In St. Clair there are 11 residential internet providers covering 99.59% of the city. The average home can get speeds up to 725 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.
Jump to Availability Maps
11 Internet Service Providers 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
Availability maps for all providers in St. Clair
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
Please note some providers will take longer to load than others
Internet service is available in 99.59% of St. Clair. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is Spectrum. Now you can call companies in St. Clair with more confidence that they might be available.
How fast are internet speeds in St. Clair?
The map below shows maximum internet speeds by area in St. Clair.
Internet Speed Key
The average St. Clair home can get up to 725 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,000 Mbps, which 55.49% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.02% of homes can only purchase plans up to 100 Mbps. See the internet provider details below for info about their speed and coverage in St. Clair.
Internet speeds tend to be faster in the central parts of St. Clair, and slower in the west areas of the city.
What type of internet should I choose in St. Clair?
The fastest internet for you may vary based on where in St. Clair you live. If speed is your main concern, cable will be the fastest internet 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.
Internet Market Health in St. Clair
Internet Competition Key
The map shows how competitive the St. Clair internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in St. Clair based on what connections the average home has availabile:
- Average number of internet service providers to a home: 7.1 (very healthy)
- Average types of service (fiber, cable, DSL, etc): 2.3 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 5.7 (very healthy)
Overall, competition is healthy.
St. Clair internet customers have the ability to buy internet service from 2 to 11 different providers, depending on where they live. For different types of service, St. Clair homes have between 1 and 4 options. The type(s) of service available are fixed wireless, dsl, cable, and fiber, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. St. Clair internet customers who want faster speeds have between 1 and 9 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, St. Clair is doing better than most.
TV & Internet 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.
AT&T DSL in St. Clair, MO
AT&T DSL coverage
About 64.71%, or 7,029 people, have AT&T DSL internet available to them in the city. The company covers the entire St. Clair area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of St. Clair.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in St. Clair. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are no different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from AT&T goes up to 10 Mbps, and all St. Clair customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In St. Clair download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the slowest compared to other St. Clair DSL providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in St. Clair is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
EarthLink DSL in St. Clair, MO
EarthLink DSL coverage
About 64.71%, or 7,029 people, have EarthLink DSL internet available to them in the city. The company covers the entire St. Clair area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of St. Clair.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in St. Clair. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are no different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from EarthLink goes up to 10 Mbps, and all St. Clair customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In St. Clair download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the slowest compared to other St. Clair DSL providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in St. Clair is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Spectrum Cable in St. Clair, MO
Spectrum cable coverage
About 55.49%, or 6,028 people, have Spectrum cable internet available to them in the city. The company covers the central, northeast, east, north, southeast, south, southwest, and west St. Clair area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of St. Clair.
Spectrum cable download speeds
Spectrum is one of the fastest when comparing download speeds to all other internet providers in St. Clair. Versus other cable providers in the area, Spectrum cable 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 cable upload speeds
In St. Clair download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is the fastest where upload speeds are concerned, and the fastest compared to other St. Clair cable providers. Spectrum 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 St. Clair 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 992 Mbps.
Show all upload speeds
- 99.2% up to 1,000.0 Mbps
- 0.8% up to 35.0 Mbps
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
Fidelity Communications DSL in St. Clair, MO
Fidelity Communications DSL coverage
About 3.40%, or 369 people, have Fidelity Communications DSL internet available to them in the city. The company covers the southwest and west St. Clair area. Fidelity Communications is an average-sized internet service provider internet service providers in the US, with internet service available in a very small piece of St. Clair.
Fidelity Communications DSL download speeds
Fidelity Communications is below average when comparing download speeds to all other internet providers in St. Clair. Versus other DSL providers in the area, Fidelity Communications DSL is average. There are 2 different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from Fidelity Communications goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for St. Clair customers is up to 18 Mbps.
Show all download speeds
- 52.0% up to 25.0 Mbps
- 48.0% up to 10.0 Mbps
Fidelity Communications DSL upload speeds
In St. Clair download speeds tend to be faster than than upload speeds for Fidelity Communications DSL. Compared to other ISPs, Fidelity Communications is below average where upload speeds are concerned, and average compared to other St. Clair DSL providers. Fidelity Communications 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 St. Clair is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Fidelity Communications customers can get speeds up to 2.0 Mbps.
Show all upload speeds
- 52.0% up to 3.0 Mbps
- 48.0% up to 1.0 Mbps
Wave Internet Fixed Wireless in St. Clair, MO
Wave Internet fixed wireless coverage
About 99.59%, or 10,818 people, have Wave Internet fixed wireless internet available to them in the city. The company covers the entire St. Clair area. Wave Internet is a large internet service provider internet service providers in the US, with internet service available in most of St. Clair.
Wave Internet fixed wireless download speeds
Wave Internet is below average when comparing download speeds to all other internet providers in St. Clair. Versus other fixed wireless providers in the area, Wave Internet fixed wireless is below average. There are no different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from Wave Internet goes up to 100 Mbps, and all St. Clair customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Wave Internet fixed wireless upload speeds
In St. Clair download speeds tend to be equal to than upload speeds for Wave Internet fixed wireless. Compared to other ISPs, Wave Internet is below average where upload speeds are concerned, and the fastest compared to other St. Clair fixed wireless providers. Wave Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in St. Clair is up to 100 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 100.0 Mbps
Wisper Internet Fixed Wireless in St. Clair, MO
Wisper Internet fixed wireless coverage
About 98.55%, or 10,706 people, have Wisper Internet fixed wireless internet available to them in the city. The company covers the entire St. Clair area. Wisper Internet is a large internet service provider internet service providers in the US, with internet service available in most of St. Clair.
Wisper Internet fixed wireless download speeds
Wisper Internet is above average when comparing download speeds to all other internet providers in St. Clair. Versus other fixed wireless providers in the area, Wisper Internet fixed wireless is the fastest. There are 2 different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from Wisper Internet goes up to 400 Mbps, the slowest package only goes up to 100 Mbps, and the city-wide average maximum speed for St. Clair customers is up to 386 Mbps.
Show all download speeds
- 95.4% up to 400.0 Mbps
- 4.6% up to 100.0 Mbps
Wisper Internet fixed wireless upload speeds
In St. Clair download speeds tend to be faster than than upload speeds for Wisper Internet fixed wireless. Compared to other ISPs, Wisper Internet is below average where upload speeds are concerned, and above average compared to other St. Clair fixed wireless providers. Wisper Internet 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 St. Clair is up to 30 Mbps. Some customers have slower plan choices, which only go up to 20 Mbps. On average, Wisper Internet customers can get speeds up to 30 Mbps.
Show all upload speeds
- 95.4% up to 30.0 Mbps
- 4.6% up to 20.0 Mbps
T-Mobile Home Internet Fixed Wireless in St. Clair, MO
T-Mobile Home Internet fixed wireless coverage
About 93.56%, or 10,163 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the entire St. Clair area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of St. Clair.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in St. Clair. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are 2 different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from T-Mobile Home Internet goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for St. Clair customers is up to 56 Mbps.
Show all download speeds
- 41.7% up to 100.0 Mbps
- 58.3% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In St. Clair download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is below average where upload speeds are concerned, and below average compared to other St. Clair fixed wireless providers. T-Mobile Home Internet 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 St. Clair is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, T-Mobile Home Internet customers can get speeds up to 10 Mbps.
Show all upload speeds
- 41.7% up to 20.0 Mbps
- 58.3% up to 3.0 Mbps
Bays-ET Highspeed Fixed Wireless in St. Clair, MO
Bays-ET Highspeed fixed wireless coverage
About 72.95%, or 7,925 people, have Bays-ET Highspeed fixed wireless internet available to them in the city. The company covers the entire St. Clair area. Bays-ET Highspeed is a large internet service provider internet service providers in the US, with internet service available in much of St. Clair.
Bays-ET Highspeed fixed wireless download speeds
Bays-ET Highspeed is below average when comparing download speeds to all other internet providers in St. Clair. Versus other fixed wireless providers in the area, Bays-ET Highspeed fixed wireless is below average. There are 2 different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from Bays-ET Highspeed goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for St. Clair customers is up to 67 Mbps.
Show all download speeds
- 56.1% up to 100.0 Mbps
- 43.9% up to 25.0 Mbps
Bays-ET Highspeed fixed wireless upload speeds
In St. Clair download speeds tend to be faster than than upload speeds for Bays-ET Highspeed fixed wireless. Compared to other ISPs, Bays-ET Highspeed is below average where upload speeds are concerned, and below average compared to other St. Clair fixed wireless providers. Bays-ET Highspeed 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 St. Clair is up to 10 Mbps. Some customers have slower plan choices, which only go up to 5.0 Mbps. On average, Bays-ET Highspeed customers can get speeds up to 7.8 Mbps.
Show all upload speeds
- 56.1% up to 10.0 Mbps
- 43.9% up to 5.0 Mbps
Verizon Fixed Wireless in St. Clair, MO
Verizon fixed wireless coverage
About 68.50%, or 7,441 people, have Verizon fixed wireless internet available to them in the city. The company covers the entire St. Clair area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in much of St. Clair.
Verizon fixed wireless download speeds
Verizon is above average when comparing download speeds to all other internet providers in St. Clair. Versus other fixed wireless providers in the area, Verizon fixed wireless is above average. There are no different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from Verizon goes up to 300 Mbps, and all St. Clair customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In St. Clair download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is below average where upload speeds are concerned, and below average compared to other St. Clair fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in St. Clair is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
EarthLink Fixed Wireless in St. Clair, MO
EarthLink fixed wireless coverage
About 38.13%, or 4,142 people, have EarthLink fixed wireless internet available to them in the city. The company covers the entire St. Clair area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of St. Clair.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in St. Clair. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for St. Clair customers is up to 26 Mbps.
Show all download speeds
- 1.0% up to 100.0 Mbps
- 99.0% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In St. Clair download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and one of the slowest compared to other St. Clair fixed wireless 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 St. Clair is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, EarthLink customers can get speeds up to 3.2 Mbps.
Show all upload speeds
- 1.0% up to 20.0 Mbps
- 99.0% up to 3.0 Mbps
AT&T Fixed Wireless in St. Clair, MO
AT&T fixed wireless coverage
About 38.13%, or 4,142 people, have AT&T fixed wireless internet available to them in the city. The company covers the entire St. Clair area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of St. Clair.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in St. Clair. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout St. Clair. The fastest plan anyone in St. Clair can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 25 Mbps, and the city-wide average maximum speed for St. Clair customers is up to 26 Mbps.
Show all download speeds
- 1.0% up to 100.0 Mbps
- 99.0% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In St. Clair download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and one of the slowest compared to other St. Clair fixed wireless 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 St. Clair is up to 20 Mbps. Some customers have slower plan choices, which only go up to 3.0 Mbps. On average, AT&T customers can get speeds up to 3.2 Mbps.
Show all upload speeds
- 1.0% up to 20.0 Mbps
- 99.0% up to 3.0 Mbps
St. Clair Internet 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 internet in St. Clair compare to the rest of Missouri?
Internet speeds in St. Clair are much slower versus the average speeds in Missouri: 3,199 Mbps in Missouri versus 725 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Missouri is 98.57% versus 99.59% in St. Clair.
What zip codes have widespread internet?
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 internet service 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
- Parkway, MO: less internet coverage, faster speeds
- Piney Park, MO: more internet coverage, faster speeds
- Mount Hope, MO: more internet coverage, slower speeds
- Neier, MO: more internet coverage, slower speeds
- Union, MO: more internet coverage, faster speeds
- Miramiguoa Park, MO: more internet coverage, slower speeds
- Lonedell, MO: less internet coverage, slower speeds
- Stanton, MO: less internet coverage, slower speeds
- Robertsville, MO: more internet coverage, faster speeds
- Villa Ridge, MO: less internet coverage, faster speeds
Cities with Similar Populations
- Bonner Springs, KS: more internet coverage, faster speeds
- West Point, UT: more internet coverage, faster speeds
- West Olive, MI: more internet coverage, faster speeds
- West Haverstraw, NY: more internet coverage, faster speeds
- Wellford, SC: more internet coverage, faster speeds
- Brookhaven, PA: more internet coverage, faster speeds
- Bridgeton, MO: more internet coverage, faster speeds
- Briarcliff Manor, NY: less internet coverage, faster speeds
- Breinigsville, PA: less internet coverage, faster speeds
- Brazoria, TX: more internet coverage, faster speeds