In St. Clair there is 1 residential Fiber provider covering 4.85% of the city. The average home can get speeds up to 1,000 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. Clair, MO.
To see availability maps for all providers including fiber, cable, DSL, and more in St. Clair, MO please click below.
St. Clair, MO Availability Maps
Fiber Internet Service Provider in St. Clair
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. Clair are not shown.
St. Clair 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. Clair is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 4.85% of St. Clair. Areas in green have fiber internet service, where areas in yellow or red may not. The most widely available provider is Spectrum. Call one of the companies with service in St. Clair above to see who has service at your home.
How fast is fiber internet in St. Clair?
The map below shows maximum fiber internet speeds by area in St. Clair.

Fiber Internet Speed Key
The average St. Clair home can get up to 1,000 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 1,000 Mbps, which 4.85% of residents can get.
Is fiber the fastest internet I can get in St. Clair?
The fastest internet for you may vary based on where in St. Clair you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for less than 1% of St. Clair homes.
- Cable is fastest for 55.49% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 44.09%.
- Satellite internet may be the only option for less than 1% of St. Clair homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in St. Clair, along with details on where in St. Clair and at what speeds.
Spectrum Fiber in St. Clair, MO

Spectrum fiber coverage
About 4.85%, or 527 people, have Spectrum fiber internet available to them in the city. The company covers the central St. Clair 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. Clair.
Spectrum fiber download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in St. Clair. Versus other fiber providers in the area, Spectrum fiber is the fastest. There are no different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from Spectrum goes up to 1,000 Mbps, and all St. Clair customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum fiber upload speeds
In St. Clair download speeds tend to be faster than than upload speeds for Spectrum fiber. Compared to other ISPs, Spectrum is above average where upload speeds are concerned, and the fastest compared to other St. Clair fiber providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in St. Clair is up to 500 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 500.0 Mbps
St. Clair Fiber by Area
This information is most helpful to those looking for homes or considering moving to St. Clair or any of the areas nearby.
How does fiber internet in St. Clair compare to the rest of Missouri?
Fiber internet speeds in St. Clair are much faster versus the average speeds in Missouri: 0.00 Mbps in Missouri versus 1,000 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in Missouri is 0.00% versus 4.85% in St. Clair.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around St. Clair 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
- Union, MO: more fiber coverage, faster speeds
- Stanton, MO: more fiber coverage, similar speeds
- Robertsville, MO: more fiber coverage, similar speeds
- Grubville, MO: less fiber coverage, similar speeds
- Catawissa, MO: more fiber coverage, similar speeds
- Sullivan, MO: more fiber coverage, similar speeds
- Gray Summit, MO: more fiber coverage, similar speeds
- Lake Tekakwitha, MO: more fiber coverage, similar speeds
- Dittmer, MO: less fiber coverage, similar speeds
- Pacific, MO: more fiber coverage, similar speeds
Cities with Similar Populations
- Bonner Springs, KS: more fiber coverage, faster speeds
- West Point, UT: more fiber coverage, faster speeds
- West Olive, MI: more fiber coverage, faster speeds
- West Haverstraw, NY: more fiber coverage, faster speeds
- Wellford, SC: more fiber coverage, faster speeds
- Brookhaven, PA: more fiber coverage, slower speeds
- Bridgeton, MO: more fiber coverage, faster speeds
- Briarcliff Manor, NY: more fiber coverage, faster speeds
- Breinigsville, PA: more fiber coverage, faster speeds
- Brazoria, TX: more fiber coverage, faster speeds


