In Quartz there are 10 residential internet providers covering 99.38% of the city. The average home can get speeds up to 469 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.
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10 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
Availability maps for all providers in Quartz
Using the dropdown below, please select a provider. Green indicates nearly all homes have service, red indicates few homes have service, and blank indicates no service.
Please note some providers will take longer to load than others
Internet service is available in 99.38% of Quartz. Using our interactive availability map, you can compare service areas for different providers, we include fiber, cable, DSL, or fixed wireless internet service for all providers who offer it. You will notice that some providers might be listed multiple times for each service. If you find no providers cover the location you're looking at, you can opt for satellite service. The most widely available provider is XFINITY. Now you can call companies in Quartz with more confidence that they might be available.
How fast are internet speeds in Quartz?
The map below shows maximum internet speeds by area in Quartz.
Internet Speed Key
The average Quartz home can get up to 469 Mbps on their internet plan. For most people, the fastest download speed in the city is 1,200 Mbps, which 28.51% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 44.51% of homes can only purchase plans up to 100 Mbps. See the internet provider details below for info about their speed and coverage in Quartz.
Internet speeds tend to be faster in the south parts of Quartz, and slower in the east areas of the city.
What type of internet should I choose in Quartz?
The fastest internet for you may vary based on where in Quartz you live. If speed is your main concern, fixed wireless will be the fastest internet 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.
Internet Market Health in Quartz
Internet Competition Key
The map shows how competitive the Quartz internet service market is. Areas in green have more alternatives, areas in yellow have a few choices, and areas in red may have only one provider. More competition usually means faster speeds and better prices for you, the customer.
Below are quick facts on internet competition and market health in Quartz based on what connections the average home has availabile:
- Average number of internet service providers to a home: 6.0 (healthy)
- Average types of service (fiber, cable, DSL, etc): 2.0 (unhealthy)
- Average providers with broadband (25 Mbps+) speeds: 4.5 (healthy)
Overall, competition is healthy.
Quartz internet customers have the ability to buy internet service from 2 to 9 different providers, depending on where they live. For different types of service, Quartz homes have between 1 and 3 options. The type(s) of service available are fixed wireless, dsl, and cable, though these may vary depending on the region within the city.
When it comes to broadband download speeds faster than 25 Mbps, the situation is worse. Quartz internet customers who want faster speeds have between 2 and 7 choices of companies offering speeds up to or over 25 Mbps.
More internet companies with faster speeds means fewer monopolies and better prices for customers. In promoting a free market for internet, Quartz is doing better than most.
TV & Internet 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
XFINITY from Comcast Cable in Quartz, CA
XFINITY cable coverage
About 28.51%, or 278 people, have XFINITY cable internet available to them in the city. The company covers the south, northeast, and central Quartz area. XFINITY is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Quartz.
XFINITY from Comcast cable download speeds
XFINITY is the fastest when comparing download speeds to all other internet providers in Quartz. Versus other cable providers in the area, XFINITY cable is the fastest. There are no different maximum speeds throughout Quartz. The fastest plan anyone in Quartz can order from XFINITY goes up to 1,200 Mbps, and all Quartz customers can get this speed.
Show all download speeds
- 100.0% up to 1,200.0 Mbps
XFINITY from Comcast cable upload speeds
In Quartz download speeds tend to be faster than than upload speeds for XFINITY cable. Compared to other ISPs, XFINITY is the fastest where upload speeds are concerned, and the fastest compared to other Quartz cable providers. XFINITY offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Quartz is up to 35 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 35.0 Mbps
Conifer Communications Fixed Wireless in Quartz, CA
Conifer Communications fixed wireless coverage
About 98.46%, or 960 people, have Conifer Communications fixed wireless internet available to them in the city. The company covers the entire Quartz area. Conifer Communications is a large internet service provider internet service providers in the US, with internet service available in most of Quartz.
Conifer Communications fixed wireless download speeds
Conifer Communications is below average when comparing download speeds to all other internet providers in Quartz. Versus other fixed wireless providers in the area, Conifer Communications fixed wireless is above average. There are no different maximum speeds throughout Quartz. The fastest plan anyone in Quartz can order from Conifer Communications goes up to 100 Mbps, and all Quartz customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Conifer Communications fixed wireless upload speeds
In Quartz download speeds tend to be faster than than upload speeds for Conifer Communications fixed wireless. Compared to other ISPs, Conifer Communications is average where upload speeds are concerned, and average compared to other Quartz fixed wireless providers. Conifer Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Quartz is up to 10 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10.0 Mbps
Cal.net Fixed Wireless in Quartz, CA
Cal.net fixed wireless coverage
About 97.44%, or 950 people, have Cal.net fixed wireless internet available to them in the city. The company covers the northeast, southeast, north, south, east, central, and west Quartz area. Cal.net is a large internet service provider internet service providers in the US, with internet service available in most of Quartz.
Cal.net fixed wireless download speeds
Cal.net is below average when comparing download speeds to all other internet providers in Quartz. Versus other fixed wireless providers in the area, Cal.net fixed wireless is above average. There are no different maximum speeds throughout Quartz. The fastest plan anyone in Quartz can order from Cal.net goes up to 100 Mbps, and all Quartz customers can get this speed.
Show all download speeds
- 100.0% up to 100.0 Mbps
Cal.net fixed wireless upload speeds
In Quartz download speeds tend to be faster than than upload speeds for Cal.net fixed wireless. Compared to other ISPs, Cal.net is above average where upload speeds are concerned, and one of the fastest compared to other Quartz fixed wireless providers. Cal.net offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Quartz is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
T-Mobile Home Internet Fixed Wireless in Quartz, CA
T-Mobile Home Internet fixed wireless coverage
About 92.21%, or 899 people, have T-Mobile Home Internet fixed wireless internet available to them in the city. The company covers the northeast, north, south, southeast, east, central, and southwest Quartz area. T-Mobile Home Internet is one of the largest internet service providers internet service providers in the US, with internet service available in most of Quartz.
T-Mobile Home Internet fixed wireless download speeds
T-Mobile Home Internet is below average when comparing download speeds to all other internet providers in Quartz. Versus other fixed wireless providers in the area, T-Mobile Home Internet fixed wireless is below average. There are no different maximum speeds throughout Quartz. The fastest plan anyone in Quartz can order from T-Mobile Home Internet goes up to 25 Mbps, and all Quartz customers can get this speed.
Show all download speeds
- 100.0% up to 25.0 Mbps
T-Mobile Home Internet fixed wireless upload speeds
In Quartz download speeds tend to be faster than than upload speeds for T-Mobile Home Internet fixed wireless. Compared to other ISPs, T-Mobile Home Internet is average where upload speeds are concerned, and below average compared to other Quartz fixed wireless providers. T-Mobile Home Internet offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Quartz is up to 3.0 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 3.0 Mbps
Verizon Fixed Wireless in Quartz, CA
Verizon fixed wireless coverage
About 54.87%, or 535 people, have Verizon fixed wireless internet available to them in the city. The company covers the northeast, south, southeast, north, and central Quartz area. Verizon is one of the largest internet service providers internet service providers in the US, with internet service available in a majority of Quartz.
Verizon fixed wireless download speeds
Verizon is above average when comparing download speeds to all other internet providers in Quartz. Versus other fixed wireless providers in the area, Verizon fixed wireless is the fastest. There are no different maximum speeds throughout Quartz. The fastest plan anyone in Quartz can order from Verizon goes up to 300 Mbps, and all Quartz customers can get this speed.
Show all download speeds
- 100.0% up to 300.0 Mbps
Verizon fixed wireless upload speeds
In Quartz download speeds tend to be faster than than upload speeds for Verizon fixed wireless. Compared to other ISPs, Verizon is above average where upload speeds are concerned, and one of the fastest compared to other Quartz fixed wireless providers. Verizon offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Quartz is up to 20 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 20.0 Mbps
EarthLink Fixed Wireless in Quartz, CA
EarthLink fixed wireless coverage
About 30.05%, or 293 people, have EarthLink fixed wireless internet available to them in the city. The company covers the northeast, south, and central Quartz area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in a small portion of Quartz.
EarthLink fixed wireless download speeds
EarthLink is below average when comparing download speeds to all other internet providers in Quartz. Versus other fixed wireless providers in the area, EarthLink fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Quartz. The fastest plan anyone in Quartz can order from EarthLink goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Quartz customers is up to 23 Mbps.
Show all download speeds
- 84.3% up to 25.0 Mbps
- 15.7% up to 10.0 Mbps
EarthLink fixed wireless upload speeds
In Quartz download speeds tend to be faster than than upload speeds for EarthLink fixed wireless. Compared to other ISPs, EarthLink is average where upload speeds are concerned, and one of the slowest compared to other Quartz fixed wireless providers. EarthLink 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 Quartz is up to 3.0 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 2.7 Mbps.
Show all upload speeds
- 84.3% up to 3.0 Mbps
- 15.7% up to 1.0 Mbps
AT&T Fixed Wireless in Quartz, CA
AT&T fixed wireless coverage
About 30.05%, or 293 people, have AT&T fixed wireless internet available to them in the city. The company covers the northeast, south, 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 a small portion of Quartz.
AT&T fixed wireless download speeds
AT&T is below average when comparing download speeds to all other internet providers in Quartz. Versus other fixed wireless providers in the area, AT&T fixed wireless is one of the slowest. There are 2 different maximum speeds throughout Quartz. The fastest plan anyone in Quartz can order from AT&T goes up to 25 Mbps, the slowest package only goes up to 10 Mbps, and the city-wide average maximum speed for Quartz customers is up to 23 Mbps.
Show all download speeds
- 84.3% up to 25.0 Mbps
- 15.7% up to 10.0 Mbps
AT&T fixed wireless upload speeds
In Quartz download speeds tend to be faster than than upload speeds for AT&T fixed wireless. Compared to other ISPs, AT&T is average where upload speeds are concerned, and one of the slowest compared to other Quartz fixed wireless providers. AT&T 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 Quartz is up to 3.0 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 2.7 Mbps.
Show all upload speeds
- 84.3% up to 3.0 Mbps
- 15.7% up to 1.0 Mbps
Sierra Nevada Communications Fixed Wireless in Quartz, CA
Sierra Nevada Communications fixed wireless coverage
About 26.05%, or 254 people, have Sierra Nevada Communications fixed wireless internet available to them in the city. The company covers the south and southeast Quartz area. Sierra Nevada Communications is a small internet service provider internet service providers in the US, with internet service available in a small portion of Quartz.
Sierra Nevada Communications fixed wireless download speeds
Sierra Nevada Communications is below average when comparing download speeds to all other internet providers in Quartz. Versus other fixed wireless providers in the area, Sierra Nevada Communications fixed wireless is below average. There are no different maximum speeds throughout Quartz. The fastest plan anyone in Quartz can order from Sierra Nevada Communications goes up to 30 Mbps, and all Quartz customers can get this speed.
Show all download speeds
- 100.0% up to 30.0 Mbps
Sierra Nevada Communications fixed wireless upload speeds
In Quartz download speeds tend to be faster than than upload speeds for Sierra Nevada Communications fixed wireless. Compared to other ISPs, Sierra Nevada Communications is average where upload speeds are concerned, and average compared to other Quartz fixed wireless providers. Sierra Nevada Communications offers no different upload speeds across the city. The fastest upload speed available to anyone from this ISP in Quartz is up to 10 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 10.0 Mbps
Quartz Internet 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 internet in Quartz compare to the rest of California?
Internet speeds in Quartz are much slower versus the average speeds in California: 3,631 Mbps in California versus 469 Mbps in the city. The state has similar internet availability compared to the city. Average internet coverage in California is 98.73% versus 99.38% in Quartz.
What zip codes have widespread internet?
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 internet service 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: less internet coverage, faster speeds
- Tuttletown, CA: more internet coverage, slower speeds
- Keystone, CA: less internet coverage, slower speeds
- Sonora, CA: more internet coverage, faster speeds
- Chinese Camp, CA: more internet coverage, slower speeds
- Columbia, CA: less internet coverage, faster speeds
- Phoenix Lake, CA: more internet coverage, faster speeds
- Vallecito, CA: less internet coverage, faster speeds
- Copperopolis, CA: more internet coverage, faster speeds
- Soulsbyville, CA: more internet coverage, faster speeds
Cities with Similar Populations
- Amberg, WI: less internet coverage, faster speeds
- Vanoss, OK: less internet coverage, slower speeds
- Callands, VA: more internet coverage, faster speeds
- Walnut, IA: more internet coverage, faster speeds
- Brownsville, MN: less internet coverage, faster speeds
- Berkey, OH: more internet coverage, faster speeds
- Barronett, WI: more internet coverage, slower speeds
- Atwood, CO: more internet coverage, faster speeds
- Arco, ID: more internet coverage, faster speeds
- Pippa Passes, KY: less internet coverage, faster speeds