In Quartz there are 2 residential DSL providers covering 70.87% of the city. The average home can get speeds up to 10 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 Quartz, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Quartz, CA please click below.
DSL Internet Service Providers in Quartz
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 Quartz are not shown.
Quartz 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 Quartz is DSL internet available?
DSL Internet Availability Key
DSL is available in 70.87% of Quartz. 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 Quartz above to see who has service at your home.
How fast is DSL internet in Quartz?
The map below shows maximum DSL internet speeds by area in Quartz.
DSL Internet Speed Key
The average Quartz home can get up to 10 Mbps on their DSL internet plan. The fastest DSL download speed in the city is 10 Mbps, which 70.87% of residents can get.
Is DSL the fastest internet I can get in Quartz?
The fastest internet for you may vary based on where in Quartz you live. In general, fixed wireless competes most often with DSL in the city.
- Fiber is the fastest internet type for less than 1% of Quartz homes.
- Cable is fastest for 28.51% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 70.87%.
- Satellite internet may be the only option for less than 1% of Quartz homes.
DSL Providers in Depth
Below you'll find which TV and internet providers offer service in Quartz, along with details on where in Quartz and at what speeds.
AT&T DSL in Quartz, CA
AT&T DSL coverage
About 70.67%, or 689 people, have AT&T DSL internet available to them in the city. The company covers the northeast, southeast, south, north, east, and central Quartz area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in much of Quartz.
AT&T DSL download speeds
AT&T is one of the slowest when comparing download speeds to all other internet providers in Quartz. Versus other DSL providers in the area, AT&T DSL is one of the fastest. There are no different maximum speeds throughout Quartz. The fastest plan anyone in Quartz can order from AT&T goes up to 10 Mbps, and all Quartz customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
AT&T DSL upload speeds
In Quartz download speeds tend to be faster than than upload speeds for AT&T DSL. Compared to other ISPs, AT&T is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Quartz DSL providers. AT&T offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Quartz is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
EarthLink DSL in Quartz, CA
EarthLink DSL coverage
About 70.67%, or 689 people, have EarthLink DSL internet available to them in the city. The company covers the northeast, southeast, south, north, east, and central Quartz area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in much of Quartz.
EarthLink DSL download speeds
EarthLink is one of the slowest when comparing download speeds to all other internet providers in Quartz. Versus other DSL providers in the area, EarthLink DSL is one of the fastest. There are no different maximum speeds throughout Quartz. The fastest plan anyone in Quartz can order from EarthLink goes up to 10 Mbps, and all Quartz customers can get this speed.
Show all download speeds
- 100.0% up to 10.0 Mbps
EarthLink DSL upload speeds
In Quartz download speeds tend to be faster than than upload speeds for EarthLink DSL. Compared to other ISPs, EarthLink is one of the slowest where upload speeds are concerned, and one of the fastest compared to other Quartz DSL providers. EarthLink offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Quartz is up to 1.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 1.0 Mbps
Quartz DSL by Area
This information is most helpful to those looking for homes or considering moving to Quartz or any of the areas nearby.
How does DSL internet in Quartz compare to the rest of California?
DSL internet speeds in Quartz are much faster versus the average speeds in California: 0.00 Mbps in California versus 10 Mbps in the city. The state has similar DSL availability compared to the city. Average DSL coverage in California is 0.00% versus 70.87% in Quartz.
What zip codes have DSL internet?
DSL internet coverage varies by zip code and neighborhood. Some examples in or around Quartz 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
- Jamestown, CA: more DSL coverage, similar speeds
- Tuttletown, CA: less DSL coverage, similar speeds
- Sonora, CA: less DSL coverage, similar speeds
- Columbia, CA: less DSL coverage, similar speeds
- Phoenix Lake, CA: less DSL coverage, similar speeds
- Vallecito, CA: less DSL coverage, similar speeds
- Copperopolis, CA: less DSL coverage, faster speeds
- Soulsbyville, CA: less DSL coverage, similar speeds
- Tuolumne, CA: less DSL coverage, similar speeds
- Standard, CA: less DSL coverage, similar speeds
Cities with Similar Populations
- Amberg, WI: more DSL coverage, faster speeds
- Vanoss, OK: less DSL coverage, similar speeds
- Callands, VA: more DSL coverage, faster speeds
- Brownsville, MN: more DSL coverage, faster speeds
- Berkey, OH: more DSL coverage, faster speeds
- Barronett, WI: more DSL coverage, faster speeds
- Atwood, CO: more DSL coverage, faster speeds
- Arco, ID: less DSL coverage, faster speeds
- Newton, WI: more DSL coverage, faster speeds
- Oakhurst, OK: less DSL coverage, faster speeds