Best Internet Providers in Santa Clara, CA
Compare 8 internet providers serving 126,215 Santa Clara residents. In the heart of Silicon Valley, Xfinity, AT&T Fiber, and T-Mobile 5G offer strong broadband options for tech workers and families.
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Xfinity 1-844-963-0138Quick Answer: Best Internet in Santa Clara
Xfinity is the best internet provider for most Santa Clara residents, covering about 89% of the city with cable and fiber plans up to 2 Gbps. AT&T Fiber reaches 77% of addresses with symmetrical speeds up to 5 Gbps and no data caps. T-Mobile 5G and Verizon 5G Home provide wireless alternatives. Santa Clara's Silicon Valley location ensures strong broadband infrastructure across most neighborhoods.
Key Takeaways
- Best overall: Xfinity for widest coverage at 89%
- Best fiber: AT&T Fiber with symmetrical speeds up to 5 Gbps
- Best for renters: T-Mobile 5G at $40-50/mo, no contract
- Best 5G alternative: Verizon 5G Home up to 1 Gbps
- 8 providers: Excellent competition in Silicon Valley
Santa Clara Internet Providers Comparison
Verified as of February 2026. Coverage percentages based on FCC data and may vary by neighborhood.
| Provider | Technology | Max Speed | Starting Price | Data Cap | Contract | Call Now |
|---|---|---|---|---|---|---|
| Xfinity | Cable/Fiber | 2 Gbps | $30/mo | 1.2 TB | No | 1-844-963-0138 |
| AT&T Fiber | Fiber/DSL | 5 Gbps | $55/mo | None | No | 1-855-850-5977 |
| T-Mobile 5G | 5G Fixed Wireless | 245 Mbps | $40-50/mo | None | No | 1-844-275-9311 |
| Verizon 5G Home | 5G | 1 Gbps | $35/mo* | None | No | 1-855-387-1456 |
| Spectrum | Cable | 1 Gbps | $30/mo** | None | No | 1-844-481-5997 |
| Starlink | LEO Satellite | 250 Mbps | $120/mo | Soft cap | No | Online only |
| HughesNet | Satellite | 100 Mbps | $39.99/mo | Limited | 2-year | 1-855-543-5405 |
| Viasat | Satellite | 150 Mbps | $39.99/mo | Unlimited*** | No | 1-855-463-9333 |
*Verizon pricing with mobile bundle. **Spectrum first-year promo, limited coverage. ***Viasat Unleashed plan.
Top Santa Clara Internet Providers: Detailed Reviews
Xfinity Internet in Santa Clara
88.8% CoverageXfinity is the most widely available provider in Santa Clara with cable and fiber plans from 75 Mbps to 2 Gbps. Most plans carry a 1.2 TB data cap, removable for $30/month extra. Xfinity's broad range of speed tiers serves everything from light browsing to heavy tech workloads.
Choose Xfinity If:
- You want the widest available coverage in Santa Clara
- You need flexible speed tiers from basic to 2 Gbps
Avoid Xfinity If:
- You need unlimited data without paying extra
- You want symmetrical upload speeds
AT&T Fiber in Santa Clara
77% CoverageAT&T Fiber delivers symmetrical speeds up to 5 Gbps with no data caps across 77% of Santa Clara. Plans start at $55/month for 300 Mbps. For Silicon Valley tech professionals who need fast uploads for code pushes and video calls, AT&T Fiber is the premium choice.
Choose AT&T Fiber If:
- You need symmetrical speeds for remote development work
- You want no data caps on every plan
Avoid AT&T Fiber If:
- Only DSL is available at your address
- You need the lowest introductory price
T-Mobile 5G Home Internet in Santa Clara
59.2% CoverageT-Mobile 5G covers about 59% of Santa Clara at $40-50/month with no contracts, no data caps, and a 5-Year Price Guarantee. It suits renters and anyone who values flexibility over raw speed. Typical speeds range from 100-245 Mbps.
Choose T-Mobile 5G If:
- You rent and want contract-free, portable service
- You want predictable monthly pricing
Avoid T-Mobile 5G If:
- You need speeds above 300 Mbps for intensive work
- Low latency is critical for your applications
Santa Clara Internet Speeds and Prices
| Speed Tier | Xfinity | AT&T Fiber | Verizon 5G | T-Mobile 5G |
|---|---|---|---|---|
| 300 Mbps | $30/mo | $55/mo | $35/mo* | $40-50/mo |
| 500 Mbps | $60/mo | $65/mo | - | - |
| 1 Gbps | $80/mo | $80/mo | $60/mo* | - |
| 2 Gbps | $120/mo | $110/mo | - | - |
| 5 Gbps | - | $180/mo | - | - |
*Verizon pricing with qualifying mobile plan.
How Much Speed Do You Need?
- 1-2 people, light use: 100-300 Mbps
- 3-5 people, moderate use: 500 Mbps
- Remote tech work + gaming: 1 Gbps
- Content creators/developers: 2-5 Gbps fiber
Learn more: How much internet speed do I need?
Internet in Santa Clara: Local Market Overview
- Population: 126,215
- CBSA: 41940 (San Jose-Sunnyvale-Santa Clara)
- Fiber providers: AT&T, Xfinity
- Cable providers: Xfinity, Spectrum
- 5G providers: T-Mobile, Verizon
Santa Clara sits at the center of Silicon Valley, home to major tech companies including Intel, Nvidia, and the San Francisco 49ers' Levi's Stadium. This drives exceptionally high demand for fast, reliable internet. Xfinity and AT&T Fiber compete aggressively, giving most neighborhoods access to both cable and fiber options.
Verizon 5G Home covers about 30% of addresses, supplementing wired options in denser corridors. T-Mobile 5G provides a flexible wireless alternative for the city's large renter population. Spectrum serves a small but growing portion of Santa Clara as well.
Internet by Santa Clara Neighborhood
- Old Quad/Downtown: Strong Xfinity and AT&T Fiber coverage
- Santa Clara University area: Multiple providers compete
- Mission City/Agnew: Xfinity cable and growing AT&T Fiber
- North Santa Clara: Good Xfinity and 5G coverage near tech campuses
Frequently Asked Questions About Santa Clara Internet
What is the best internet provider in Santa Clara?
Xfinity is best for most residents with 89% coverage. AT&T Fiber is the top fiber pick with symmetrical speeds up to 5 Gbps and 77% coverage.
Is fiber available in Santa Clara?
Yes. AT&T Fiber covers 77% and Xfinity offers fiber-backed plans at 89%. Most Santa Clara addresses have at least one fiber option.
How much does internet cost in Santa Clara?
Prices range from $30/month for Xfinity to $180/month for AT&T 5 Gbps fiber. Most pay $55-80/month.
What is the fastest internet in Santa Clara?
AT&T Fiber at up to 5 Gbps symmetrical. Xfinity reaches 2 Gbps on fiber-backed plans.
Is Santa Clara good for remote tech workers?
Yes. AT&T Fiber's symmetrical 5 Gbps is ideal for developers. Most neighborhoods have multiple high-speed options from Xfinity and AT&T.
Is 5G home internet available in Santa Clara?
Yes. T-Mobile covers 59% at $40-50/month and Verizon covers 30% with speeds up to 1 Gbps.
About the Author
Last Updated: February 7, 2026
Our team regularly reviews and updates this guide to ensure accuracy. Provider availability and pricing are verified quarterly.
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InternetProviders.ai is committed to providing accurate, unbiased information to help you choose the right internet service. Some providers listed on this page are partners who compensate us when you sign up through our links or phone numbers. This compensation may affect provider ordering but does not influence our ratings or recommendations. See our editorial guidelines and how we make money.