Internet providers in Union City, CA
Union City is a city in California with about 68,141 residents and roughly 22,405 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in Union City, CA
Share of residential locations in Union City 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 | Tekify | Fixed wireless | 99% | |
| 2 | Xfinity | Cable | 98% | |
| 3 | AT&T | Fiber, DSL, Fixed wireless | 84% | Check availability |
| 4 | Robinson Hardware and Software Solutions | Fixed wireless | 78% | |
| 5 | T-Mobile Home Internet | Fixed wireless | 71% | |
| 6 | Verizon | Fiber, Fixed wireless | 59% | Check availability |
| 7 | Etheric Communications | Fixed wireless | 46% | |
| 8 | Unwired | Fixed wireless | 20% | |
| 9 | Sail Internet Holdings | Fixed wireless | 15% | |
| 10 | California Internet | Fixed wireless | 10% |
Show 2 more providers with smaller coverage
| 11 | Sonic Telecom | Fiber | 9% | |
| 12 | Kwikbit Internet | Fixed wireless | 2% |
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 Union City
Tekify reports service to the most residential locations in Union City, about 99%. 6 providers report coverage of at least half of locations (Tekify, Xfinity, AT&T, Robinson Hardware and Software Solutions, T-Mobile Home Internet, and Verizon), so the market looks competitive. Fiber-focused providers reporting service here include Sonic Telecom (9%). Tekify, Robinson Hardware and Software Solutions, T-Mobile Home Internet, Etheric Communications, and Unwired offer fixed wireless home internet, an option if you prefer no cable or fiber installation.
What technologies are available in Union City?
Fiber reaches about 28% of locations in Union City, so it is available in parts of the area but not everywhere. Gigabit-class service (1,000 Mbps down) is reported for about 91% of locations. DSL is still reported for about 57% of locations, which can be a fallback where fiber and cable do not reach. Fixed wireless home internet is reported for about 99%+ of locations.
FCC National Broadband Map, data as of December 31, 2025: share of residential locations in Union City that providers report they can serve. City-level figures, not your address.
Union City at a glance
About 95% of households in Union City have a broadband subscription, 2 points above the California average of 92%.
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023).
Internet providers in places near Union City
- Hayward, CA (5 mi)
- Newark, CA (7 mi)
- Cherryland, CA (7 mi)
- Castro Valley, CA (8 mi)
- San Lorenzo, CA (8 mi)
- Ashland, CA (8 mi)
- Fremont, CA (9 mi)
- Pleasanton, CA (9 mi)
- Dublin, CA (10 mi)
- San Leandro, CA (11 mi)
- Menlo Park, CA (11 mi)
- East Palo Alto, CA (11 mi)
- San Ramon, CA (12 mi)
- Redwood City, CA (12 mi)
- Foster City, CA (13 mi)
- Milpitas, CA (14 mi)
- Mountain View, CA (14 mi)
- Danville, CA (15 mi)
- Sunnyvale, CA (15 mi)
- Livermore, CA (15 mi)
Frequently asked questions
Is fiber internet available in Union City?
Yes, in part. About 28% of residential locations in Union City can get fiber, 97% can get cable, and about 91% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Union City?
Tekify reports service to about 99% of residential locations in Union City, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Union City?
11 providers report service to at least 2% of locations in Union City, and 6 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
Is there fiber internet in Union City?
Fiber providers reporting service in Union City include Sonic Telecom (9% of locations). Other providers may also offer fiber in parts of the city, so check your address.
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 Union City?
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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