In Summit there is 1 residential DSL provider covering 75.99% of the city. The average home can get speeds up to 52 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 Summit, AZ.
To see availability maps for all providers including fiber, cable, DSL, and more in Summit, AZ please click below.
DSL Internet Service Provider in Summit
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 Summit are not shown.
Summit 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 Summit is DSL internet available?
DSL Internet Availability Key
DSL is available in 75.99% of Summit. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Centurylink. Call one of the companies with service in Summit above to see who has service at your home.
How fast is DSL internet in Summit?
The map below shows maximum DSL internet speeds by area in Summit.
DSL Internet Speed Key
The average Summit home can get up to 52 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 140 Mbps, which 9.45% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 39.69% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Summit.
DSL internet speeds tend to be faster in the southeast parts of Summit, and slower in the west areas of the city.
Is DSL the fastest internet I can get in Summit?
The fastest internet for you may vary based on where in Summit you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 17.95% of Summit homes.
- Cable is fastest for 59.27% of the city.
- DSL is fastest for 1.14%.
- Fixed wireless is fastest for 21.55%.
- Satellite internet may be the only option for less than 1% of Summit homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Summit, along with details on where in Summit and at what speeds.
Centurylink DSL in Summit, AZ
Centurylink DSL coverage
About 75.99%, or 29,858 people, have Centurylink DSL internet available to them in the city. The company covers the entire Summit area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Summit.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Summit. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 7 different maximum speeds throughout Summit. The fastest plan anyone in Summit can order from Centurylink goes up to 140 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Summit customers is up to 52 Mbps.
Show all download speeds
- 12.4% up to 140.0 Mbps
- 0.4% up to 120.0 Mbps
- 14.6% up to 100.0 Mbps
- 14.7% up to 80.0 Mbps
- 0.6% up to 60.0 Mbps
- 5.0% up to 40.0 Mbps
- 52.2% up to 10.0 Mbps
Centurylink DSL upload speeds
In Summit download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is below average where upload speeds are concerned, and the fastest compared to other Summit DSL providers. Centurylink offers 6 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 Summit is up to 40 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 6.5 Mbps.
Show all upload speeds
- 1.0% up to 40.0 Mbps
- 12.4% up to 20.0 Mbps
- 28.6% up to 10.0 Mbps
- 0.8% up to 5.0 Mbps
- 4.9% up to 3.0 Mbps
- 52.2% up to 1.0 Mbps
Summit DSL by Area
This information is most helpful to those looking for homes or considering moving to Summit or any of the areas nearby.
How does DSL internet in Summit compare to the rest of Arizona?
DSL internet speeds in Summit are much faster versus the average speeds in Arizona: 0.00 Mbps in Arizona versus 52 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Arizona is 0.00% versus 75.99% in Summit.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Summit 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
- Tucson, AZ: more DSL coverage, faster speeds
- South Tucson, AZ: more DSL coverage, faster speeds
- Drexel Heights, AZ: more DSL coverage, slower speeds
- Vail, AZ: less DSL coverage, faster speeds
- Valencia West, AZ: more DSL coverage, faster speeds
- Tucson Estates, AZ: more DSL coverage, faster speeds
- Flowing Wells, AZ: more DSL coverage, slower speeds
- Tanque Verde, AZ: more DSL coverage, slower speeds
- Three Points, AZ: more DSL coverage, faster speeds
- Pan Tak, AZ: less DSL coverage, slower speeds
Cities with Similar Populations
- Maricopa, AZ: more DSL coverage, faster speeds
- Royal Palm Beach, FL: less DSL coverage, faster speeds
- Roy, UT: more DSL coverage, faster speeds
- Rome, NY: less DSL coverage, slower speeds
- Ocean Springs, MS: more DSL coverage, faster speeds
- New Smyrna Beach, FL: less DSL coverage, faster speeds
- Mount Pleasant, MI: less DSL coverage, slower speeds
- Milledgeville, GA: more DSL coverage, faster speeds
- Midvale, UT: more DSL coverage, faster speeds
- San Juan, TX: less DSL coverage, slower speeds