In Alamo there are 2 residential Fiber providers covering 44.33% of the city. The average home can get speeds up to 4,680 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 Alamo, CA.
To see availability maps for all providers including fiber, cable, DSL, and more in Alamo, CA please click below.
Fiber Internet Service Providers in Alamo
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 Alamo are not shown.
Alamo 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 Alamo is fiber internet available?
Fiber Internet Availability Key
Fiber is available in 44.33% of Alamo. 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 Alamo above to see who has service at your home.
How fast is fiber internet in Alamo?
The map below shows maximum fiber internet speeds by area in Alamo.
Fiber Internet Speed Key
The average Alamo home can get up to 4,680 Mbps on their fiber internet plan. The fastest fiber download speed in the city is 5,000 Mbps, which 40.79% of residents can get. Some homes and apartments do not have access to these speeds. On the slower end, for example, 3.54% of homes can only purchase plans up to 1,000 Mbps. See the internet provider details below for info about their speed and coverage in Alamo.
Fiber internet speeds tend to be faster in the south parts of Alamo, and slower in the southeast areas of the city.
Is fiber the fastest internet I can get in Alamo?
The fastest internet for you may vary based on where in Alamo you live. In general, cable competes most often with fiber in the city.
- Fiber is the fastest internet type for 40.79% of Alamo homes.
- Cable is fastest for 59.21% of the city.
- DSL is fastest for less than 1%.
- Fixed wireless is fastest for less than 1%.
- Satellite internet may be the only option for less than 1% of Alamo homes.
Fiber Providers in Depth
Below you'll find which TV and internet providers offer service in Alamo, along with details on where in Alamo and at what speeds.
EarthLink Fiber in Alamo, CA
EarthLink fiber coverage
About 44.33%, or 7,091 people, have EarthLink fiber internet available to them in the city. The company covers the south, southeast, west, northwest, and southwest Alamo area. EarthLink is one of the largest internet service providers internet service providers in the US, with internet service available in some of Alamo.
EarthLink fiber download speeds
EarthLink is one of the fastest when comparing download speeds to all other internet providers in Alamo. Versus other fiber providers in the area, EarthLink fiber is one of the fastest. There are 2 different maximum speeds throughout Alamo. The fastest plan anyone in Alamo can order from EarthLink goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Alamo customers is up to 4,680 Mbps.
Show all download speeds
- 92.0% up to 5,000.0 Mbps
- 8.0% up to 1,000.0 Mbps
EarthLink fiber upload speeds
In Alamo download speeds tend to be equal to than upload speeds for EarthLink fiber. Compared to other ISPs, EarthLink is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Alamo fiber 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 Alamo is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, EarthLink customers can get speeds up to 4,680 Mbps.
Show all upload speeds
- 92.0% up to 5,000.0 Mbps
- 8.0% up to 1,000.0 Mbps
AT&T Fiber in Alamo, CA
AT&T fiber coverage
About 44.33%, or 7,091 people, have AT&T fiber internet available to them in the city. The company covers the south, southeast, west, northwest, and southwest Alamo area. AT&T is one of the largest internet service providers internet service providers in the US, with internet service available in some of Alamo.
AT&T fiber download speeds
AT&T is one of the fastest when comparing download speeds to all other internet providers in Alamo. Versus other fiber providers in the area, AT&T fiber is one of the fastest. There are 2 different maximum speeds throughout Alamo. The fastest plan anyone in Alamo can order from AT&T goes up to 5,000 Mbps, the slowest package only goes up to 1,000 Mbps, and the city-wide average maximum speed for Alamo customers is up to 4,680 Mbps.
Show all download speeds
- 92.0% up to 5,000.0 Mbps
- 8.0% up to 1,000.0 Mbps
AT&T fiber upload speeds
In Alamo download speeds tend to be equal to than upload speeds for AT&T fiber. Compared to other ISPs, AT&T is one of the fastest where upload speeds are concerned, and one of the fastest compared to other Alamo fiber 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 Alamo is up to 5,000 Mbps. Some customers have slower plan choices, which only go up to 1,000 Mbps. On average, AT&T customers can get speeds up to 4,680 Mbps.
Show all upload speeds
- 92.0% up to 5,000.0 Mbps
- 8.0% up to 1,000.0 Mbps
Alamo Fiber by Area
This information is most helpful to those looking for homes or considering moving to Alamo or any of the areas nearby.
How does fiber internet in Alamo compare to the rest of California?
Fiber internet speeds in Alamo are much faster versus the average speeds in California: 0.00 Mbps in California versus 4,680 Mbps in the city. The state has similar fiber availability compared to the city. Average fiber coverage in California is 0.00% versus 44.33% in Alamo.
What zip codes have fiber internet?
Fiber internet coverage varies by zip code and neighborhood. Some examples in or around Alamo 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 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
- Castle Hill, CA: less fiber coverage, faster speeds
- Walnut Creek, CA: more fiber coverage, faster speeds
- Danville, CA: less fiber coverage, faster speeds
- Lafayette, CA: more fiber coverage, slower speeds
- Moraga, CA: less fiber coverage, faster speeds
- Clayton, CA: less fiber coverage, faster speeds
- Pleasant Hill, CA: more fiber coverage, slower speeds
- Concord, CA: more fiber coverage, faster speeds
- San Ramon, CA: more fiber coverage, slower speeds
- Canyon, CA: less fiber coverage, faster speeds
Cities with Similar Populations
- Vermilion, OH: more fiber coverage, slower speeds
- Sault Ste. Marie, MI: less fiber coverage, slower speeds
- Liberty, SC: more fiber coverage, faster speeds
- Washington, IN: more fiber coverage, slower speeds
- Cicero, NY: more fiber coverage, slower speeds
- Pineville, NC: more fiber coverage, faster speeds
- Shively, KY: more fiber coverage, slower speeds
- Discovery Bay, CA: less fiber coverage, slower speeds
- Siler City, NC: more fiber coverage, slower speeds
- Carmel, NY: more fiber coverage, slower speeds