In Mercer Island there is 1 residential DSL provider covering 56.25% 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 Mercer Island, WA.
To see availability maps for all providers including fiber, cable, DSL, and more in Mercer Island, WA please click below.
Mercer Island, WA Availability Maps
DSL Internet Service Provider in Mercer Island
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 Mercer Island are not shown.
Mercer Island 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 Mercer Island is DSL internet available?
DSL Internet Availability Key
DSL is available in 56.25% of Mercer Island. 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 Mercer Island above to see who has service at your home.
How fast is DSL internet in Mercer Island?
The map below shows maximum DSL internet speeds by area in Mercer Island.
DSL Internet Speed Key
The average Mercer Island home can get up to 52 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 140 Mbps, which 2.95% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 21.10% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Mercer Island.
DSL internet speeds tend to be faster in the northeast parts of Mercer Island, and slower in the north areas of the city.
Is DSL the fastest internet I can get in Mercer Island?
The fastest internet for you may vary based on where in Mercer Island you live. In general, cable competes most often with DSL in the city.
- Fiber is the fastest internet type for 11.14% of Mercer Island homes.
- Cable is fastest for 88.81% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Mercer Island homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Mercer Island, along with details on where in Mercer Island and at what speeds.
Centurylink DSL in Mercer Island, WA
Centurylink DSL coverage
About 56.25%, or 14,553 people, have Centurylink DSL internet available to them in the city. The company covers the entire Mercer Island area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Mercer Island.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in Mercer Island. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 6 different maximum speeds throughout Mercer Island. The fastest plan anyone in Mercer Island 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 Mercer Island customers is up to 52 Mbps.
Show all download speeds
- 5.2% up to 140.0 Mbps
- 21.4% up to 100.0 Mbps
- 9.0% up to 80.0 Mbps
- 8.0% up to 60.0 Mbps
- 18.8% up to 40.0 Mbps
- 37.5% up to 10.0 Mbps
Centurylink DSL upload speeds
In Mercer Island download speeds tend to be faster than than upload speeds for Centurylink DSL. Compared to other ISPs, Centurylink is the slowest where upload speeds are concerned, and the fastest compared to other Mercer Island DSL providers. Centurylink offers 5 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 Mercer Island is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Centurylink customers can get speeds up to 5.4 Mbps.
Show all upload speeds
- 5.2% up to 20.0 Mbps
- 30.4% up to 10.0 Mbps
- 8.0% up to 5.0 Mbps
- 18.8% up to 3.0 Mbps
- 37.5% up to 1.0 Mbps
Mercer Island DSL by Area
This information is most helpful to those looking for homes or considering moving to Mercer Island or any of the areas nearby.
How does DSL internet in Mercer Island compare to the rest of Washington?
DSL internet speeds in Mercer Island are much faster versus the average speeds in Washington: 0.00 Mbps in Washington versus 52 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Washington is 0.00% versus 56.25% in Mercer Island.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Mercer Island 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
- Beaux Arts Village, WA: more DSL coverage, slower speeds
- Newcastle, WA: more DSL coverage, faster speeds
- Bellevue, WA: more DSL coverage, faster speeds
- Medina, WA: more DSL coverage, faster speeds
- Clyde Hill, WA: more DSL coverage, faster speeds
- Bryn Mawr-Skyway, WA: more DSL coverage, faster speeds
- Hunts Point, WA: more DSL coverage, faster speeds
- Yarrow Point, WA: more DSL coverage, faster speeds
- Boulevard Park, WA: less DSL coverage, faster speeds
- Seattle, WA: more DSL coverage, faster speeds
Cities with Similar Populations
- Allendale, MI: less DSL coverage, slower speeds
- Yorkville, IL: more DSL coverage, faster speeds
- Yelm, WA: more DSL coverage, slower speeds
- Waukee, IA: more DSL coverage, faster speeds
- Watertown, WI: more DSL coverage, slower speeds
- Wallingford, CT: more DSL coverage, slower speeds
- Waianae, HI: more DSL coverage, slower speeds
- Burlington, IA: more DSL coverage, slower speeds
- Bayonet Point, FL: less DSL coverage, slower speeds
- Avon, OH: more DSL coverage, slower speeds