | 13 places at 99% |
| Homes on fiber, cable or DSL | 84% | top 28% | 73% | 75% | 76% | Burke, VA and Colleyville, TX and 3 more (94%) |
| More about the households here | ||||||
| Homes with a desktop or laptop | 89% | top 24% | 78% | 81% | 81% | University Park, TX (99%) |
| Median household income | $121,203 | top 25% | $86,744 | $95,616 | $93,246 | Scarsdale, NY ($244,191) |
| Residents in school (6th grade to college) | 17% | top 22% | 16% | 16% | 16% | Rexburg, ID (71%) |
Fiber reaches 53.7% of homes in O'Fallon, against 49.1% across St. Clair County and 47.6% across Illinois. Households in O'Fallon are smaller than the US average (2.6 people against 2.7); 19% of workers work from home (US 15%); and the median household income is $121,203 (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 O'Fallon
Which Fiber Internet Providers are Available in O'Fallon?
i3 Broadband Fiber in O'Fallon, IL
Availability:
31.4%
Customer Rating:
(27)
Avg. Download Speed
8,000 Mbps
i3 Broadband offers Fiber service to 31.4% of O'Fallon homes. Across the city, i3 Broadband Fiber is the only type of service available from the company, with speeds up to 8,000 Mbps
EarthLink Fiber in O'Fallon, IL
Availability:
21.5%
Customer Rating:
(6)
Avg. Download Speed
1,660 Mbps
EarthLink offers Fiber service to 21.5% of O'Fallon homes. Across the city, EarthLink Fiber has speeds up to 1,660 Mbps, with speeds from 1,000 Mpbs up to 5,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for EarthLink Fiber. EarthLink Fiber is rated about the same as other types of internet service available in O'Fallon from EarthLink in terms of customer satisfaction.
AT&T Fiber in O'Fallon, IL
Availability:
21.5%
Customer Rating:
(542)
Avg. Download Speed
1,660 Mbps
AT&T offers Fiber service to 21.5% of O'Fallon homes. Across the city, AT&T Fiber has speeds up to 1,660 Mbps, with speeds from 1,000 Mpbs up to 5,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for AT&T Fiber. AT&T Fiber is rated lower than other types of internet service available in O'Fallon from AT&T in terms of customer satisfaction.
Sparklight Fiber in O'Fallon, IL
Availability:
10.9%
Customer Rating:
(23)
Avg. Download Speed
7,000 Mbps
Sparklight offers Fiber service to 10.9% of O'Fallon homes. Across the city, Sparklight Fiber is the only type of service available from the company, with speeds up to 7,000 Mbps
Spectrum Fiber in O'Fallon, IL
Availability:
9.1%
Customer Rating:
(207)
Avg. Download Speed
1,000 Mbps
Spectrum offers Fiber service to 9.1% of O'Fallon homes. Across the city, Spectrum Fiber has speeds up to 1,000 Mbps
Which Fixed Wireless and LTE Internet Providers are Available in O'Fallon?
T-Mobile Home Internet Fixed Wireless in O'Fallon, IL
Availability:
98.9%
Customer Rating:
(342)
Avg. Download Speed
60 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 98.9% of O'Fallon homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 60 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 11 Mbps throughout the city.
Verizon Fixed Wireless in O'Fallon, IL
Availability:
85.2%
Customer Rating:
(362)
Avg. Download Speed
214 Mbps
Verizon offers Fixed Wireless service to 85.2% of O'Fallon homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 214 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 16 Mbps throughout the city.
EarthLink Fixed Wireless in O'Fallon, IL
Availability:
82.4%
Customer Rating:
(4)
Avg. Download Speed
35 Mbps
EarthLink offers Fixed Wireless service to 82.4% of O'Fallon homes. Across the city, EarthLink Fixed Wireless has speeds up to 35 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 5.3 Mbps throughout the city.
AT&T Fixed Wireless in O'Fallon, IL
Availability:
82.4%
Customer Rating:
(205)
Avg. Download Speed
35 Mbps
AT&T offers Fixed Wireless service to 82.4% of O'Fallon homes. Across the city, AT&T Fixed Wireless has speeds up to 35 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 5.3 Mbps throughout the city.
Wisper Internet Fixed Wireless in O'Fallon, IL
Availability:
75.4%
Customer Rating:
(2)
Avg. Download Speed
77 Mbps
Wisper Internet offers Fixed Wireless service to 75.4% of O'Fallon homes. Across the city, Wisper Internet Fixed Wireless is the only type of service available from the company, with speeds up to 77 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 15 Mbps throughout the city.
Which Cable Internet Providers are Available in O'Fallon?
Spectrum Cable in O'Fallon, IL
Availability:
98.0%
Customer Rating:
(1739)
Avg. Download Speed
1,000 Mbps
Spectrum offers Cable service to 98.0% of O'Fallon homes. Across the city, Spectrum Cable has speeds up to 1,000 Mbps
Which DSL Internet Providers are Available in O'Fallon?
EarthLink DSL in O'Fallon, IL
Availability:
88.7%
Customer Rating:
(5)
Avg. Download Speed
76 Mbps
EarthLink offers DSL service to 88.7% of O'Fallon homes. Across the city, EarthLink DSL has speeds up to 76 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 16 Mbps throughout the city. EarthLink DSL is rated higher than other types of internet service available in O'Fallon from EarthLink in terms of customer satisfaction.
AT&T DSL in O'Fallon, IL
Availability:
88.7%
Customer Rating:
(304)
Avg. Download Speed
76 Mbps
AT&T offers DSL service to 88.7% of O'Fallon homes. Across the city, AT&T DSL has speeds up to 76 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 16 Mbps throughout the city. AT&T DSL is rated about the same as other types of internet service available in O'Fallon from AT&T in terms of customer satisfaction.
Internet in O'Fallon by Neighborhood and ZIP Code
O'Fallon has 1 ZIP code with its own page. Each row links to that place’s page.
Neighborhoods in O'Fallon
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
ZIP codes in O'Fallon
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| 62269 | 35,233 | 49.8% | 3,238 Mbps | 7.9 | B | 82/100 |
How O'Fallon Compares to Nearby Places
The 10 places nearest to O'Fallon that have their own pages are all within 7 miles. Among them, Fairview Heights has the most homes with fiber (85.2%) and Scott AFB the fewest (0.0%); O'Fallon has 53.7%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| O'Fallon (this page) | 31,116 | 53.7% | 3,387 Mbps | 8 | B | 82/100 |
| Belleville | 64,104 | 62.2% | 4,116 Mbps | 7.4 | B | 57/100 |
| Collinsville | 29,554 | 72.4% | 4,332 Mbps | 8.7 | B+ | 67/100 |
| Fairview Heights | 16,716 | 85.2% | 5,847 Mbps | 8.6 | A- | 56/100 |
| Shiloh | 16,113 | 77.0% | 6,313 Mbps | 8.4 | B+ | 71/100 |
| Swansea | 15,407 | 61.5% | 4,551 Mbps | 7.9 | B | 69/100 |
| Caseyville | 8,771 | 70.0% | 4,836 Mbps | 7.7 | B+ | 62/100 |
| Lebanon | 7,597 | 8.2% | 1,250 Mbps | 7.2 | C+ | 68/100 |
| Scott AFB | 3,699 | 0.0% | 1,000 Mbps | 2 | D- | 90/100 |
| Scott Air Force Base | 1,490 | 9.3% | 1,538 Mbps | 4.8 | C- | 85/100 |
| Lumaghi Heights | 287 | 0.0% | 828 Mbps | 6.5 | D+ | 78/100 |
Who is the Fastest Internet Provider in O'Fallon?
Based on both FCC data and unbiased customer ratings, the fastest internet in the city comes from i3 Broadband.
Data Reported to FCC by ISPs: Average Maximum Available in O'Fallon
| i3 Broadband | 8,000 |
|---|---|
| Sparklight | 7,000 |
| AT&T | 5,000 |
| EarthLink | 5,000 |
| Spectrum | 1,000 |
| Verizon | 300 |
| Viasat | 100 |
| T-Mobile Home Internet | 100 |
| Wisper Internet | 100 |
| HughesNet | 25 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in O'Fallon. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for O'Fallon Internet Providers
Based on 119 reviews from Illinois internet customers, i3 Broadband is the best internet service provider for O'Fallon residents. i3 Broadband was rated at an average of 4.16 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 98.9% coverage in O'Fallon.
At a national level, based on 4287 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 O'Fallon Internet Providers
The table below shows average customer ratings from customers in O'Fallon, Illinois, and customers throughout the country.
| ISP / Tech Type | O'Fallon Overall | Illinois Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| i3 Broadband |  (0) | (19) | (29) | View Plans | ||
| T-Mobile Home Internet | (0) | (18) | (342) | View Plans | ||
| Verizon | (0) | (9) | (816) | View Plans | ||
| AT&T | (0) | (51) | (1051) | View Plans | ||
| Sparklight | (0) | (6) | (82) | View Plans | ||
| Wisper Internet | (0) |  (1) | (3) | View Plans | ||
| Viasat | (0) |  (1) |  (12) | View Plans | ||
| Spectrum | (0) | (15) | (1949) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| HughesNet | (0) | (0) |  (25) | View Plans |
Customer Ratings for Internet Provider Speeds in O'Fallon
Based on data reported by O'Fallon ISPs to the FCC, the fastest speeds in the city are available through i3 Broadband. The company offers speeds up to 8,000 Mbps in O'Fallon. Therefore, the average customer can get up to 8,000 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 i3 Broadband. This indicates i3 Broadband reliably delivers speeds expected by the customer based on the plan they are paying for.
| ISP / Tech Type | O'Fallon Speed | Illinois Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| i3 Broadband | (0) |  (19) | (29) | View Plans | ||
| T-Mobile Home Internet | (0) | (18) | (342) | View Plans | ||
| Verizon | (0) | (9) | (816) | View Plans | ||
| Sparklight | (0) | (6) | (82) | View Plans | ||
| Spectrum | (0) | (15) | (1949) | View Plans | ||
| AT&T | (0) | (51) | (1051) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| Wisper Internet | (0) | (1) | (3) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| HughesNet | (0) | (0) | (25) | View Plans |
Who is the Cheapest Internet Provider in O'Fallon?
Of the providers in O'Fallon, customers rate i3 Broadband the best for price. Data comes from customers rating their satisfaction with pricing: in O'Fallon 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.
i3 Broadband is rated 4.05 out of 5 for price, which is higher than the average across all internet providers in the country. Verizon is rated second for affordability, with an average price rating of 4.00 out of 5.
The table below shows how customers in O'Fallon, Illinois, and the United States rated the affordability of their internet service.
Rated Affordability in O'Fallon
| ISP / Tech Type | O'Fallon Affordability | Illinois Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| i3 Broadband | (0) | (19) | (29) | View Plans | ||
| Verizon | (0) | (9) | (816) | View Plans | ||
| T-Mobile Home Internet | (0) | (18) | (342) | View Plans | ||
| AT&T | (0) | (51) | (1051) | View Plans | ||
| Wisper Internet | (0) | (1) | (3) | View Plans | ||
| Sparklight | (0) | (6) | (82) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| Spectrum | (0) | (15) | (1949) | View Plans | ||
| EarthLink | (0) | (0) | (15) | View Plans | ||
| HughesNet | (0) | (0) | (25) | 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 O'Fallon?
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 O'Fallon is i3 Broadband.
- The fastest internet provider should be i3 Broadband. Considering speed for the money and reliability in speeds, i3 Broadband may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in O'Fallon is i3 Broadband.
- Viasat, HughesNet, EarthLink, and AT&T has the broadest coverage in O'Fallon, available to 99.2% 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.