In Redwood City there are 4 residential DSL providers covering 78.19% of the city. The average home can get speeds up to 139 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 Redwood City, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Redwood City, CA please click below.
Redwood City, CA Availability Maps
DSL Internet Service Providers in Redwood City
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 Redwood City are not shown.
Redwood City 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 Redwood City is DSL internet available?
DSL Internet Availability Key
DSL is available in 78.19% of Redwood City. Areas in green have DSL internet service, where areas in yellow or red may not. The most widely available provider is AT&T. Call one of the companies with service in Redwood City above to see who has service at your home.
How fast is DSL internet in Redwood City?
The map below shows maximum DSL internet speeds by area in Redwood City.
DSL Internet Speed Key
The average Redwood City home can get up to 139 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 1,000 Mbps, which 5.93% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 12.27% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Redwood City.
DSL internet speeds tend to be faster in the northeast parts of Redwood City, and slower in the west areas of the city.
Is DSL the fastest internet I can get in Redwood City?
The fastest internet for you may vary based on where in Redwood City you live. In general, fiber competes most often with DSL in the city.
- Fiber is the fastest internet type for 80.65% of Redwood City homes.
- Cable is fastest for 19.09% 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 Redwood City homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Redwood City, along with details on where in Redwood City and at what speeds.
EarthLink DSL in Redwood City, CA
EarthLink DSL coverage
About 77.95%, or 72,013 people, have EarthLink DSL internet available to them in the city. The company covers the entire Redwood City area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Redwood City.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Redwood City. Versus other DSL providers in the area, EarthLink DSL is one of the slowest. There are 5 different maximum speeds throughout Redwood City. The fastest plan anyone in Redwood City can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Redwood City customers is up to 69 Mbps.
Show all download speeds
- 47.9% up to 100.0 Mbps
- 13.7% up to 75.0 Mbps
- 14.4% up to 50.0 Mbps
- 6.8% up to 25.0 Mbps
- 17.2% up to 10.0 Mbps
EarthLink DSL upload speeds
In Redwood City download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is below average where upload speeds are concerned, and below average compared to other Redwood City DSL providers. EarthLink 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 Redwood City is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 14 Mbps.
Show all upload speeds
- 61.6% up to 20.0 Mbps
- 14.4% up to 10.0 Mbps
- 6.8% up to 5.0 Mbps
- 17.2% up to 1.0 Mbps
AT&T DSL in Redwood City, CA
AT&T DSL coverage
About 77.95%, or 72,013 people, have AT&T DSL internet available to them in the city. The company covers the entire Redwood City area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Redwood City.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Redwood City. Versus other DSL providers in the area, AT&T DSL is one of the slowest. There are 5 different maximum speeds throughout Redwood City. The fastest plan anyone in Redwood City can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Redwood City customers is up to 69 Mbps.
Show all download speeds
- 47.9% up to 100.0 Mbps
- 13.7% up to 75.0 Mbps
- 14.4% up to 50.0 Mbps
- 6.8% up to 25.0 Mbps
- 17.2% up to 10.0 Mbps
AT&T DSL upload speeds
In Redwood City download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is below average where upload speeds are concerned, and below average compared to other Redwood City DSL providers. AT&T 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 Redwood City is up to 20 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, AT&T customers can get speeds up to 14 Mbps.
Show all upload speeds
- 61.6% up to 20.0 Mbps
- 14.4% up to 10.0 Mbps
- 6.8% up to 5.0 Mbps
- 17.2% up to 1.0 Mbps
Astound Broadband DSL in Redwood City, CA
Astound Broadband DSL coverage
About 3.42%, or 3,163 people, have Astound Broadband DSL internet available to them in the city. The company covers the east, northeast, southeast, south, north, and central Redwood City 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 Redwood City.
Astound Broadband DSL download speeds
Astound Broadband is below average when comparing download speeds to all other internet providers in Redwood City. Versus other DSL providers in the area, Astound Broadband DSL is one of the fastest. There are no different maximum speeds throughout Redwood City. The fastest plan anyone in Redwood City can order from Astound Broadband goes up to 1,000 Mbps, and all Redwood City customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Astound Broadband DSL upload speeds
In Redwood City 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 slowest compared to other Redwood City DSL providers. Astound Broadband offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Redwood City is up to 10 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10.0 Mbps
Sail Internet DSL in Redwood City, CA
Sail Internet DSL coverage
About 2.50%, or 2,312 people, have Sail Internet DSL internet available to them in the city. The company covers the northeast and north Redwood City area. Sail Internet is a large internet service provider internet service providers in the US, with internet service available in a very small piece of Redwood City.
Sail Internet DSL download speeds
Sail Internet is below average when comparing download speeds to all other internet providers in Redwood City. Versus other DSL providers in the area, Sail Internet DSL is one of the fastest. There are no different maximum speeds throughout Redwood City. The fastest plan anyone in Redwood City can order from Sail Internet goes up to 1,000 Mbps, and all Redwood City customers can get this speed.
Show all download speeds
- 100.0% up to 1,000.0 Mbps
Sail Internet DSL upload speeds
In Redwood City download speeds tend to be equal to than upload speeds for Sail Internet DSL. Compared to other ISPs, Sail Internet is below average where upload speeds are concerned, and the fastest compared to other Redwood City DSL providers. Sail Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Redwood City is up to 1,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1,000.0 Mbps
Redwood City DSL by Area
This information is most helpful to those looking for homes or considering moving to Redwood City or any of the areas nearby.
How does DSL internet in Redwood City compare to the rest of California?
DSL internet speeds in Redwood City are much faster versus the average speeds in California: 0.00 Mbps in California versus 139 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 78.19% in Redwood City.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Redwood City 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
- North Fair Oaks, CA: more DSL coverage, faster speeds
- San Carlos, CA: less DSL coverage, slower speeds
- Atherton, CA: more DSL coverage, slower speeds
- Menlo Park, CA: more DSL coverage, slower speeds
- Woodside, CA: less DSL coverage, slower speeds
- Belmont, CA: less DSL coverage, slower speeds
- Foster City, CA: less DSL coverage, faster speeds
- East Palo Alto, CA: more DSL coverage, slower speeds
- Stanford, CA: less DSL coverage, slower speeds
- Palo Alto, CA: more DSL coverage, slower speeds
Cities with Similar Populations
- North Port, FL: less DSL coverage, slower speeds
- North Las Vegas, NV: more DSL coverage, slower speeds
- Norristown, PA: less DSL coverage, slower speeds
- New Orleans, LA: less DSL coverage, slower speeds
- North Hollywood, CA: more DSL coverage, slower speeds
- North Hills, CA: less DSL coverage, slower speeds
- New Port Richey, FL: less DSL coverage, slower speeds
- Noblesville, IN: more DSL coverage, slower speeds
- New York, NY: less DSL coverage, slower speeds
- Northridge, CA: less DSL coverage, slower speeds