In San Carlos there is 1 residential DSL provider covering 70.64% of the city. The average home can get speeds up to 25 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 DSL internet providers in San Carlos, AZ.
To see availability maps for all providers including fiber, cable, DSL, and more in San Carlos, AZ please click below.
San Carlos, AZ Availability Maps
DSL Internet Service Provider 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
Where in San Carlos is DSL internet available?
DSL Internet Availability Key
DSL is available in 70.64% of San Carlos. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is SCATUI. Call one of the companies with service in San Carlos above to see who has service at your home.
How fast is DSL internet in San Carlos?
The map below shows maximum DSL internet speeds by area in San Carlos.
DSL Internet Speed Key
The average San Carlos home can get up to 25 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 25 Mbps, which 68.92% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 1.72% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in San Carlos.
DSL internet speeds tend to be faster in the central parts of San Carlos, and slower in the west areas of the city.
Is DSL the fastest internet I can get in San Carlos?
The fastest internet for you may vary based on where in San Carlos you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 62.41% of San Carlos homes.
- Cable is fastest for less than 1% of the city.
- DSL is fastest for 31.46%.
- Fixed wireless is fastest for 3.94%.
- Satellite internet may be the only option for 2.18% of San Carlos homes.
DSL 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.
SCATUI DSL in San Carlos, AZ
SCATUI DSL coverage
About 70.64%, or 3,332 people, have SCATUI DSL internet available to them in the city. The company covers the entire San Carlos area. SCATUI is a small internet service provider internet service providers in the US, with internet service available in much of San Carlos.
SCATUI DSL download speeds
SCATUI is the slowest when comparing download speeds to all other internet providers in San Carlos. Versus other DSL providers in the area, SCATUI DSL is the fastest. There are 2 different maximum speeds throughout San Carlos. The fastest plan anyone in San Carlos can order from SCATUI goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for San Carlos customers is up to 25 Mbps.
Show all download speeds
- 97.6% up to 25.0 Mbps
- 2.4% up to 10.0 Mbps
SCATUI DSL upload speeds
In San Carlos download speeds tend to be faster than than upload speeds for SCATUI DSL. Compared to other ISPs, SCATUI is the slowest where upload speeds are concerned, and the fastest compared to other San Carlos DSL providers. SCATUI 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 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, SCATUI customers can get speeds up to 3.0 Mbps.
Show all upload speeds
- 97.6% up to 3.0 Mbps
- 2.4% up to 1.0 Mbps
San Carlos DSL 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 DSL internet in San Carlos compare to the rest of Arizona?
DSL internet speeds in San Carlos are much faster versus the average speeds in Arizona: 0.00 Mbps in Arizona versus 25 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Arizona is 0.00% versus 70.64% in San Carlos.
What zip codes have DSL internet?
DSL 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 DSL 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
- Peridot, AZ: less DSL coverage, slower speeds
- Little Acres, AZ: less DSL coverage, slower speeds
- Globe, AZ: less DSL coverage, faster speeds
- Gold Canyon, AZ: more DSL coverage, faster speeds
- Goldfield, AZ: more DSL coverage, slower speeds
- Stargo, AZ: less DSL coverage, faster speeds
- Apache Junction, AZ: more DSL coverage, faster speeds
- Queen Creek, AZ: less DSL coverage, faster speeds
- Higley, AZ: more DSL coverage, faster speeds
- Mesa, AZ: more DSL coverage, faster speeds
Cities with Similar Populations
- Lake Delton, WI: more DSL coverage, faster speeds
- Lakebay, WA: more DSL coverage, faster speeds
- Lake Tansi, TN: less DSL coverage, slower speeds
- Lake Park, NC: more DSL coverage, faster speeds
- Lake Panasoffkee, FL: more DSL coverage, faster speeds
- Lake Ozark, MO: less DSL coverage, slower speeds
- Lake Odessa, MI: less DSL coverage, slower speeds
- Lake Norman of Catawba, NC: more DSL coverage, faster speeds
- Lake Montezuma, AZ: more DSL coverage, slower speeds
- Lake Helen, FL: more DSL coverage, slower speeds