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Best Internet Providers in Keystone, CA

All 6 providers, ranked by coverage, speed and customer ratings

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.

This page reflects the most recent FCC update from October 19, 2026, based on the Broadband Data Collection as of December 31, 2025.

What changed
Homes with fiber0.0%Tuolumne County 4.2%bottom 8%
Average top speed100 MbpsTuolumne County 1,411 Mbpsbottom 1%
Providers61.1 at a typical addressbottom 1%
Homes with internet88%Tuolumne County 89%bottom 50%
ISP Report CardFscore 1 of 100bottom 1%
Connectivity index33/100Tuolumne County 43/100bottom 22%

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

Conifer Communications logo

Availability:

94.8%

Customer Rating:

0.0 of 5 stars

(0)

View Plans

Price: $50.00 - $125.00 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Keystone.

Max Download Speed InfoCalculated from the maximum speeds available to most Keystone residents, weighted by block population.

Customer Rating

Fixed Wireless

94.8%

100 Mbps

100 Mbps

Wireless: 0.0 of 5 stars

(0)

EarthLink

EarthLink logo

Availability:

1.1%

Customer Rating:

3.4 of 5 stars

(15)

View Plans

1-877-418-2092 Price: Starting at $39.95 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Keystone.

Max Download Speed InfoCalculated from the maximum speeds available to most Keystone residents, weighted by block population.

Customer Rating

Fixed Wireless

1.1%

17 Mbps

25 Mbps

Wireless: 3.3 of 5 stars

(4)

T-Mobile Home Internet

T-Mobile Home Internet logo

Availability:

2.6%

Customer Rating:

4.0 of 5 stars

(342)

View Plans

1-833-601-2935 Price: Starting at $55.00 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Keystone.

Max Download Speed InfoCalculated from the maximum speeds available to most Keystone residents, weighted by block population.

Customer Rating

Fixed Wireless

2.6%

79 Mbps

100 Mbps

Wireless: 4.0 of 5 stars

(342)

unWired Broadband

unWired Broadband logo

Availability:

2.0%

Customer Rating:

5.0 of 5 stars

(1)

View Plans

Price: $49.99 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Keystone.

Max Download Speed InfoCalculated from the maximum speeds available to most Keystone residents, weighted by block population.

Customer Rating

Fixed Wireless

2.0%

50 Mbps

50 Mbps

Wireless: 5.0 of 5 stars

(1)

Caltel Connect

Caltel Connect logo

Availability:

1.8%

Customer Rating:

0.0 of 5 stars

(0)

View Plans

Price:

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Keystone.

Max Download Speed InfoCalculated from the maximum speeds available to most Keystone residents, weighted by block population.

Customer Rating

Fixed Wireless

1.8%

25 Mbps

25 Mbps

Wireless: 0.0 of 5 stars

(0)

AT&T

AT&T logo

Availability:

1.1%

Customer Rating:

3.6 of 5 stars

(1051)

View Plans

1-877-610-1219 Price: Starting at $55.00 / mo.

Connection

Availability

Avg. Download Speed InfoThe highest download speed available in Keystone.

Max Download Speed InfoCalculated from the maximum speeds available to most Keystone residents, weighted by block population.

Customer Rating

Fixed Wireless

1.1%

17 Mbps

25 Mbps

Wireless: 3.6 of 5 stars

(205)

Satellite providers, which generally offer 100% coverage across the United States, are available for Keystone residents as well. Some of the top satellite options include Dish Network, DirecTV, HughesNet, Viasat, and Starlink. These providers offer varied services and pricing, giving residents flexibility in choosing the best option for their location and needs.

Starlink

Starlink logo

Availability:

100%

Customer Rating:

3.9 of 5 stars

(65)

View Plans

Price: $55.00 - $130.00 / mo.

Viasat

Viasat logo

Availability:

100%

Customer Rating:

1.7 of 5 stars

(12)

View Plans

1-833-875-1370 Price: $69.99 - $179.99 / mo.

DirecTV

DirecTV logo

Availability:

100%

Customer Rating:

4.3 of 5 stars

(9)

Dish

Dish logo

Availability:

100%

Customer Rating:

3.7 of 5 stars

(13)

View Plans

1-833-875-1332 Price: $55.00 / mo.

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.

Keystone, CA map of internet availability

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%.

Fscore 1 of 100ISP Report CardGrades what providers offer: fiber availability, the download speed most homes can get and the number of providers at a typical address.bottom 1%
33/100Tuolumne County 43/100, US 69/100Digital Connectivity IndexMeasures how much households need and use the internet: household size, working from home, devices and subscriptions.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 logo

Availability:

94.8%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

100 Mbps

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, with speeds from 100 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 10 and as high as 10, with an average of 10 Mbps throughout the city. Conifer Communications Fixed Wireless is rated other types of internet service available in Keystone from Conifer Communications in terms of customer satisfaction.

T-Mobile Home Internet Fixed Wireless in Keystone, CA

T-Mobile Home Internet logo

Availability:

2.6%

Customer Rating:

4.0 of 5 stars

(342)

Avg. Download Speed

79 Mbps

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. T-Mobile Home Internet Fixed Wireless is rated other types of internet service available in Keystone from T-Mobile Home Internet in terms of customer satisfaction.

unWired Broadband Fixed Wireless in Keystone, CA

unWired Broadband logo

Availability:

2.0%

Customer Rating:

5.0 of 5 stars

(1)

Avg. Download Speed

50 Mbps

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, with speeds from 50 Mpbs up to 50 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 12 and as high as 12, with an average of 12 Mbps throughout the city. unWired Broadband Fixed Wireless is rated other types of internet service available in Keystone from unWired Broadband in terms of customer satisfaction.

Caltel Connect Fixed Wireless in Keystone, CA

Caltel Connect logo

Availability:

1.8%

Customer Rating:

 of 5 stars

(0)

Avg. Download Speed

25 Mbps

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, with speeds from 25 Mpbs up to 25 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 3.0 and as high as 3.0, with an average of 3.0 Mbps throughout the city. Caltel Connect Fixed Wireless is rated other types of internet service available in Keystone from Caltel Connect in terms of customer satisfaction.

EarthLink Fixed Wireless in Keystone, CA

EarthLink logo

Availability:

1.1%

Customer Rating:

3.3 of 5 stars

(4)

Avg. Download Speed

17 Mbps

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. EarthLink Fixed Wireless is rated other types of internet service available in Keystone from EarthLink in terms of customer satisfaction.

AT&T Fixed Wireless in Keystone, CA

AT&T logo

Availability:

1.1%

Customer Rating:

3.6 of 5 stars

(205)

Avg. Download Speed

17 Mbps

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. AT&T Fixed Wireless is rated other types of internet service available in Keystone from AT&T in terms of customer satisfaction.

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 Mbps1.1F33/100
Sonora20,054 0.0%1,626 Mbps6.8C46/100
Jamestown5,292 0.0%1,299 Mbps6.5C-38/100
Copperopolis4,577 55.8%603 Mbps4.2D+47/100
Columbia3,812 0.0%1,146 Mbps6.6C-38/100
Angels3,667 0.0%1,567 Mbps6.2C-52/100
Quartz975 0.0%492 Mbps6.2D+30/100
Altaville801 0.0%433 Mbps6.9D+69/100
Vallecito629 0.0%819 Mbps3.9D-35/100
Tuttletown400 0.0%236 Mbps7.4D+60/100
Chinese Camp161 0.0%100 Mbps3.7D-20/100

Who is the Fastest Internet Provider in Keystone?

Data Reported to FCC by ISPs: Average Maximum Available in Keystone

Max Advertised Speed in Keystone, CA
Conifer Communications100
Viasat100
T-Mobile Home Internet100
unWired Broadband50
HughesNet25
Caltel Connect25
AT&T25
EarthLink25

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 TypeKeystone OverallCalifornia OverallNational OverallFor Service
T-Mobile Home InternetNo rating yet (0)4 of 5 stars (27)4 of 5 stars (342)View Plans
unWired BroadbandNo rating yet (0)5 of 5 stars (1)5 of 5 stars (1)View Plans
HughesNetNo rating yet (0)3 of 5 stars (1)2.5 of 5 stars (25)View Plans
ViasatNo rating yet (0)3 of 5 stars (1)1.5 of 5 stars (12)View Plans
EarthLinkNo rating yet (0)2.5 of 5 stars (2)3.5 of 5 stars (15)View Plans
AT&TNo rating yet (0)3.5 of 5 stars (119)3.5 of 5 stars (1051)View Plans
Caltel ConnectNo rating yet (0)No rating yet (0)No rating yet (0)View Plans
Conifer CommunicationsNo rating yet (0)No rating yet (0)No rating yet (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 TypeKeystone SpeedCalifornia SpeedNational SpeedFor Service
T-Mobile Home InternetNo rating yet (0)4 of 5 stars (27)4 of 5 stars (342)View Plans
unWired BroadbandNo rating yet (0)5 of 5 stars (1)5 of 5 stars (1)View Plans
HughesNetNo rating yet (0)2 of 5 stars (1)2.5 of 5 stars (25)View Plans
ViasatNo rating yet (0)1 of 5 stars (1)1.5 of 5 stars (12)View Plans
AT&TNo rating yet (0)3.5 of 5 stars (119)4 of 5 stars (1051)View Plans
EarthLinkNo rating yet (0)1 of 5 stars (2)3 of 5 stars (15)View Plans
Caltel ConnectNo rating yet (0)No rating yet (0)No rating yet (0)View Plans
Conifer CommunicationsNo rating yet (0)No rating yet (0)No rating yet (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 TypeKeystone AffordabilityCalifornia AffordabilityNational AffordabilityFor Service
T-Mobile Home InternetNo rating yet (0)4.5 of 5 stars (27)4 of 5 stars (342)View Plans
unWired BroadbandNo rating yet (0)5 of 5 stars (1)5 of 5 stars (1)View Plans
HughesNetNo rating yet (0)3 of 5 stars (1)2.5 of 5 stars (25)View Plans
ViasatNo rating yet (0)3 of 5 stars (1)1.5 of 5 stars (12)View Plans
EarthLinkNo rating yet (0)2 of 5 stars (2)3 of 5 stars (15)View Plans
AT&TNo rating yet (0)3 of 5 stars (119)3.5 of 5 stars (1051)View Plans
Caltel ConnectNo rating yet (0)No rating yet (0)No rating yet (0)View Plans
Conifer CommunicationsNo rating yet (0)No rating yet (0)No rating yet (0)View Plans

Customer Reviews for Internet Service Providers in California

Customer Reviews

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Steve

ting Fiber

1 of 5 stars November 13, 2026

Slow, 1/10th the speed they advertised

Plan Pricing: 1 of 5 stars
Internet Speed: 1 of 5 stars
Overall Rating: 1 of 5 stars

Robert

Verizon Fixed Wireless

1 of 5 stars 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.

Plan Pricing: 1 of 5 stars
Internet Speed: 1 of 5 stars
Overall Rating: 1 of 5 stars

ISPReports User

AT&T DSL

1 of 5 stars November 08, 2026

Lousy

Plan Pricing: 1 of 5 stars
Internet Speed: 1 of 5 stars
Overall Rating: 1 of 5 stars

ISPReports User

Fidium

1 of 5 stars November 08, 2026
Plan Pricing: 3 of 5 stars
Internet Speed: 1 of 5 stars
Overall Rating: 1 of 5 stars

Vernice

Frontier Fiber

2 of 5 stars November 01, 2026

Horrible this is horrible. My internet has been down for two days in a half. Never again

Plan Pricing: No rating yet
Internet Speed: No rating yet
Overall Rating: 2 of 5 stars

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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.