In Sumas there is 1 residential DSL provider covering 72.18% of the city. The average home can get speeds up to 36 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 Sumas, WA.
To see availability maps for all providers including fiber, cable, DSL, and more in Sumas, WA please click below.
DSL Internet Service Provider in Sumas
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 Sumas are not shown.
Sumas 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 Sumas is DSL internet available?
DSL Internet Availability Key
DSL is available in 72.18% of Sumas. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Ziply. Call one of the companies with service in Sumas above to see who has service at your home.
How fast is DSL internet in Sumas?
The map below shows maximum DSL internet speeds by area in Sumas.
DSL Internet Speed Key
The average Sumas home can get up to 36 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 115 Mbps, which 10.91% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 46.62% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Sumas.
DSL internet speeds tend to be faster in the northeast parts of Sumas, and slower in the central areas of the city.
Is DSL the fastest internet I can get in Sumas?
The fastest internet for you may vary based on where in Sumas you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 65.13% of Sumas homes.
- Cable is fastest for 6.15% of the city.
- DSL is fastest for 1.22%.
- Fixed wireless is fastest for 26.70%.
- Satellite internet may be the only option for less than 1% of Sumas homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Sumas, along with details on where in Sumas and at what speeds.
Ziply DSL in Sumas, WA
Ziply DSL coverage
About 72.18%, or 2,652 people, have Ziply DSL internet available to them in the city. The company covers the entire Sumas area. Ziply is one of the largest internet service providers internet service providers in the US, with internet service available in much of Sumas.
Ziply DSL download speeds
Ziply is the slowest when comparing download speeds to all other internet providers in Sumas. Versus other DSL providers in the area, Ziply DSL is the fastest. There are 5 different maximum speeds throughout Sumas. The fastest plan anyone in Sumas can order from Ziply goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Sumas customers is up to 36 Mbps.
Show all download speeds
- 15.1% up to 115.0 Mbps
- 5.5% up to 90.0 Mbps
- 3.9% up to 70.0 Mbps
- 10.9% up to 45.0 Mbps
- 64.6% up to 10.0 Mbps
Ziply DSL upload speeds
In Sumas download speeds tend to be faster than than upload speeds for Ziply DSL. Compared to other ISPs, Ziply is the slowest where upload speeds are concerned, and the fastest compared to other Sumas DSL providers. Ziply offers 4 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 Sumas is up to 7.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Ziply customers can get speeds up to 2.4 Mbps.
Show all upload speeds
- 15.1% up to 7.0 Mbps
- 5.5% up to 5.0 Mbps
- 14.8% up to 3.0 Mbps
- 64.6% up to 1.0 Mbps
Sumas DSL by Area
This information is most helpful to those looking for homes or considering moving to Sumas or any of the areas nearby.
How does DSL internet in Sumas compare to the rest of Washington?
DSL internet speeds in Sumas are much faster versus the average speeds in Washington: 0.00 Mbps in Washington versus 36 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in Washington is 0.00% versus 72.18% in Sumas.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Sumas 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
- Nooksack, WA: less DSL coverage, slower speeds
- Everson, WA: less DSL coverage, faster speeds
- Peaceful Valley, WA: less DSL coverage, slower speeds
- Maple Falls, WA: less DSL coverage, slower speeds
- Kendall, WA: less DSL coverage, slower speeds
- Lynden, WA: less DSL coverage, slower speeds
- Strandell, WA: less DSL coverage, slower speeds
- Lawrence, WA: less DSL coverage, slower speeds
- Welcome, WA: less DSL coverage, faster speeds
- Deming, WA: less DSL coverage, slower speeds
Cities with Similar Populations
- Mio, MI: more DSL coverage, faster speeds
- Milford, IA: more DSL coverage, slower speeds
- Millbury, OH: less DSL coverage, slower speeds
- Burns, OR: more DSL coverage, faster speeds
- Burlington, CO: more DSL coverage, slower speeds
- Burkeville, VA: more DSL coverage, faster speeds
- Burbank, WA: more DSL coverage, faster speeds
- Bunker Hill, IL: more DSL coverage, faster speeds
- Ely, MN: more DSL coverage, slower speeds
- Pierce City, MO: less DSL coverage, slower speeds