Internet providers in Alamo, CA
Alamo is a census-designated place (an unincorporated community) in California with about 14,441 residents and roughly 8,142 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in Alamo, CA
Share of residential locations in Alamo where each provider reports service, from the FCC National Broadband Map (data as of December 31, 2025). Availability depends on your exact address.
| # | Provider | Technology (varies by address) | Locations covered | |
|---|---|---|---|---|
| 1 | Xfinity | Cable | 99%+ | |
| 2 | Unwired | Fixed wireless | 84% | |
| 3 | AT&T | Fiber, DSL, Fixed wireless | 78% | Check availability |
| 4 | Verizon | Fiber, Fixed wireless | 69% | Check availability |
| 5 | T-Mobile Home Internet | Fixed wireless | 26% | |
| 6 | Etheric Communications | Fixed wireless | 11% | |
| 7 | Astound Broadband | Fiber, Cable | 6% |
Satellite internet
| 1 | HughesNet | Satellite | 99%+ | |
| 2 | Viasat | Satellite | 99%+ | |
| 3 | Starlink | Satellite | 99%+ |
Satellite service is available at nearly every address but typically has higher latency than wired options.
Provider-reported coverage does not guarantee service or speeds at a specific address. Some "Check availability" links are affiliate links; we may earn a commission at no cost to you. How we make money.
What to know about internet in Alamo
Xfinity reports service to the most residential locations in Alamo, about 100%. 4 providers report coverage of at least half of locations (Xfinity, Unwired, AT&T, and Verizon), so the market looks competitive. Unwired and T-Mobile Home Internet offer fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in Alamo?
Fiber reaches about 19% of locations in Alamo, so it is available in parts of the area but not everywhere. Gigabit-class service (1,000 Mbps down) is reported for about 96% of locations. DSL is still reported for about 52% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 98% of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Alamo that providers report they can serve. City-level figures, not your address.
Alamo at a glance
About 98% of households in Alamo have a broadband subscription, 6 points above the California average of 92%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near Alamo
- Walnut Creek, CA (4 mi)
- Danville, CA (4 mi)
- Contra Costa Centre, CA (5 mi)
- Moraga, CA (6 mi)
- Lafayette, CA (6 mi)
- San Ramon, CA (8 mi)
- Pleasant Hill, CA (8 mi)
- Concord, CA (8 mi)
- Orinda, CA (9 mi)
- Castro Valley, CA (10 mi)
- Martinez, CA (11 mi)
- Dublin, CA (12 mi)
- Piedmont, CA (12 mi)
- Ashland, CA (12 mi)
- Bay Point, CA (13 mi)
- Pittsburg, CA (13 mi)
- Oakland, CA (13 mi)
- Cherryland, CA (13 mi)
- San Leandro, CA (13 mi)
- San Lorenzo, CA (14 mi)
Frequently asked questions
Is fiber internet available in Alamo?
Yes, in part. About 19% of residential locations in Alamo can get fiber, 100% can get cable, and about 96% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Alamo?
Xfinity reports service to about 100% of residential locations in Alamo, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Alamo?
7 providers report service to at least 2% of locations in Alamo, and 4 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
What is the difference between fiber, cable and DSL?
Fiber offers the fastest and most consistent speeds, cable is widely available with high download speeds, and DSL runs over phone lines and is usually slower. See our guide for details.
What internet speed do I need in Alamo?
Most households are well served by 100–300 Mbps. Heavy streaming, gaming or many connected devices may benefit from 500 Mbps or more.
Check your exact address
Coverage for a whole community cannot tell you what is available at your door. Enter your ZIP code, then confirm with each provider.
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