Best Internet Providers in Keystone, CA
All 6 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Keystone, CA
Keystone has 6 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 1 available internet technologies in Keystone.
Ranks compare Keystone with the 15,682 US towns of 1,000 to 9,999 people, the tiers of our fastest-cities rankings.
Keystone Internet Providers, Ranked by Coverage, Speed and Customer Ratings
Conifer Communications
Connection
Customer Rating
Fixed Wireless
EarthLink
Connection
Customer Rating
Fixed Wireless
T-Mobile Home Internet
Connection
Customer Rating
Fixed Wireless
unWired Broadband
Connection
Customer Rating
Fixed Wireless
Providers with less than 1% coverage in this city are excluded from the list. To see if one of these providers is available at your home, please use the address search above.
Speed and technology may vary by address for all providers. Please note we may have a financial relationship with some of the providers above, which does not impact the customer ratings displayed. Customer ratings listed above are national ratings, local Keystone ratings may vary and are shown below.
Who is the Best Internet Provider in Keystone, CA?
Which Providers are Available at my Home in Keystone?
Coverage changes block by block. Pick a provider and a technology to see where its service reaches: the darker the area, the larger the share of homes it covers. For your exact address, use the address search above.

Coverage map for each provider in Keystone
How Keystone Compares to Places Its Size
Keystone's report card score is in the bottom 1% and its connectivity index is in the bottom 22%.
| Measure | Keystone | Rank among US towns of 1,000 to 9,999 people | Tuolumne County | California | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 0.0% | bottom 8% | 4.2% | 62.4% | 71.5% | 1,056 places at 100.0% |
| Average top speed | 100 Mbps | bottom 1% | 1,411 Mbps | 3,834 Mbps | 3,486 Mbps | Collegedale, TN and Lakesite, TN and 2 more (25,000 Mbps) |
| Providers at a typical address | 1.1 | bottom 1% | 6.1 | 8 | 7.1 | McLendon-Chisholm, TX (14.2) |
| Connectivity index inputs: how much households need and use the internet | ||||||
| People per household | 2.3 | bottom 28% | 2.3 | 3.0 | 2.7 | St. George, GA (6.2) |
| Workers who work from home | 10% | top 46% | 14% | 17% | 15% | Indian Springs, NV (76%) |
| Homes with a computer, tablet or phone | 98% | top 10% | 94% | 97% | 96% | 515 places at 100% |
| Homes with internet | 88% | bottom 50% | 89% | 94% | 91% | 115 places at 100% |
| Homes on fiber, cable or DSL | 45% | bottom 12% | 60% | 79% | 76% | Bunkerville, NV and Fort Myer, VA and 3 more (100%) |
| More about the households here | ||||||
| Homes with a desktop or laptop | 71% | bottom 38% | 76% | 84% | 81% | 12 places at 100% |
| Median household income | $68,001 | bottom 39% | $82,328 | $111,728 | $93,246 | 16 places at $250,001 |
| Residents in school (6th grade to college) | 18% | top 9% | 13% | 17% | 16% | University Park, PA (95%) |
Fiber reaches 0.0% of homes in Keystone, against 4.2% across Tuolumne County and 62.4% across California. Households in Keystone are smaller than the US average (2.3 people against 2.7); 10% of workers work from home (US 15%); and the median household income is $68,001 (US $93,246).
Our demographic data is sourced from the latest 5-year release of the American Community Survey by the US Census Bureau.
Fiber, 5G, Cable and DSL Internet in Keystone
Which Fiber Internet Providers are Available in Keystone?
According to the most recently submitted data by internet service providers to the FCC, there are currently no fiber providers available in Keystone, CA.
Which Fixed Wireless and LTE Internet Providers are Available in Keystone?
Conifer Communications Fixed Wireless in Keystone, CA
Conifer Communications offers Fixed Wireless service to 94.8% of Keystone homes. Across the city, Conifer Communications Fixed Wireless is the only type of service available from the company, with speeds up to 100 Mbps
T-Mobile Home Internet Fixed Wireless in Keystone, CA
T-Mobile Home Internet offers Fixed Wireless service to 2.6% of Keystone homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 79 Mbps, with speeds from 25 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 20, with an average of 15 Mbps throughout the city.
unWired Broadband Fixed Wireless in Keystone, CA
unWired Broadband offers Fixed Wireless service to 2.0% of Keystone homes. Across the city, unWired Broadband Fixed Wireless is the only type of service available from the company, with speeds up to 50 Mbps
Caltel Connect Fixed Wireless in Keystone, CA
Caltel Connect offers Fixed Wireless service to 1.8% of Keystone homes. Across the city, Caltel Connect Fixed Wireless is the only type of service available from the company, with speeds up to 25 Mbps
EarthLink Fixed Wireless in Keystone, CA
EarthLink offers Fixed Wireless service to 1.1% of Keystone homes. Across the city, EarthLink Fixed Wireless is the only type of service available from the company, with speeds up to 17 Mbps, with speeds from 10 Mpbs up to 25 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 3.0, with an average of 2.0 Mbps throughout the city.
AT&T Fixed Wireless in Keystone, CA
AT&T offers Fixed Wireless service to 1.1% of Keystone homes. Across the city, AT&T Fixed Wireless is the only type of service available from the company, with speeds up to 17 Mbps, with speeds from 10 Mpbs up to 25 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 3.0, with an average of 2.0 Mbps throughout the city.
Which Cable Internet Providers are Available in Keystone?
According to the most recently submitted data by internet service providers to the FCC, there are currently no cable providers available in Keystone, CA.
Which DSL Internet Providers are Available in Keystone?
According to the most recently submitted data by internet service providers to the FCC, there are currently no DSL providers available in Keystone, CA.
Internet in Keystone by Neighborhood and ZIP Code
Each row links to that place’s page.
Neighborhoods in Keystone
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
ZIP codes in Keystone
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
How Keystone Compares to Nearby Places
The 10 places nearest to Keystone that have their own pages are all within 14 miles. Among them, Copperopolis has the most homes with fiber (55.8%) and Angels the fewest (0.0%); Keystone has 0.0%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Keystone (this page) | 3,068 | 0.0% | 100 Mbps | 1.1 | F | 33/100 |
| Sonora | 20,054 | 0.0% | 1,626 Mbps | 6.8 | C | 46/100 |
| Jamestown | 5,292 | 0.0% | 1,299 Mbps | 6.5 | C- | 38/100 |
| Copperopolis | 4,577 | 55.8% | 603 Mbps | 4.2 | D+ | 47/100 |
| Columbia | 3,812 | 0.0% | 1,146 Mbps | 6.6 | C- | 38/100 |
| Angels | 3,667 | 0.0% | 1,567 Mbps | 6.2 | C- | 52/100 |
| Quartz | 975 | 0.0% | 492 Mbps | 6.2 | D+ | 30/100 |
| Altaville | 801 | 0.0% | 433 Mbps | 6.9 | D+ | 69/100 |
| Vallecito | 629 | 0.0% | 819 Mbps | 3.9 | D- | 35/100 |
| Tuttletown | 400 | 0.0% | 236 Mbps | 7.4 | D+ | 60/100 |
| Chinese Camp | 161 | 0.0% | 100 Mbps | 3.7 | D- | 20/100 |
Who is the Fastest Internet Provider in Keystone?
Data Reported to FCC by ISPs: Average Maximum Available in Keystone
| Conifer Communications | 100 |
|---|---|
| Viasat | 100 |
| T-Mobile Home Internet | 100 |
| unWired Broadband | 50 |
| HughesNet | 25 |
| Caltel Connect | 25 |
| AT&T | 25 |
| EarthLink | 25 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in Keystone. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Keystone Internet Providers
Local, State, and National Ratings for all Keystone Internet Providers
The table below shows average customer ratings from customers in Keystone, California, and customers throughout the country.
| ISP / Tech Type | Keystone Overall | California Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| unWired Broadband | (0) | (1) | (1) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| Caltel Connect | (0) | (0) | (0) | View Plans | ||
| Conifer Communications | (0) | (0) | (0) | View Plans |
Customer Ratings for Internet Provider Speeds in Keystone
Based on data reported by Keystone ISPs to the FCC, the fastest speeds in the city are available through Conifer Communications. The company offers speeds up to 100 Mbps in Keystone. Therefore, the average customer can get up to 100 Mbps if they’re willing to purchase the fastest subscription tier available at their homes.
| ISP / Tech Type | Keystone Speed | California Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| unWired Broadband | (0) | (1) | (1) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| Caltel Connect | (0) | (0) | (0) | View Plans | ||
| Conifer Communications | (0) | (0) | (0) | View Plans |
Who is the Cheapest Internet Provider in Keystone?
The table below shows how customers in Keystone, California, and the United States rated the affordability of their internet service.
Rated Affordability in Keystone
| ISP / Tech Type | Keystone Affordability | California Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| unWired Broadband | (0) | (1) | (1) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| Caltel Connect | (0) | (0) | (0) | View Plans | ||
| Conifer Communications | (0) | (0) | (0) | View Plans |
Customer Reviews for Internet Service Providers in California
Customer Reviews
Steve
ting Fiber
November 13, 2026 Slow, 1/10th the speed they advertised
Robert
Verizon Fixed Wireless
November 10, 2026 Was cut off with .out notice due to upgrade and was not provided connection to upgrade from the same location (tower). Causing further problems in service and added cost.
ISPReports User
AT&T DSL
November 08, 2026 Lousy
ISPReports User
Fidium
November 08, 2026 Vernice
Frontier Fiber
November 01, 2026 Horrible this is horrible. My internet has been down for two days in a half. Never again
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Which ISP Should You Choose in Keystone?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The fastest internet provider should be Conifer Communications.
- Viasat, HughesNet, and Conifer Communications has the broadest coverage in Keystone, available to 94.8% of homes, and is most likely to cover your home. To find out exactly what’s available at your home, please use our address search tool.
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