In San Joaquin County there are 3 residential Fiber providers covering 40.22% of the county. The average home can get speeds up to 4,783 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 Fiber internet providers in San Joaquin County, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in San Joaquin County, CA please click below.
San Joaquin County, CA Availability Maps
Fiber Internet Service Providers in San Joaquin County
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 San Joaquin County are not shown.
San Joaquin County 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 San Joaquin County is fiber internet available?

Fiber Internet Availability Key
Fiber is available in 40.22% of San Joaquin County. Areas in green have fiber 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 San Joaquin County above to see who has service at your home.
How fast is fiber internet in San Joaquin County?
The map below shows maximum fiber internet speeds by area in San Joaquin County.

Fiber Internet Speed Key
The average San Joaquin County home can get up to 4,783 Mbps on their fiber internet plan. The fastest fiber download speed in the county is 7,000 Mbps, which 8.57% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, less than 1% of homes can only purchase plans up to 10 Mbps. See the internet provider details below for info about their speed and coverage in San Joaquin County.
Fiber internet speeds tend to be faster in the southeast parts of San Joaquin County, and slower in the southwest areas of the county.
Is fiber the fastest internet I can get in San Joaquin County?
The fastest internet for you may vary based on where in San Joaquin County you live. In general, cable competes most often with fiber in the county.
- Fiber is the fastest internet type for 34.00% of San Joaquin County homes.
- Cable is fastest for 57.88% of the county.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for 7.59%.
- Satellite internet may be the only option for less than 1% of San Joaquin County homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in San Joaquin County, along with details on where in San Joaquin County and at what speeds.
EarthLink Fiber in San Joaquin County, CA

EarthLink fiber coverage
About 31.50%, or 245,452 people, have EarthLink fiber internet available to them in the county. The company covers the entire San Joaquin County 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 San Joaquin County.
EarthLink fiber download speeds
EarthLink is above average when comparing download speeds to all other internet providers in San Joaquin County. Versus other fiber providers in the area, EarthLink fiber is below average. There are 3 different maximum speeds throughout San Joaquin County. The fastest plan anyone in San Joaquin County can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for San Joaquin County customers is up to 4,205 Mbps.
Show all download speeds
- 80.1% up to 5,000.0 Mbps
- 19.9% up to 1,000.0 Mbps
- 0.0% up to 10.0 Mbps
EarthLink fiber upload speeds
In San Joaquin County download speeds tend to be faster than than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is above average where upload speeds are concerned, and above average compared to other San Joaquin County fiber providers. EarthLink offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in San Joaquin County is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1.0 Mbps. On average, EarthLink customers can get speeds up to 4,205 Mbps.
Show all upload speeds
- 80.1% up to 5,000.0 Mbps
- 19.9% up to 1,000.0 Mbps
- 0.0% up to 1.0 Mbps
AT&T Fiber in San Joaquin County, CA

AT&T fiber coverage
About 31.50%, or 245,452 people, have AT&T fiber internet available to them in the county. The company covers the entire San Joaquin County 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 San Joaquin County.
AT&T fiber download speeds
AT&T is above average when comparing download speeds to all other internet providers in San Joaquin County. Versus other fiber providers in the area, AT&T fiber is below average. There are 3 different maximum speeds throughout San Joaquin County. The fastest plan anyone in San Joaquin County can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 10 Mbps, and the county-wide average maximum speed for San Joaquin County customers is up to 4,205 Mbps.
Show all download speeds
- 80.1% up to 5,000.0 Mbps
- 19.9% up to 1,000.0 Mbps
- 0.0% up to 10.0 Mbps
AT&T fiber upload speeds
In San Joaquin County download speeds tend to be faster than than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is above average where upload speeds are concerned, and above average compared to other San Joaquin County fiber providers. AT&T offers 3 different upload speeds across the county, so your internet plan's upload speed may vary by neighborhood . The fastest upload speed available to anyone from this ISP in San Joaquin County is up to 5,000 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 4,205 Mbps.
Show all upload speeds
- 80.1% up to 5,000.0 Mbps
- 19.9% up to 1,000.0 Mbps
- 0.0% up to 1.0 Mbps
Frontier Communications Fiber in San Joaquin County, CA

Frontier fiber coverage
About 8.57%, or 66,769 people, have Frontier fiber internet available to them in the county. The company covers the southeast, east, south, and central San Joaquin County area. Frontier is one of the largest internet service providers internet service providers in the US, with internet service available in a very small piece of San Joaquin County.
Frontier Communications fiber download speeds
Frontier is the fastest when comparing download speeds to all other internet providers in San Joaquin County. Versus other fiber providers in the area, Frontier fiber is the fastest. There are no different maximum speeds throughout San Joaquin County. The fastest plan anyone in San Joaquin County can order from Frontier goes up to 7,000 Mbps, and all San Joaquin County customers can get this speed.
Show all download speeds
- 100.0% up to 7,000.0 Mbps
Frontier Communications fiber upload speeds
In San Joaquin County download speeds tend to be equal to than upload speeds for Frontier fiber. Compared to other ISPs, Frontier is the fastest where upload speeds are concerned, and the fastest compared to other San Joaquin County fiber providers. Frontier offers no different upload speeds across the county. The fastest upload speed available to anyone from this ISP in San Joaquin County is up to 7,000 Mbps, which is available to everyone covered.
Show all upload speeds
- 100.0% up to 7,000.0 Mbps
San Joaquin County Fiber by Area
This information is most helpful to those looking for homes or considering moving to San Joaquin County or any of the areas nearby.
How does fiber internet in San Joaquin County compare to the rest of California?
Fiber internet speeds in San Joaquin County are much faster versus the average speeds in California: 0.00 Mbps in California versus 4,783 Mbps in the county. The state has similar fiber availability compared to the county. Average fiber coverage in California is 0.00% versus 40.22% in San Joaquin County.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around San Joaquin County are shown below. You can enter any zip code here to see TV and internet providers by zip code.
What does fiber internet look like in other counties?
Below are counties nearby and with similar populations. This comparison can be useful if living somewhere with fast internet is important to you.
Nearby Counties
- Contra Costa County, CA: more fiber coverage, faster speeds
- Tuolumne County, CA: less fiber coverage, slower speeds
- Marin County, CA: more fiber coverage, slower speeds
- San Miguel County, CO: more fiber coverage, slower speeds
- San Juan County, CO: more fiber coverage, slower speeds
- Hinsdale County, CO: more fiber coverage, slower speeds
- Saguache County, CO: more fiber coverage, slower speeds
- Otero County, CO: more fiber coverage, slower speeds
- Bent County, CO: more fiber coverage, slower speeds
- Prowers County, CO: less fiber coverage, slower speeds
Counties with Similar Populations
- Fort Bend County, TX: more fiber coverage, faster speeds
- New Haven County, CT: more fiber coverage, faster speeds
- Middlesex County, NJ: more fiber coverage, faster speeds
- San Francisco County, CA: more fiber coverage, slower speeds
- Hidalgo County, TX: more fiber coverage, slower speeds
- Hamilton County, OH: more fiber coverage, slower speeds
- Essex County, NJ: more fiber coverage, faster speeds
- Essex County, MA: more fiber coverage, slower speeds
- El Paso County, TX: more fiber coverage, slower speeds
- DeKalb County, GA: more fiber coverage, faster speeds


