In Caseyville there are 3 residential Fiber providers covering 61.14% of the city. The average home can get speeds up to 6,353 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.
This page contains all Fiber internet providers in Caseyville, IL.
To see availability maps for all providers including fiber, cable, DSL, and more in Caseyville, IL please click below.
Caseyville, IL Availability Maps
Fiber Internet Service Providers in Caseyville
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 Caseyville are not shown.
Caseyville 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
Where in Caseyville is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 61.14% of Caseyville. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is i3 Broadband. Call one of the companies with service in Caseyville above to see who has service at your home.
How fast is fiber internet in Caseyville?
The map below shows maximum fiber internet speeds by area in Caseyville.
Fiber Internet Speed Key
The average Caseyville home can get up to 6,353 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 8,000 Mbps, which 40.75% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 9.87% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Caseyville.
Fiber internet speeds tend to be faster in the west parts of Caseyville, and slower in the southeast areas of the city.
Is fiber the fastest internet I can get in Caseyville?
The fastest internet for you may vary based on where in Caseyville you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 61.14% of Caseyville homes.
- Cable is fastest for 37.59% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Caseyville homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Caseyville, along with details on where in Caseyville and at what speeds.
i3 Broadband Fiber in Caseyville, IL
i3 Broadband fiber coverage
About 40.75%, or 3,574 people, have i3 Broadband fiber internet available to them in the city. The company covers the central, west, southwest, northwest, north, and south Caseyville area. i3 Broadband is a large internet service provider internet service providers in the US, with internet service available in some of Caseyville.
i3 Broadband fiber download speeds
i3 Broadband is the fastest when comparing download speeds to all other internet providers in Caseyville. Versus other fiber providers in the area, i3 Broadband fiber is the fastest. There are no different maximum speeds throughout Caseyville. The fastest plan anyone in Caseyville can order from i3 Broadband goes up to 8,000 Mbps, and all Caseyville customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
i3 Broadband fiber upload speeds
In Caseyville download speeds tend to be equal to than upload speeds for i3 Broadband fiber. Compared to other ISPs, i3 Broadband is the fastest where upload speeds are concerned, and the fastest compared to other Caseyville fiber providers. i3 Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Caseyville is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
EarthLink Fiber in Caseyville, IL
EarthLink fiber coverage
About 34.45%, or 3,022 people, have EarthLink fiber internet available to them in the city. The company covers the entire Caseyville 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 Caseyville.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in Caseyville. Versus other fiber providers in the area, EarthLink fiber is one of the slowest. There are 2 different maximum speeds throughout Caseyville. The fastest plan anyone in Caseyville can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Caseyville customers is up to 2,222 Mbps.
Show all download speeds
- 30.5% up to 5,000.0 Mbps
- 69.5% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Caseyville download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and one of the slowest compared to other Caseyville fiber 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 Caseyville is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 2,222 Mbps.
Show all upload speeds
- 30.5% up to 5,000.0 Mbps
- 69.5% up to 1,000.0 Mbps
AT&T Fiber in Caseyville, IL
AT&T fiber coverage
About 34.45%, or 3,022 people, have AT&T fiber internet available to them in the city. The company covers the entire Caseyville 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 Caseyville.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in Caseyville. Versus other fiber providers in the area, AT&T fiber is one of the slowest. There are 2 different maximum speeds throughout Caseyville. The fastest plan anyone in Caseyville can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Caseyville customers is up to 2,222 Mbps.
Show all download speeds
- 30.5% up to 5,000.0 Mbps
- 69.5% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Caseyville download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and one of the slowest compared to other Caseyville fiber 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 Caseyville is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 2,222 Mbps.
Show all upload speeds
- 30.5% up to 5,000.0 Mbps
- 69.5% up to 1,000.0 Mbps
Caseyville Fiber by Area
This information is most helpful to those looking for homes or considering moving to Caseyville or any of the areas nearby.
How does fiber internet in Caseyville compare to the rest of Illinois?
Fiber internet speeds in Caseyville are much faster versus the average speeds in Illinois: 0.00 Mbps in Illinois versus 6,353 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Illinois is 0.00% versus 61.14% in Caseyville.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Caseyville are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber internet 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
- State Park Place, IL: more fiber coverage, faster speeds
- Fairview Heights, IL: more fiber coverage, faster speeds
- Collinsville, IL: more fiber coverage, slower speeds
- Meadow Heights, IL: less fiber coverage, faster speeds
- Lumaghi Heights, IL: more fiber coverage, faster speeds
- Fairmont City, IL: less fiber coverage, faster speeds
- O'Fallon, IL: less fiber coverage, slower speeds
- Swansea, IL: less fiber coverage, slower speeds
- East St. Louis, IL: less fiber coverage, slower speeds
- Centreville, IL: less fiber coverage, slower speeds
Cities with Similar Populations
- Bristol, IN: more fiber coverage, slower speeds
- Topsham, ME: more fiber coverage, slower speeds
- Irvine, KY: more fiber coverage, slower speeds
- Capistrano Beach, CA: less fiber coverage, slower speeds
- Tunkhannock, PA: more fiber coverage, slower speeds
- Tunnel Hill, GA: more fiber coverage, faster speeds
- Valley Park, MO: more fiber coverage, slower speeds
- Bumpass, VA: more fiber coverage, slower speeds
- Vandergrift, PA: less fiber coverage, slower speeds
- Veneta, OR: more fiber coverage, slower speeds