In Sammamish there are 2 residential Cable providers covering 99.87% of the city. The average home can get speeds up to 1,973 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 Cable internet providers in Sammamish, WA.
To see availability maps for all providers including fiber, cable, DSL, and more in Sammamish, WA please click below.
Sammamish, WA Availability Maps
Cable Internet Service Providers in Sammamish
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 Sammamish are not shown.
Sammamish 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 Sammamish is cable internet available?
Cable Internet Availability Key
Cable is available in 99.87% of Sammamish. Areas in green have cable internet service, where areas in yellow or red may not. The most widely available provider is XFINITY. Call one of the companies with service in Sammamish above to see who has service at your home.
How fast is cable internet in Sammamish?
The map below shows maximum cable internet speeds by area in Sammamish.
Cable Internet Speed Key
The average Sammamish home can get up to 1,973 Mbps on their cable internet plan. The fastest cable download speed in the city is 2,000 Mbps, which 96.42% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.22% of homes can only purchase plans up to 1,200 Mbps. See the internet provider details below for info about their speed and coverage in Sammamish.
Cable internet speeds tend to be faster in the west parts of Sammamish, and slower in the southeast areas of the city.
Is cable the fastest internet I can get in Sammamish?
The fastest internet for you may vary based on where in Sammamish you live. In general, fiber competes most often with cable in the city.
- Fiber is the fastest internet type for 24.42% of Sammamish homes.
- Cable is fastest for 75.46% 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 Sammamish homes.
Cable Providers in Depth
Below you'll find which TV and internet providers offer service in Sammamish, along with details on where in Sammamish and at what speeds.
XFINITY from Comcast Cable in Sammamish, WA
XFINITY cable coverage
About 99.87%, or 57,120 people, have XFINITY cable internet available to them in the city. The company covers the entire Sammamish area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in most of Sammamish.
XFINITY from Comcast cable download speeds
XFINITY is above average when comparing download speeds to all other internet providers in Sammamish. Versus other cable providers in the area, XFINITY cable is the fastest. There are 2 different maximum speeds throughout Sammamish. The fastest plan anyone in Sammamish can order from XFINITY goes up to 2,000 Mbps, the slowest package only goes up to 1,200 Mbps, and the city-wide average maximum speed for Sammamish customers is up to 1,972 Mbps.
Show all download speeds
- 96.5% up to 2,000.0 Mbps
- 3.5% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Sammamish download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is below average where upload speeds are concerned, and the fastest compared to other Sammamish cable providers. XFINITY offers 2 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 Sammamish is up to 250 Mbps. Some customers have slower plan choices, which only go up to 35 Mbps. On average, XFINITY customers can get speeds up to 243 Mbps.
Show all upload speeds
- 96.5% up to 250.0 Mbps
- 3.5% up to 35.0 Mbps
Astound Broadband Cable in Sammamish, WA
Astound Broadband cable coverage
About 33.37%, or 19,088 people, have Astound Broadband cable internet available to them in the city. The company covers the north, south, central, northwest, east, southwest, southeast, and northeast Sammamish area. Astound Broadband is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Sammamish.
Astound Broadband cable download speeds
Astound Broadband is above average when comparing download speeds to all other internet providers in Sammamish. Versus other cable providers in the area, Astound Broadband cable is the slowest. There are no different maximum speeds throughout Sammamish. The fastest plan anyone in Sammamish can order from Astound Broadband goes up to 1,500 Mbps, and all Sammamish customers can get this speed.
Show all download speeds
- 100.0% up to 1,500.0 Mbps
Astound Broadband cable upload speeds
In Sammamish download speeds tend to be faster than than upload speeds for Astound Broadband cable. Compared to other ISPs, Astound Broadband is below average where upload speeds are concerned, and the slowest compared to other Sammamish cable providers. Astound Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Sammamish is up to 50 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 50.0 Mbps
Sammamish Cable by Area
This information is most helpful to those looking for homes or considering moving to Sammamish or any of the areas nearby.
How does cable internet in Sammamish compare to the rest of Washington?
Cable internet speeds in Sammamish are much faster versus the average speeds in Washington: 0.00 Mbps in Washington versus 1,973 Mbps in the city. The state has similar cable availability compared to the city. Average cable coverage in Washington is 0.00% versus 99.87% in Sammamish.
What zip codes have cable internet?
Cable internet coverage varies by zip code and neighborhood. Some examples in or around Sammamish are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does cable 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
- Klahanie, WA: less cable coverage, slower speeds
- Issaquah, WA: less cable coverage, slower speeds
- Union Hill-Novelty Hill, WA: less cable coverage, slower speeds
- Bellevue, WA: less cable coverage, slower speeds
- Redmond, WA: less cable coverage, faster speeds
- Preston, WA: less cable coverage, faster speeds
- Carnation, WA: less cable coverage, slower speeds
- Fall City, WA: less cable coverage, faster speeds
- Beaux Arts Village, WA: more cable coverage, slower speeds
- Newcastle, WA: more cable coverage, slower speeds
Cities with Similar Populations
- St. Clair Shores, MI: more cable coverage, slower speeds
- Lansdale, PA: less cable coverage, slower speeds
- Massillon, OH: less cable coverage, slower speeds
- Medford, MA: less cable coverage, slower speeds
- Midwest City, OK: less cable coverage, faster speeds
- Mount Prospect, IL: less cable coverage, faster speeds
- Westminster, MD: less cable coverage, slower speeds
- Waxahachie, TX: less cable coverage, slower speeds
- Twin Falls, ID: less cable coverage, slower speeds
- Mason, OH: less cable coverage, slower speeds