In 99021 there is 1 residential DSL provider covering 92.12% of the zip. The average home can get speeds up to 89 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 99021, WA.
To see availability maps for all providers including fiber, cable, DSL, and more in 99021, WA please click below.
DSL Internet Service Provider in 99021
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 99021 are not shown.
99021 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 99021 is DSL internet available?
DSL Internet Availability Key
DSL is available in 92.12% of 99021. 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 99021 above to see who has service at your home.
How fast is DSL internet in 99021?
The map below shows maximum DSL internet speeds by area in 99021.
DSL Internet Speed Key
The average 99021 home can get up to 89 Mbps on their DSL internet plan. The fastest DSL download speed in the zip is 140 Mbps, which 32.43% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 18.63% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in 99021.
DSL internet speeds tend to be faster in the south parts of 99021, and slower in the east areas of the zip.
Is DSL the fastest internet I can get in 99021?
The fastest internet for you may vary based on where in 99021 you live. In general, cable competes most often with DSL in the zip.
- Fiber is the fastest internet type for less than 1% of 99021 homes.
- Cable is fastest for 76.26% of the zip.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 23.27%.
- Satellite internet may be the only option for less than 1% of 99021 homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in 99021, along with details on where in 99021 and at what speeds.
Centurylink DSL in 99021, WA
Centurylink DSL coverage
About 92.12%, or 9,023 people, have Centurylink DSL internet available to them in the zip. The company covers the entire 99021 area. Centurylink is one of the largest internet service providers internet service providers in the US, with internet service available in most of 99021.
Centurylink DSL download speeds
Centurylink is below average when comparing download speeds to all other internet providers in 99021. Versus other DSL providers in the area, Centurylink DSL is the fastest. There are 6 different maximum speeds throughout 99021. The fastest plan anyone in 99021 can order from Centurylink goes up to 140 Mbps, the slowest package only goes up to 10 Mbps, and the zip-wide average maximum speed for 99021 customers is up to 89 Mbps.
Show all download speeds
- 35.2% up to 140.0 Mbps
- 21.7% up to 100.0 Mbps
- 11.8% up to 80.0 Mbps
- 8.4% up to 60.0 Mbps
- 2.7% up to 40.0 Mbps
- 20.2% up to 10.0 Mbps
Centurylink DSL upload speeds
In 99021 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 99021 DSL providers. Centurylink offers 5 different upload speeds across the zip, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in 99021 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 11 Mbps.
Show all upload speeds
- 37.0% up to 20.0 Mbps
- 31.6% up to 10.0 Mbps
- 8.7% up to 5.0 Mbps
- 2.4% up to 3.0 Mbps
- 20.2% up to 1.0 Mbps
99021 DSL by Area
This information is most helpful to those looking for homes or considering moving to 99021 or any of the areas nearby.
How does DSL internet in 99021 compare to the rest of Washington?
DSL internet speeds in 99021 are much faster versus the average speeds in Washington: 0.00 Mbps in Washington versus 89 Mbps in the zip. The state has similar DSL availability compared to the zip. Average DSL coverage in Washington is 0.00% versus 92.12% in 99021.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around 99021 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 zip codes?
Below are zip codes nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Zip Codes
- 99005, WA: more DSL coverage, slower speeds
- 99218, WA: more DSL coverage, slower speeds
- 99251, WA: more DSL coverage, slower speeds
- 99217, WA: less DSL coverage, faster speeds
- 99208, WA: less DSL coverage, faster speeds
- 99207, WA: less DSL coverage, slower speeds
- 99212, WA: less DSL coverage, faster speeds
- 99205, WA: less DSL coverage, slower speeds
- 99216, WA: more DSL coverage, faster speeds
- 99202, WA: less DSL coverage, slower speeds
Zip Codes with Similar Populations
- 48653, MI: less DSL coverage, slower speeds
- 74525, OK: less DSL coverage, slower speeds
- 70444, LA: less DSL coverage, slower speeds
- 68467, NE: less DSL coverage, slower speeds
- 59923, MT: less DSL coverage, slower speeds
- 57785, SD: less DSL coverage, slower speeds
- 55051, MN: more DSL coverage, slower speeds
- 53581, WI: less DSL coverage, slower speeds
- 51442, IA: less DSL coverage, slower speeds
- 50309, IA: more DSL coverage, slower speeds