Best Internet Providers in Fairfax, CA
All 6 providers, ranked by coverage, speed and customer ratings
Find internet availability by address in Fairfax, CA
Fairfax has 6 internet service providers, they are sorted by coverage, available speed, and customer rating from our unbiased internet provider report. Fiber, Cable, DSL, and Fixed Wireless internet are available in the city. Reviews are grouped by provider and the type of service they offer, covering all 4 available internet technologies in Fairfax.
Ranks compare Fairfax with the 15,682 US towns of 1,000 to 9,999 people, the tiers of our fastest-cities rankings.
The Best Internet in Fairfax, CA at a Glance
Fairfax Internet Providers, Ranked by Coverage, Speed and Customer Ratings
XFINITY
Connection
Customer Rating
Cable
EarthLink
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
AT&T
Connection
Customer Rating
Fiber
DSL
Fixed Wireless
T-Mobile Home Internet
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 Fairfax ratings may vary and are shown below.
Who is the Best Internet Provider in Fairfax, CA?
T-Mobile Home Internet is the best internet provider in Fairfax based on California customer satisfaction ratings and reviews. Based on our extensive and unbiased survey, T-Mobile Home Internet had the best reviews at the local, state, and national levels versus all available providers in Fairfax, making it a solid recommendation among providers with reviews. T-Mobile Home Internet is an option for 93.35% of the city.
Click here to get T-Mobile Home Internet
or call 1-833-601-2935
Which Providers are Available at my Home in Fairfax?
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 Fairfax
- AT&T - fiber coverage map
- EarthLink - fiber coverage map
- XFINITY - cable coverage map
- Unwired - fixed wireless coverage map
- Verizon - fixed wireless coverage map
- AT&T - dsl coverage map
- EarthLink - dsl coverage map
- T-Mobile Home Internet - fixed wireless coverage map
- AT&T - fixed wireless coverage map
- EarthLink - fixed wireless coverage map
How Fairfax Compares to Places Its Size
Fairfax's report card score is in the top 14% and its connectivity index is in the top 6%.
| Measure | Fairfax | Rank among US towns of 1,000 to 9,999 people | Marin County | California | US | Leader |
|---|---|---|---|---|---|---|
| ISP Report Card inputs: what providers offer here | ||||||
| Fiber availability | 83.1% | top 44% | 59.4% | 62.4% | 71.5% | 1,056 places at 100.0% |
| Average top speed | 4,311 Mbps | top 15% | 3,669 Mbps | 3,834 Mbps | 3,486 Mbps | Collegedale, TN and Lakesite, TN and 2 more (25,000 Mbps) |
| Providers at a typical address | 7.6 | top 13% | 7.5 | 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% | 2.6 | 3.0 | 2.7 | St. George, GA (6.2) |
| Workers who work from home | 38% | top 1% | 32% | 17% | 15% | Indian Springs, NV (76%) |
| Homes with a computer, tablet or phone | 98% | top 10% | 98% | 97% | 96% | 515 places at 100% |
| Homes with internet | 98% | top 3% | 96% | 94% | 91% | 115 places at 100% |
| Homes on fiber, cable or DSL | 91% | top 2% | 86% | 79% | 76% | Bunkerville, NV and Fort Myer, VA and 3 more (100%) |
| More about the households here | ||||||
| Homes with a desktop or laptop | 96% | top 2% | 90% | 84% | 81% | 12 places at 100% |
| Median household income | $145,935 | top 5% | $160,966 | $111,728 | $93,246 | 16 places at $250,001 |
| Residents in school (6th grade to college) | 15% | top 24% | 15% | 17% | 16% | University Park, PA (95%) |
Fiber reaches 83.1% of homes in Fairfax, against 59.4% across Marin County and 62.4% across California. Households in Fairfax are smaller than the US average (2.3 people against 2.7); 38% of workers work from home (US 15%); and the median household income is $145,935 (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 Fairfax
Which Fiber Internet Providers are Available in Fairfax?
EarthLink Fiber in Fairfax, CA
Availability:
83.1%
Customer Rating:
(6)
Avg. Download Speed
4,745 Mbps
EarthLink offers Fiber service to 83.1% of Fairfax homes. Across the city, EarthLink Fiber has speeds up to 4,745 Mbps, with speeds from 1,000 Mpbs up to 5,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for EarthLink Fiber. EarthLink Fiber is rated about the same as other types of internet service available in Fairfax from EarthLink in terms of customer satisfaction.
AT&T Fiber in Fairfax, CA
Availability:
83.1%
Customer Rating:
(542)
Avg. Download Speed
4,745 Mbps
AT&T offers Fiber service to 83.1% of Fairfax homes. Across the city, AT&T Fiber has speeds up to 4,745 Mbps, with speeds from 1,000 Mpbs up to 5,000 Mbps depending on the address. Upload speeds are symmetrical, meaning they are exactly the same as download speeds for AT&T Fiber. AT&T Fiber is rated lower than other types of internet service available in Fairfax from AT&T in terms of customer satisfaction.
Which Fixed Wireless and LTE Internet Providers are Available in Fairfax?
T-Mobile Home Internet Fixed Wireless in Fairfax, CA
Availability:
93.3%
Customer Rating:
(342)
Avg. Download Speed
56 Mbps
T-Mobile Home Internet offers Fixed Wireless service to 93.3% of Fairfax homes. Across the city, T-Mobile Home Internet Fixed Wireless is the only type of service available from the company, with speeds up to 56 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 9.9 Mbps throughout the city.
Verizon Fixed Wireless in Fairfax, CA
Availability:
87.0%
Customer Rating:
(362)
Avg. Download Speed
185 Mbps
Verizon offers Fixed Wireless service to 87.0% of Fairfax homes. Across the city, Verizon Fixed Wireless is the only type of service available from the company, with speeds up to 185 Mbps, with speeds from 25 Mpbs up to 300 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 6.0 and as high as 20, with an average of 14 Mbps throughout the city.
Unwired Fixed Wireless in Fairfax, CA
Availability:
65.2%
Customer Rating:
(1)
Avg. Download Speed
300 Mbps
Unwired offers Fixed Wireless service to 65.2% of Fairfax homes. Across the city, Unwired Fixed Wireless is the only type of service available from the company, with speeds up to 300 Mbps
EarthLink Fixed Wireless in Fairfax, CA
Availability:
42.7%
Customer Rating:
(4)
Avg. Download Speed
25 Mbps
EarthLink offers Fixed Wireless service to 42.7% of Fairfax homes. Across the city, EarthLink Fixed Wireless has speeds up to 25 Mbps
AT&T Fixed Wireless in Fairfax, CA
Availability:
42.7%
Customer Rating:
(205)
Avg. Download Speed
25 Mbps
AT&T offers Fixed Wireless service to 42.7% of Fairfax homes. Across the city, AT&T Fixed Wireless has speeds up to 25 Mbps
Which Cable Internet Providers are Available in Fairfax?
XFINITY Cable in Fairfax, CA
Availability:
99.5%
Customer Rating:
(2077)
Avg. Download Speed
1,950 Mbps
XFINITY from Comcast offers Cable service to 99.5% of Fairfax homes. Across the city, XFINITY Cable is the only type of service available from the company, with speeds up to 1,950 Mbps, with speeds from 1,200 Mpbs up to 2,000 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 35 and as high as 250, with an average of 237 Mbps throughout the city.
Which DSL Internet Providers are Available in Fairfax?
EarthLink DSL in Fairfax, CA
Availability:
79.6%
Customer Rating:
(5)
Avg. Download Speed
83 Mbps
EarthLink offers DSL service to 79.6% of Fairfax homes. Across the city, EarthLink DSL has speeds up to 83 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 18 Mbps throughout the city. EarthLink DSL is rated higher than other types of internet service available in Fairfax from EarthLink in terms of customer satisfaction.
AT&T DSL in Fairfax, CA
Availability:
79.6%
Customer Rating:
(304)
Avg. Download Speed
83 Mbps
AT&T offers DSL service to 79.6% of Fairfax homes. Across the city, AT&T DSL has speeds up to 83 Mbps, with speeds from 10 Mpbs up to 100 Mbps depending on the address. Upload speeds differ from download speeds, and are as low 1.0 and as high as 20, with an average of 18 Mbps throughout the city. AT&T DSL is rated about the same as other types of internet service available in Fairfax from AT&T in terms of customer satisfaction.
Internet in Fairfax by Neighborhood and ZIP Code
Fairfax has 1 ZIP code with its own page. Each row links to that place’s page.
Neighborhoods in Fairfax
| Neighborhood | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|
ZIP codes in Fairfax
| ZIP code | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| 94930 | 9,649 | 85.6% | 4,418 Mbps | 7.7 | B+ | 84/100 |
How Fairfax Compares to Nearby Places
The 10 places nearest to Fairfax that have their own pages are all within 5 miles. Among them, Ross has the most homes with fiber (89.5%) and Woodacre the fewest (11.9%); Fairfax has 83.1%.
| Place | People | Homes with fiber | Average top speed | Providers at a typical address | Report card | Connectivity |
|---|---|---|---|---|---|---|
| Fairfax (this page) | 8,015 | 83.1% | 4,311 Mbps | 7.6 | B+ | 83/100 |
| San Rafael | 70,581 | 56.7% | 4,968 Mbps | 8.1 | B | 84/100 |
| San Anselmo | 15,515 | 81.9% | 5,084 Mbps | 8.2 | B+ | 85/100 |
| Larkspur | 12,494 | 64.4% | 3,578 Mbps | 8.1 | B | 81/100 |
| Kentfield | 6,466 | 65.2% | 3,769 Mbps | 8.5 | B+ | 78/100 |
| Ross | 5,222 | 89.5% | 6,062 Mbps | 9.1 | A- | 93/100 |
| Sleepy Hollow | 1,974 | 83.8% | 4,509 Mbps | 7.9 | B+ | 88/100 |
| Woodacre | 1,719 | 11.9% | 2,037 Mbps | 4.7 | C | 88/100 |
| Lagunitas-Forest Knolls | 718 | 0.0% | 2,000 Mbps | 6.8 | C | 69/100 |
| San Geronimo | 379 | 0.0% | 2,000 Mbps | 5.8 | C- | 72/100 |
| Greenbrae | 258 | 43.4% | 3,302 Mbps | 8 | B | 83/100 |
Who is the Fastest Internet Provider in Fairfax?
According to unbiased feedback from real internet customers, they reported being happiest with speeds provided by T-Mobile Home Internet. On the other hand, based on data provided by the internet providers to the FCC, AT&T and EarthLink should have faster speeds at a local level. While we typically put more weight on real-world customer ratings, we display both satisfaction and technical maximum information for customers to decide for themselves.
Data Reported to FCC by ISPs: Average Maximum Available in Fairfax
| AT&T | 5,000 |
|---|---|
| EarthLink | 5,000 |
| XFINITY from Comcast | 2,000 |
| Verizon | 300 |
| Unwired | 300 |
| Viasat | 100 |
| T-Mobile Home Internet | 100 |
| HughesNet | 25 |
How fast is your internet?
Test your connection here and see it next to the speeds providers advertise in Fairfax. It takes about 20 seconds and, on a fast line, can move a few hundred MB of data.
Customer Ratings for Fairfax Internet Providers
Based on 388 reviews from California internet customers, T-Mobile Home Internet is the best internet service provider for Fairfax residents. T-Mobile Home Internet was rated at an average of 4.11 out of 5 in our report for overall customer satisfaction. Verizon wins for second-place in California, with 3.61 out of 5 stars and 87.0% coverage in Fairfax.
At a national level, based on 4604 national reviews for any of the providers listed above, T-Mobile Home Internet is rated higher than any other provider, with a rating of 4.02 out of 5.
Local, State, and National Ratings for all Fairfax Internet Providers
The table below shows average customer ratings from customers in Fairfax, California, and customers throughout the country.
| ISP / Tech Type | Fairfax Overall | California Overall | National Overall | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet |  (0) | (27) | (342) | View Plans | ||
| Verizon | (0) | (28) | (816) | View Plans | ||
| HughesNet | (0) | (1) |  (25) | View Plans | ||
| Viasat | (0) | (1) |  (12) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans |
Customer Ratings for Internet Provider Speeds in Fairfax
Based on data reported by Fairfax ISPs to the FCC, the fastest speeds in the city are available through AT&T and EarthLink. These internet providers offer speeds up to 5,000 Mbps in Fairfax. Therefore, the average customer can get up to 3,982 Mbps if they’re willing to purchase the fastest subscription tier available at their homes.
However, actual customers rated their satisfaction with internet speed highest with T-Mobile Home Internet. This indicates T-Mobile Home Internet reliably delivers speeds expected by the customer based on the plan they are paying for.
| ISP / Tech Type | Fairfax Speed | California Speed | National Speed | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) | (27) | (342) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | View Plans | ||
| Verizon | (0) | (28) | (816) | View Plans | ||
| HughesNet | (0) |  (1) | (25) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans |
Who is the Cheapest Internet Provider in Fairfax?
Of the providers in Fairfax, customers rate T-Mobile Home Internet the best for price. Data comes from customers rating their satisfaction with pricing: in Fairfax where enough of them have reviewed a provider, otherwise across California or the country. This feedback is valuable because it considers price changes and whether the speeds paid for are worth it.
T-Mobile Home Internet is rated 4.26 out of 5 for price, which is higher than the average across all internet providers in the country. Verizon is rated second for affordability, with an average price rating of 3.75 out of 5.
The table below shows how customers in Fairfax, California, and the United States rated the affordability of their internet service.
Rated Affordability in Fairfax
| ISP / Tech Type | Fairfax Affordability | California Affordability | National Affordability | For Service | ||
|---|---|---|---|---|---|---|
| T-Mobile Home Internet | (0) |  (27) | (342) | View Plans | ||
| Verizon | (0) | (28) | (816) | View Plans | ||
| HughesNet | (0) | (1) | (25) | View Plans | ||
| Viasat | (0) | (1) | (12) | View Plans | ||
| Unwired | (0) | (1) | (1) | View Plans | ||
| EarthLink | (0) | (2) | (15) | View Plans | ||
| AT&T | (0) | (119) | (1051) | View Plans | ||
| XFINITY | (0) | (211) | (2379) | 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 Fairfax?
The right ISP for you depends upon your needs, but in general we can make the following suggestions:
- The best all-around internet service provider in Fairfax is T-Mobile Home Internet.
- The fastest internet provider should be AT&T and EarthLink. Considering speed for the money and reliability in speeds, T-Mobile Home Internet may be a better choice based on real-world local customer feedback.
- The most affordable internet provider in Fairfax is T-Mobile Home Internet.
- XFINITY from Comcast, Viasat, and HughesNet has the broadest coverage in Fairfax, available to 99.5% 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.