Internet providers in Placentia, CA
Placentia is a city in California with about 52,384 residents and roughly 20,331 residential locations that internet providers can report on. The table below compares the providers that report service here.
Compare internet providers in Placentia, CA
Share of residential locations in Placentia 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 | Cosmo Network Solutions | Fixed wireless | 99%+ | |
| 2 | Spectrum | Fiber, Cable | 94% | |
| 3 | AT&T | Fiber, DSL, Fixed wireless | 84% | Check availability |
| 4 | IsoFusion | Fiber | 75% | |
| 5 | T-Mobile Home Internet | Fixed wireless | 74% | |
| 6 | Verizon | Fiber, Fixed wireless | 62% | Check availability |
| 7 | California Internet | Fixed wireless | 13% | |
| 8 | Consolidated Smart Broadband Systems | Fiber, Cable, DSL | 1% |
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 Placentia
Cosmo Network Solutions reports service to the most residential locations in Placentia, about 100%. 6 providers report coverage of at least half of locations (Cosmo Network Solutions, Spectrum, AT&T, IsoFusion, T-Mobile Home Internet, and Verizon), so the market looks competitive. Fiber-focused providers reporting service here include IsoFusion (75%). Cosmo Network Solutions 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 Placentia?
Fiber is widely available: about 80% of locations in Placentia can get it. Gigabit-class service (1,000 Mbps down) is reported for about 87% of locations. DSL is still reported for about 59% 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 Placentia that providers report they can serve. City-level figures, not your address.
Placentia at a glance
About 95% of households in Placentia 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 Placentia
- Brea, CA (3 mi)
- Fullerton, CA (4 mi)
- Yorba Linda, CA (5 mi)
- Anaheim, CA (6 mi)
- La Habra, CA (6 mi)
- Rowland Heights, CA (6 mi)
- Orange, CA (7 mi)
- Chino Hills, CA (9 mi)
- Diamond Bar, CA (9 mi)
- North Tustin, CA (9 mi)
- Buena Park, CA (9 mi)
- La Mirada, CA (9 mi)
- Garden Grove, CA (9 mi)
- Stanton, CA (10 mi)
- Santa Ana, CA (10 mi)
- Hacienda Heights, CA (10 mi)
- Tustin, CA (11 mi)
- South Whittier, CA (11 mi)
- Walnut, CA (11 mi)
- La Palma, CA (11 mi)
Frequently asked questions
Is fiber internet available in Placentia?
Yes, in part. About 80% of residential locations in Placentia can get fiber, 94% can get cable, and about 87% can get gigabit-class speeds, per FCC data. Availability depends on your exact address.
Which internet provider has the widest coverage in Placentia?
Cosmo Network Solutions reports service to about 100% of residential locations in Placentia, the most of any provider, per FCC data. Availability still depends on your address.
How many internet providers serve Placentia?
7 providers report service to at least 2% of locations in Placentia, and 6 cover at least half. Satellite (HughesNet, Viasat, Starlink) is also available nearly everywhere.
Is there fiber internet in Placentia?
Fiber providers reporting service in Placentia include IsoFusion (75% 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 Placentia?
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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