In Heritage District there are 2 residential DSL providers covering 96.17% of the neighborhood. The average home can get speeds up to 70 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 Heritage District, Sunnyvale, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Heritage District, Sunnyvale, CA please click below.
Heritage District, Sunnyvale, CA Availability Maps
DSL Internet Service Providers in Heritage District
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 Heritage District are not shown.
Heritage District 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 Heritage District is DSL internet available?
DSL Internet Availability Key
DSL is available in 96.17% of Heritage District. 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 Heritage District above to see who has service at your home.
How fast is DSL internet in Heritage District?
The map below shows maximum DSL internet speeds by area in Heritage District.
DSL Internet Speed Key
The average Heritage District home can get up to 70 Mbps on their DSL internet plan. The fastest DSL download speed in the neighborhood is 100 Mbps, which 49.35% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 13.07% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in Heritage District.
DSL internet speeds tend to be faster in the central parts of Heritage District, and slower in the northwest areas of the neighborhood.
Is DSL the fastest internet I can get in Heritage District?
The fastest internet for you may vary based on where in Heritage District you live. In general, cable competes most often with DSL in the neighborhood.
- Fiber is the fastest internet type for 46.69% of Heritage District homes.
- Cable is fastest for 52.72% of the neighborhood.
- 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 Heritage District homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Heritage District, along with details on where in Heritage District and at what speeds.
AT&T DSL in Heritage District, Sunnyvale, CA
AT&T DSL coverage
About 96.17%, or 10,138 people, have AT&T DSL internet available to them in the neighborhood. The company covers the entire Heritage District area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in most of Heritage District.
AT&T DSL download speeds
AT&T is below average when comparing download speeds to all other internet providers in Heritage District. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are 5 different maximum speeds throughout Heritage District. The fastest plan anyone in Heritage District can order from AT&T goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the neighborhood-wide average maximum speed for Heritage District customers is up to 70 Mbps.
Show all download speeds
- 51.3% up to 100.0 Mbps
- 14.2% up to 75.0 Mbps
- 6.5% up to 50.0 Mbps
- 14.3% up to 25.0 Mbps
- 13.6% up to 10.0 Mbps
AT&T DSL upload speeds
In Heritage District 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 one of the fastest compared to other Heritage District DSL providers. AT&T offers 4 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Heritage District 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 15 Mbps.
Show all upload speeds
- 65.6% up to 20.0 Mbps
- 6.5% up to 10.0 Mbps
- 14.3% up to 5.0 Mbps
- 13.6% up to 1.0 Mbps
EarthLink DSL in Heritage District, Sunnyvale, CA
EarthLink DSL coverage
About 96.17%, or 10,138 people, have EarthLink DSL internet available to them in the neighborhood. The company covers the entire Heritage District area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in most of Heritage District.
EarthLink DSL download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Heritage District. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are 5 different maximum speeds throughout Heritage District. The fastest plan anyone in Heritage District can order from EarthLink goes up to 100 Mbps, the slowest package only goes up to 10 Mbps, and the neighborhood-wide average maximum speed for Heritage District customers is up to 70 Mbps.
Show all download speeds
- 51.3% up to 100.0 Mbps
- 14.2% up to 75.0 Mbps
- 6.5% up to 50.0 Mbps
- 14.3% up to 25.0 Mbps
- 13.6% up to 10.0 Mbps
EarthLink DSL upload speeds
In Heritage District 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 one of the fastest compared to other Heritage District DSL providers. EarthLink offers 4 different upload speeds across the neighborhood, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in Heritage District 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 15 Mbps.
Show all upload speeds
- 65.6% up to 20.0 Mbps
- 6.5% up to 10.0 Mbps
- 14.3% up to 5.0 Mbps
- 13.6% up to 1.0 Mbps
Heritage District DSL by Area
This information is most helpful to those looking for homes or considering moving to Heritage District or any of the areas nearby.
How does DSL internet in Heritage District compare to the rest of Sunnyvale?
DSL internet speeds in Heritage District are much faster versus the average speeds in Sunnyvale: 0.00 Mbps in Sunnyvale versus 70 Mbps in the neighborhood. The city has similar DSL availability compared to the neighborhood. Average DSL coverage in Sunnyvale is 0.00% versus 96.17% in Heritage District.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Heritage District 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 neighborhoods?
Below are neighborhoods nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Neighborhoods
- Lowlanders, Sunnyvale, CA: less DSL coverage, faster speeds
- Sunnyvale West, Sunnyvale, CA: less DSL coverage, faster speeds
- Snail, Sunnyvale, CA: less DSL coverage, faster speeds
- San Miguel, Sunnyvale, CA: less DSL coverage, faster speeds
- Ponderosa Park, Sunnyvale, CA: more DSL coverage, faster speeds
- Whisman Station, Mountain View, CA: less DSL coverage, faster speeds
- Lakewood, Sunnyvale, CA: less DSL coverage, slower speeds
- Martens-Carmelita, Mountain View, CA: less DSL coverage, faster speeds
- Birdland Neighbors, Sunnyvale, CA: less DSL coverage, faster speeds
- North Whisman, Mountain View, CA: less DSL coverage, faster speeds
Neighborhoods with Similar Populations
- Belltown, Seattle, WA: less DSL coverage, faster speeds
- Brays Oaks, Houston, TX: more DSL coverage, faster speeds
- Central Davis, Davis, CA: less DSL coverage, faster speeds
- Downtown, Las Vegas, NV: less DSL coverage, slower speeds
- Highland Park, San Antonio, TX: less DSL coverage, slower speeds
- Falls of Neuse, Raleigh, NC: less DSL coverage, slower speeds
- Green Mountain, Lakewood, CO: less DSL coverage, faster speeds
- South East Torrance, Torrance, CA: less DSL coverage, faster speeds
- Mann, Iowa City, IA: less DSL coverage, faster speeds
- New North End, Burlington, VT: more DSL coverage, slower speeds