In St. Louis County there are 4 residential Fiber providers covering 79.73% of the county. The average home can get speeds up to 4,850 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 St. Louis County, MO.
To see availability maps for all providers including fiber, cable, DSL, and more in St. Louis County, MO please click below.
St. Louis County, MO Availability Maps
Fiber Internet Service Providers in St. Louis County
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 St. Louis County are not shown.
St. Louis County 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 St. Louis County is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 79.73% of St. Louis County. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in St. Louis County above to see who has service at your home.
How fast is fiber internet in St. Louis County?
The map below shows maximum fiber internet speeds by area in St. Louis County.
Fiber Internet Speed Key
The average St. Louis County home can get up to 4,850 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 8,000 Mbps, which 10.30% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 10.71% 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 St. Louis County.
Fiber internet speeds tend to be faster in the northwest parts of St. Louis County, and slower in the east areas of the county.
Is fiber the fastest internet I can get in St. Louis County?
The fastest internet for you may vary based on where in St. Louis County you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 79.73% of St. Louis County homes.
- Cable is fastest for 19.02% of the county.
- 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 St. Louis County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in St. Louis County, along with details on where in St. Louis County and at what speeds.
EarthLink Fiber in St. Louis County, MO
EarthLink fiber coverage
About 76.79%, or 771,037 people, have EarthLink fiber internet available to them in the county. The company covers the entire St. Louis County area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of St. Louis County.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in St. Louis County. Versus other fiber providers in the area, EarthLink fiber is above average. There are 2 different maximum speeds throughout St. Louis County. The fastest plan anyone in St. Louis County can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for St. Louis County customers is up to 4,449 Mbps.
Show all download speeds
- 86.2% up to 5,000.0 Mbps
- 13.8% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In St. Louis County 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 above average compared to other St. Louis County fiber providers. EarthLink offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Louis County 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 4,449 Mbps.
Show all upload speeds
- 86.2% up to 5,000.0 Mbps
- 13.8% up to 1,000.0 Mbps
AT&T Fiber in St. Louis County, MO
AT&T fiber coverage
About 76.79%, or 771,037 people, have AT&T fiber internet available to them in the county. The company covers the entire St. Louis County area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of St. Louis County.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in St. Louis County. Versus other fiber providers in the area, AT&T fiber is above average. There are 2 different maximum speeds throughout St. Louis County. The fastest plan anyone in St. Louis County can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the county-wide average maximum speed for St. Louis County customers is up to 4,449 Mbps.
Show all download speeds
- 86.2% up to 5,000.0 Mbps
- 13.8% up to 1,000.0 Mbps
AT&T fiber upload speeds
In St. Louis County 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 above average compared to other St. Louis County fiber providers. AT&T offers 2 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Louis County 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 4,449 Mbps.
Show all upload speeds
- 86.2% up to 5,000.0 Mbps
- 13.8% up to 1,000.0 Mbps
i3 Broadband Fiber in St. Louis County, MO
i3 Broadband fiber coverage
About 10.30%, or 103,442 people, have i3 Broadband fiber internet available to them in the county. The company covers the west, south, southwest, northwest, central, and north St. Louis County area. i3 Broadband is a large internet service provider internet service providers in the US, with internet service available in a very small piece of St. Louis County.
i3 Broadband fiber download speeds
i3 Broadband is the fastest when comparing download speeds to all other internet providers in St. Louis County. Versus other fiber providers in the area, i3 Broadband fiber is the fastest. There are no different maximum speeds throughout St. Louis County. The fastest plan anyone in St. Louis County can order from i3 Broadband goes up to 8,000 Mbps, and all St. Louis County customers can get this speed.
Show all download speeds
- 100.0% up to 8,000.0 Mbps
i3 Broadband fiber upload speeds
In St. Louis County 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 St. Louis County fiber providers. i3 Broadband offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in St. Louis County is up to 8,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 8,000.0 Mbps
Spectrum Fiber in St. Louis County, MO
Spectrum fiber coverage
About 1.58%, or 15,820 people, have Spectrum fiber internet available to them in the county. The company covers the entire St. Louis County area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of St. Louis County.
Spectrum fiber download speeds
Spectrum is below average when comparing download speeds to all other internet providers in St. Louis County. Versus other fiber providers in the area, Spectrum fiber is one of the slowest. There are no different maximum speeds throughout St. Louis County. The fastest plan anyone in St. Louis County can order from Spectrum goes up to 1,000 Mbps, and all St. Louis County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In St. Louis County download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and below average compared to other St. Louis County fiber providers. Spectrum offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in St. Louis County is up to 1,000 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, Spectrum customers can get speeds up to 982 Mbps.
Show all upload speeds
- 97.4% up to 1,000.0 Mbps
- 1.6% up to 500.0 Mbps
- 1.1% up to 35.0 Mbps
St. Louis County Fiber by Area
This information is most helpful to those looking for homes or considering moving to St. Louis County or any of the areas nearby.
How does fiber internet in St. Louis County compare to the rest of Missouri?
Fiber internet speeds in St. Louis County are much faster versus the average speeds in Missouri: 0.00 Mbps in Missouri versus 4,850 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in Missouri is 0.00% versus 79.73% in St. Louis County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around St. Louis County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- St. Louis City, MO: less fiber coverage, faster speeds
- St. Charles County, MO: more fiber coverage, slower speeds
- St. Clair County, IL: less fiber coverage, faster speeds
- Warren County, MO: more fiber coverage, slower speeds
- Clinton County, IL: more fiber coverage, faster speeds
- Marion County, IL: less fiber coverage, slower speeds
- Callaway County, MO: more fiber coverage, slower speeds
- Cole County, MO: less fiber coverage, slower speeds
- Clay County, IL: more fiber coverage, faster speeds
- Moniteau County, MO: more fiber coverage, slower speeds
Counties with Similar Populations
- Jefferson County, KY: more fiber coverage, slower speeds
- Essex County, NJ: more fiber coverage, faster speeds
- Essex County, MA: less fiber coverage, slower speeds
- Alameda County, CA: less fiber coverage, faster speeds
- Denton County, TX: more fiber coverage, faster speeds
- Erie County, NY: less fiber coverage, slower speeds
- Franklin County, OH: less fiber coverage, slower speeds
- El Paso County, TX: less fiber coverage, slower speeds
- Collin County, TX: more fiber coverage, faster speeds
- Cuyahoga County, OH: less fiber coverage, slower speeds