In Island County there are 3 residential DSL providers covering 65.52% of the county. The average home can get speeds up to 81 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 Island County, WA.
To see availability maps for all providers including fiber, cable, DSL, and more in Island County, WA please click below.
Island County, WA Availability Maps
DSL Internet Service Providers in Island County
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 Island County are not shown.
Island County 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 Island County is DSL internet available?
DSL Internet Availability Key
DSL is available in 65.52% of Island County. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is Astound Broadband. Call one of the companies with service in Island County above to see who has service at your home.
How fast is DSL internet in Island County?
The map below shows maximum DSL internet speeds by area in Island County.
DSL Internet Speed Key
The average Island County home can get up to 81 Mbps on their DSL internet plan. The fastest DSL download speed in the county is 1,000 Mbps, which 3.10% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 33.16% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Island County.
DSL internet speeds tend to be faster in the central parts of Island County, and slower in the southeast areas of the county.
Is DSL the fastest internet I can get in Island County?
The fastest internet for you may vary based on where in Island County you live. In general, cable competes most often with DSL in the county.
- Fiber is the fastest internet type for 20.17% of Island County homes.
- Cable is fastest for 71.17% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 1.12%.
- Satellite internet may be the only option for 7.40% of Island County homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Island County, along with details on where in Island County and at what speeds.
Ziply DSL in Island County, WA
Ziply DSL coverage
About 53.59%, or 46,543 people, have Ziply DSL internet available to them in the county. The company covers the entire Island County area. Ziply is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Island County.
Ziply DSL download speeds
Ziply is below average when comparing download speeds to all other internet providers in Island County. Versus other DSL providers in the area, Ziply DSL is below average. There are 8 different maximum speeds throughout Island County. The fastest plan anyone in Island County can order from Ziply goes up to 115 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for Island County customers is up to 38 Mbps.
Show all download speeds
- 16.5% up to 115.0 Mbps
- 6.7% up to 90.0 Mbps
- 4.7% up to 70.0 Mbps
- 5.3% up to 45.0 Mbps
- 1.1% up to 40.0 Mbps
- 0.1% up to 32.0 Mbps
- 0.1% up to 25.0 Mbps
- 65.4% up to 10.0 Mbps
Ziply DSL upload speeds
In Island County download speeds tend to be faster than than upload speeds for Ziply DSL. Compared to other ISPs, Ziply is below average where upload speeds are concerned, and the slowest compared to other Island County DSL providers. Ziply offers 5 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Island County is up to 10 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, Ziply customers can get speeds up to 2.6 Mbps.
Show all upload speeds
- 1.1% up to 10.0 Mbps
- 16.5% up to 7.0 Mbps
- 6.7% up to 5.0 Mbps
- 10.2% up to 3.0 Mbps
- 65.4% up to 1.0 Mbps
Whidbey Telecom DSL in Island County, WA
Whidbey Telecom DSL coverage
About 13.51%, or 11,738 people, have Whidbey Telecom DSL internet available to them in the county. The company covers the southeast and south Island County area. Whidbey Telecom is an average-sized internet service provider internet service providers in the US, with internet service available in a very small piece of Island County.
Whidbey Telecom DSL download speeds
Whidbey Telecom is below average when comparing download speeds to all other internet providers in Island County. Versus other DSL providers in the area, Whidbey Telecom DSL is the slowest. There are no different maximum speeds throughout Island County. The fastest plan anyone in Island County can order from Whidbey Telecom goes up to 25 Mbps, and all Island County customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
Whidbey Telecom DSL upload speeds
In Island County download speeds tend to be faster than than upload speeds for Whidbey Telecom DSL. Compared to other ISPs, Whidbey Telecom is below average where upload speeds are concerned, and below average compared to other Island County DSL providers. Whidbey Telecom offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Island County is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Astound Broadband DSL in Island County, WA
Astound Broadband DSL coverage
About 3.10%, or 2,696 people, have Astound Broadband DSL internet available to them in the county. The company covers the northwest, east, central, south, and north Island County area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of Island County.
Astound Broadband DSL download speeds
Astound Broadband is average when comparing download speeds to all other internet providers in Island County. Versus other DSL providers in the area, Astound Broadband DSL is the fastest. There are no different maximum speeds throughout Island County. The fastest plan anyone in Island County can order from Astound Broadband goes up to 1,000 Mbps, and all Island County customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Astound Broadband DSL upload speeds
In Island County download speeds tend to be faster than than upload speeds for Astound Broadband DSL. Compared to other ISPs, Astound Broadband is below average where upload speeds are concerned, and the fastest compared to other Island County DSL providers. Astound Broadband offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in Island County is up to 10 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10.0 Mbps
Island County DSL by Area
This information is most helpful to those looking for homes or considering moving to Island County or any of the areas nearby.
How does DSL internet in Island County compare to the rest of Washington?
DSL internet speeds in Island County are much faster versus the average speeds in Washington: 0.00 Mbps in Washington versus 81 Mbps in the county. The state has similar DSL availability compared to the county. Average DSL coverage in Washington is 0.00% versus 65.52% in Island County.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Island County 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 counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Jefferson County, WA: more DSL coverage, slower speeds
- Skagit County, WA: more DSL coverage, slower speeds
- Snohomish County, WA: less DSL coverage, slower speeds
- San Juan County, WA: more DSL coverage, slower speeds
- Clallam County, WA: more DSL coverage, faster speeds
- Okanogan County, WA: more DSL coverage, slower speeds
- Ferry County, WA: less DSL coverage, slower speeds
- Stevens County, WA: more DSL coverage, slower speeds
- Pend Oreille County, WA: less DSL coverage, slower speeds
- Kootenai County, ID: less DSL coverage, slower speeds
Counties with Similar Populations
- Lapeer County, MI: more DSL coverage, slower speeds
- Mendocino County, CA: more DSL coverage, slower speeds
- Manitowoc County, WI: more DSL coverage, slower speeds
- Madison County, KY: more DSL coverage, slower speeds
- Lincoln County, NC: more DSL coverage, slower speeds
- Liberty County, TX: more DSL coverage, slower speeds
- Lewis County, WA: more DSL coverage, slower speeds
- Lee County, MS: less DSL coverage, slower speeds
- Leavenworth County, KS: less DSL coverage, slower speeds
- Lawrence County, PA: less DSL coverage, slower speeds