In San Carlos there are 10 residential internet providers covering 100.00% of the city. The average home can get speeds up to 1,666 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.
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10 Internet Service Providers in San Carlos
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 San Carlos are not shown.
San Carlos 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 San Carlos
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.
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Internet service is available in 100.00% of San Carlos. 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 Smartcom Telephone. Now you can call companies in San Carlos with more confidence that they might be available.
How fast are internet speeds in San Carlos?
The map below shows maximum internet speeds by area in San Carlos.
Internet Speed Key
The average San Carlos home can get up to 1,666 Mbps on their internet plan. For most people, the fastest download speed in the city is 5,000 Mbps, which 18.98% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 15.51% of homes can only purchase plans up to 400 Mbps. See the internet provider details below for info about their speed and coverage in San Carlos.
Internet speeds tend to be faster in the southeast parts of San Carlos, and slower in the south areas of the city.
What type of internet should I choose in San Carlos?
The fastest internet for you may vary based on where in San Carlos you live. If speed is your main concern, fiber will be the fastest internet in the city.
- Fiber is the fastest internet type for 62.83% of San Carlos homes.
- Cable is fastest for 21.66% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 15.51%.
- Satellite internet may be the only option for less than 1% of San Carlos homes.
Internet Market Health in San Carlos
Internet Competition Key
The map shows how competitive the San Carlos 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 San Carlos based on what connections the average home has availabile:
- Average number of internet service providers to a home: 4.8 (healthy)
- Average types of service (fiber, cable, DSL, etc): 2.3 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 4.6 (healthy)
Overall, competition is healthy.
San Carlos internet customers have the ability to buy internet service from 2 to 7 different providers, depending on where they live. For different types of service, San Carlos homes have between 1 and 3 options. The type(s) of service available are fixed wireless, fiber, cable, and dsl, 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. San Carlos internet customers who want faster speeds have between 1 and 7 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, San Carlos is doing better than most.
TV & Internet Providers in Depth
Below you'll find which TV and internet providers offer service in San Carlos, along with details on where in San Carlos and at what speeds.
VTX1 Companies Fiber in San Carlos, TX
VTX1 Companies fiber coverage
About 43.85%, or 164 people, have VTX1 Companies fiber internet available to them in the city. The company covers the west, northwest, southwest, north, and central San Carlos area. VTX1 Companies is a large internet service provider internet service providers in the US, with internet service available in some of San Carlos.
VTX1 Companies fiber download speeds
VTX1 Companies is above average when comparing download speeds to all other internet providers in San Carlos. Versus other fiber providers in the area, VTX1 Companies fiber is the slowest. There are no different maximum speeds throughout San Carlos. The fastest plan anyone in San Carlos can order from VTX1 Companies goes up to 1,000 Mbps, and all San Carlos customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
VTX1 Companies fiber upload speeds
In San Carlos download speeds tend to be equal to than upload speeds for VTX1 Companies fiber. Compared to other ISPs, VTX1 Companies is above average where upload speeds are concerned, and the slowest compared to other San Carlos fiber providers. VTX1 Companies offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Carlos is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Spectrum Cable in San Carlos, TX
Spectrum cable coverage
About 40.64%, or 152 people, have Spectrum cable internet available to them in the city. The company covers the southeast San Carlos area. Spectrum is one of the largest internet service providers internet service providers in the US, with internet service available in some of San Carlos.
Spectrum cable download speeds
Spectrum is above average when comparing download speeds to all other internet providers in San Carlos. Versus other cable providers in the area, Spectrum cable is the fastest. There are no different maximum speeds throughout San Carlos. The fastest plan anyone in San Carlos can order from Spectrum goes up to 1,000 Mbps, and all San Carlos customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Spectrum cable upload speeds
In San Carlos download speeds tend to be faster than than upload speeds for Spectrum cable. Compared to other ISPs, Spectrum is below average where upload speeds are concerned, and the fastest compared to other San Carlos cable providers. Spectrum offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Carlos is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
VTX1 Companies DSL in San Carlos, TX
VTX1 Companies DSL coverage
About 22.73%, or 85 people, have VTX1 Companies DSL internet available to them in the city. The company covers the west, north, and central San Carlos area. VTX1 Companies is a large internet service provider internet service providers in the US, with internet service available in a small portion of San Carlos.
VTX1 Companies DSL download speeds
VTX1 Companies is the slowest when comparing download speeds to all other internet providers in San Carlos. Versus other DSL providers in the area, VTX1 Companies DSL is the fastest. There are no different maximum speeds throughout San Carlos. The fastest plan anyone in San Carlos can order from VTX1 Companies goes up to 10 Mbps, and all San Carlos customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
VTX1 Companies DSL upload speeds
In San Carlos download speeds tend to be faster than than upload speeds for VTX1 Companies DSL. Compared to other ISPs, VTX1 Companies is the slowest where upload speeds are concerned, and the fastest compared to other San Carlos DSL providers. VTX1 Companies offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Carlos is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Smartcom Telephone Fiber in San Carlos, TX
Smartcom Telephone fiber coverage
About 18.98%, or 71 people, have Smartcom Telephone fiber internet available to them in the city. The company covers the southeast San Carlos area. Smartcom Telephone is a large internet service provider internet service providers in the US, with internet service available in a small portion of San Carlos.
Smartcom Telephone fiber download speeds
Smartcom Telephone is the fastest when comparing download speeds to all other internet providers in San Carlos. Versus other fiber providers in the area, Smartcom Telephone fiber is the fastest. There are no different maximum speeds throughout San Carlos. The fastest plan anyone in San Carlos can order from Smartcom Telephone goes up to 5,000 Mbps, and all San Carlos customers can get this speed.
Show all download speeds
- 100.0% up to 5,000.0 Mbps
Smartcom Telephone fiber upload speeds
In San Carlos download speeds tend to be equal to than upload speeds for Smartcom Telephone fiber. Compared to other ISPs, Smartcom Telephone is the fastest where upload speeds are concerned, and the fastest compared to other San Carlos fiber providers. Smartcom Telephone offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Carlos is up to 5,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 5,000.0 Mbps
VTX1 Companies Fixed Wireless in San Carlos, TX
VTX1 Companies fixed wireless coverage
About 100.00%, or 374 people, have VTX1 Companies fixed wireless internet available to them in the city. The company covers the entire San Carlos area. VTX1 Companies is a large internet service provider internet service providers in the US, with internet service available in every corner of San Carlos.
VTX1 Companies fixed wireless download speeds
VTX1 Companies is below average when comparing download speeds to all other internet providers in San Carlos. Versus other fixed wireless providers in the area, VTX1 Companies fixed wireless is the fastest. There are 2 different maximum speeds throughout San Carlos. The fastest plan anyone in San Carlos can order from VTX1 Companies goes up to 400 Mbps, the slowest package only goes up to 300 Mbps, and the city-wide average maximum speed for San Carlos customers is up to 382 Mbps.
Show all download speeds
- 82.1% up to 400.0 Mbps
- 17.9% up to 300.0 Mbps
VTX1 Companies fixed wireless upload speeds
In San Carlos download speeds tend to be faster than than upload speeds for VTX1 Companies fixed wireless. Compared to other ISPs, VTX1 Companies is below average where upload speeds are concerned, and above average compared to other San Carlos fixed wireless providers. VTX1 Companies 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 San Carlos is up to 50 Mbps. Some customers have slower plan choices, which only go up to 25 Mbps. On average, VTX1 Companies customers can get speeds up to 49 Mbps.
Show all upload speeds
- 97.9% up to 50.0 Mbps
- 2.1% up to 25.0 Mbps
T-Mobile Home Internet Fixed Wireless in San Carlos, TX
T-Mobile Home Internet fixed wireless coverage
About 72.99%, or 273 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the southeast, west, northwest, and south San Carlos area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in much of San Carlos.
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 San Carlos. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is the slowest. There are 2 different maximum speeds throughout San Carlos. The fastest plan anyone in San Carlos 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 San Carlos customers is up to 61 Mbps.
Show all download speeds
- 47.6% up to 100.0 Mbps
- 52.4% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In San Carlos 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 the slowest compared to other San Carlos 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 San Carlos 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 11 Mbps.
Show all upload speeds
- 47.6% up to 20.0 Mbps
- 52.4% up to 3.0 Mbps
Verizon Fixed Wireless in San Carlos, TX
Verizon fixed wireless coverage
About 59.36%, or 222 people, have Verizon fixed wireless internet available to them in the city. The company covers the southeast, west, and south San Carlos area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of San Carlos.
Verizon fixed wireless download speeds
Verizon is below average when comparing download speeds to all other internet providers in San Carlos. Versus other fixed wireless providers in the area, Verizon fixed wireless is above average. There are no different maximum speeds throughout San Carlos. The fastest plan anyone in San Carlos can order from Verizon goes up to 300 Mbps, and all San Carlos customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In San Carlos 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 San Carlos fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Carlos 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 San Carlos, TX
EarthLink fixed wireless coverage
About 50.80%, or 190 people, have EarthLink fixed wireless internet available to them in the city. The company covers the southeast and west San Carlos area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of San Carlos.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in San Carlos. Versus other fixed wireless providers in the area, EarthLink fixed wireless is below average. There are 2 different maximum speeds throughout San Carlos. The fastest plan anyone in San Carlos 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 San Carlos customers is up to 76 Mbps.
Show all download speeds
- 68.4% up to 100.0 Mbps
- 31.6% up to 25.0 Mbps
EarthLink fixed wireless upload speeds
In San Carlos 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 below average compared to other San Carlos 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 San Carlos 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 15 Mbps.
Show all upload speeds
- 68.4% up to 20.0 Mbps
- 31.6% up to 3.0 Mbps
AT&T Fixed Wireless in San Carlos, TX
AT&T fixed wireless coverage
About 50.80%, or 190 people, have AT&T fixed wireless internet available to them in the city. The company covers the southeast and west San Carlos 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 San Carlos.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in San Carlos. Versus other fixed wireless providers in the area, AT&T fixed wireless is below average. There are 2 different maximum speeds throughout San Carlos. The fastest plan anyone in San Carlos 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 San Carlos customers is up to 76 Mbps.
Show all download speeds
- 68.4% up to 100.0 Mbps
- 31.6% up to 25.0 Mbps
AT&T fixed wireless upload speeds
In San Carlos 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 below average compared to other San Carlos 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 San Carlos 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 15 Mbps.
Show all upload speeds
- 68.4% up to 20.0 Mbps
- 31.6% up to 3.0 Mbps
Twin Fixed Wireless in San Carlos, TX
Twin fixed wireless coverage
About 24.33%, or 91 people, have Twin fixed wireless internet available to them in the city. The company covers the southeast, northeast, and east San Carlos area. Twin is a large internet service provider internet service providers in the US, with internet service available in a small portion of San Carlos.
Twin fixed wireless download speeds
Twin is below average when comparing download speeds to all other internet providers in San Carlos. Versus other fixed wireless providers in the area, Twin fixed wireless is above average. There are no different maximum speeds throughout San Carlos. The fastest plan anyone in San Carlos can order from Twin goes up to 200 Mbps, and all San Carlos customers can get this speed.
Show all download speeds
- 100.0% up to 200.0 Mbps
Twin fixed wireless upload speeds
In San Carlos download speeds tend to be faster than than upload speeds for Twin fixed wireless. Compared to other ISPs, Twin is below average where upload speeds are concerned, and the fastest compared to other San Carlos fixed wireless providers. Twin offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in San Carlos is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
San Carlos Internet by Area
This information is most helpful to those looking for homes or considering moving to San Carlos or any of the areas nearby.
How does internet in San Carlos compare to the rest of Texas?
Internet speeds in San Carlos are much slower versus the average speeds in Texas: 3,946 Mbps in Texas versus 1,666 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in Texas is 98.82% versus 100.00% in San Carlos.
What zip codes have widespread internet?
Internet coverage varies by zip code and neighborhood. Some examples in or around San Carlos 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
- Edinburg, TX: less internet coverage, faster speeds
- Faysville, TX: less internet coverage, faster speeds
- Doolittle, TX: equal internet coverage, faster speeds
- San Manuel-Linn, TX: equal internet coverage, slower speeds
- Alton, TX: less internet coverage, faster speeds
- Cesar Chavez, TX: less internet coverage, slower speeds
- Nurillo, TX: less internet coverage, faster speeds
- Lopezville, TX: equal internet coverage, faster speeds
- Palmhurst, TX: equal internet coverage, faster speeds
- McAllen, TX: less internet coverage, faster speeds
Cities with Similar Populations
- Gulston, KY: equal internet coverage, slower speeds
- Herndon, WV: less internet coverage, slower speeds
- Henderson, IA: less internet coverage, faster speeds
- Helix, OR: less internet coverage, faster speeds
- Hedley, TX: less internet coverage, slower speeds
- Hebron, MO: less internet coverage, slower speeds
- Havenhurst, MO: equal internet coverage, slower speeds
- Hasty, AR: less internet coverage, slower speeds
- Woodberry, AR: equal internet coverage, slower speeds
- Hardesty, OK: less internet coverage, slower speeds