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Fiber Internet in Antioch, California - Best Fiber Providers (February 2026)

Xfinity covers 97.7% of Antioch with fiber-capable service, while AT&T Fiber reaches 89.3% of the city. Verizon Fios adds a third option at 36.8% coverage. Antioch's East Bay location benefits from the region's dense fiber infrastructure, with plans starting at $35/mo.

Best Fiber Internet Providers in Antioch

Antioch, California is served by 3 fiber internet providers, covering a population of 115,291 residents. The following table compares all available fiber options in the Antioch market.

ProviderTechnologyCoverageMax SpeedStarting Price
XfinityFTTP/HFC97.7%1,200 Mbps$35/mo
AT&T InternetFTTH/FTTP89.3%2,000 Mbps$55/mo
Verizon FiosFTTH36.8%940 Mbps$49.99/mo

Xfinity Fiber in Antioch, CA

Xfinity provides fiber internet service to approximately 97.7% of Antioch residents. Using FTTP/HFC technology, Xfinity delivers symmetrical upload and download speeds that outperform traditional cable and DSL connections.

PlanDownload SpeedPrice
Connect More200 Mbps$35/mo
Fast400 Mbps$55/mo
Superfast800 Mbps$65/mo
Gigabit1,200 Mbps$75/mo

Order Xfinity Fiber: Call 1-844-963-0138 to check availability and current promotions in Antioch.

Check Xfinity Plans in Antioch

AT&T Internet Fiber in Antioch, CA

AT&T Internet provides fiber internet service to approximately 89.3% of Antioch residents. Using FTTH/FTTP technology, AT&T Internet delivers symmetrical upload and download speeds that outperform traditional cable and DSL connections.

PlanDownload SpeedPrice
Fiber 300300 Mbps$55/mo
Fiber 500500 Mbps$65/mo
Fiber 1 Gig1,000 Mbps$80/mo
Fiber 2 Gig2,000 Mbps$150/mo

Order AT&T Internet Fiber: Call 1-855-850-5977 to check availability and current promotions in Antioch.

Check AT&T Internet Plans in Antioch

Verizon Fios Fiber in Antioch, CA

Verizon Fios provides fiber internet service to approximately 36.8% of Antioch residents. Using FTTH technology, Verizon Fios delivers symmetrical upload and download speeds that outperform traditional cable and DSL connections.

PlanDownload SpeedPrice
Fios 300300 Mbps$49.99/mo
Fios 500500 Mbps$69.99/mo
Fios 1 Gig940 Mbps$89.99/mo

Order Verizon Fios Fiber: Call 1-855-387-1456 to check availability and current promotions in Antioch.

Check Verizon Fios Plans in Antioch

Fiber Internet Market in Antioch

Antioch's fiber internet market has grown substantially as the East Contra Costa County city has attracted new residents and development. AT&T Fiber leads with nearly 90% coverage, while Xfinity's fiber network covers almost 98% of the city, giving Antioch residents among the highest fiber availability rates in the East Bay.

Best Neighborhoods for Fiber in Antioch

The Lone Tree area, Deer Valley neighborhoods, and communities along Hillcrest Avenue have the best multi-provider fiber options. Sand Creek developments and the Prewett Ranch area feature fiber infrastructure deployed alongside new construction.

Fiber Expansion Updates

Contra Costa County's rapid growth along the Highway 4 corridor has driven fiber expansion eastward from Concord through Pittsburg into Antioch. The city's planned BART extension station area and the Rivertown development are expected to anchor next-phase fiber deployment.

Fiber Internet Technology in Antioch

Fiber-to-the-home (FTTH) internet in Antioch uses glass or plastic optical fibers to transmit data using pulses of light. This technology delivers significant performance advantages over copper-based cable and DSL connections available in the Antioch market.

Symmetrical speeds are a hallmark of fiber internet in Antioch. Unlike cable internet where upload speeds are typically a fraction of download speeds, fiber plans from providers like Xfinity deliver equal upload and download performance. This is critical for Antioch residents who work from home, participate in video conferences, or upload content to cloud services.

Latency as low as 1-5 milliseconds makes fiber in Antioch ideal for online gaming, real-time video streaming, and VoIP calls. Cable internet typically delivers 15-30ms latency, while DSL can reach 25-50ms. For Antioch households with multiple simultaneous users, fiber's low latency means smoother performance across all devices.

Future-proof infrastructure means Antioch's fiber networks can be upgraded to support speeds of 10 Gbps and beyond without replacing the physical cables. As bandwidth demands increase with 4K/8K streaming, virtual reality, and smart home devices, fiber subscribers in Antioch are positioned for decades of reliable, high-speed service.

How to Choose Fiber in Antioch

With AT&T and Xfinity covering nearly all of Antioch, most residents can choose between two strong fiber options. AT&T offers symmetrical speeds and no data caps, making it ideal for remote workers. Xfinity's higher top speed (1,200 Mbps) appeals to streaming-focused households. If Verizon Fios is available, compare all three for the best promotional pricing.

Speed considerations: A 300 Mbps fiber plan handles 5-8 devices comfortably, including 4K streaming on multiple TVs. Households with 10+ devices, avid gamers, or remote workers transferring large files should consider 500 Mbps to 1 Gbps plans. Multi-gigabit plans (2 Gbps+) are best suited for tech enthusiasts and home businesses in Antioch.

Budget planning: Fiber prices in Antioch start as low as $35/mo. Consider the total cost including equipment fees, installation charges, and any promotional rate expirations. Many Antioch fiber providers offer no-contract plans that provide flexibility.

Other Internet Providers in Antioch

While fiber is the premium choice, Antioch residents in areas without fiber coverage may also consider these providers:

Why Fiber Matters for Antioch Residents

As Antioch's digital infrastructure continues to evolve, fiber internet has become increasingly essential for households and businesses alike. With a population of 115,291, Antioch residents are driving demand for faster, more reliable connectivity that only fiber-to-the-home technology can consistently deliver.

Remote work has permanently changed how Antioch residents use their home internet. Video conferencing platforms like Zoom and Microsoft Teams require stable upload speeds, and fiber's symmetrical connection ensures your video and audio quality remain crisp even when other household members are streaming or gaming simultaneously. Unlike cable internet that shares bandwidth with neighbors, fiber connections in Antioch provide dedicated bandwidth to each home.

For families in Antioch with school-age children, fiber internet supports simultaneous virtual learning, homework research, and educational streaming without the buffering or slowdowns common on cable and DSL connections. The growing adoption of cloud-based educational tools makes reliable, high-speed internet a necessity rather than a luxury for Antioch households.

Gaming enthusiasts in Antioch benefit significantly from fiber's low latency, typically measured at 1-5 milliseconds compared to 15-30ms for cable. This reduced latency translates to a competitive advantage in online multiplayer games and smoother gameplay in titles requiring real-time responsiveness. Fiber also handles the increasingly large game downloads and updates that modern gaming demands.

Smart home technology adoption is accelerating across Antioch, with security cameras, smart thermostats, voice assistants, and connected appliances all requiring consistent bandwidth. Fiber internet provides the stable, always-on connectivity that smart home ecosystems depend upon, ensuring your devices remain responsive and your security footage uploads without interruption.

Fiber Internet FAQs for Antioch, CA

Who provides fiber internet in Antioch, CA?

Three providers offer fiber internet in Antioch: Xfinity leads with 97.7% coverage, AT&T Fiber covers 89.3%, and Verizon Fios serves 36.8% of the city. Antioch has among the highest combined fiber availability in the East Bay, with nearly every address having at least one fiber option.

How much is fiber in Antioch, CA?

Fiber internet in Antioch starts at $35/mo for Xfinity's 200 Mbps plan. AT&T Fiber begins at $55/mo for 300 Mbps, and Verizon Fios starts at $49.99/mo for 300 Mbps. Gigabit plans range from $75-90/mo. AT&T and Verizon offer symmetrical speeds without data caps.

Is fiber available in the Lone Tree area of Antioch?

Yes, the Lone Tree neighborhood in Antioch has excellent fiber availability from both AT&T Fiber and Xfinity. The area's newer construction and infrastructure support modern fiber-to-the-home service. Most Lone Tree addresses can choose between multiple fiber providers.

Can I get gigabit fiber in Antioch?

Yes, all three fiber providers in Antioch offer gigabit-class service: AT&T Fiber at 1 Gbps for $80/mo, Xfinity Gigabit at 1,200 Mbps for $75/mo, and Verizon Fios at 940 Mbps for $89.99/mo. AT&T also offers a 2 Gbps plan at $150/mo for power users who need the fastest possible speeds.

How does Antioch's fiber compare to Concord or Pittsburg?

Antioch's fiber coverage is competitive with neighboring East Bay cities. AT&T's 89.3% coverage and Xfinity's 97.7% coverage are among the highest in the Highway 4 corridor. The combined multi-provider coverage gives Antioch residents strong competitive options, often exceeding what's available in nearby Pittsburg or Brentwood.

Is fiber internet good for BART commuters in Antioch?

Yes, fiber internet is ideal for Antioch residents who split time between BART commuting and remote work. With the eBART extension making Antioch more accessible to San Francisco and Oakland employers, many residents work hybrid schedules. Fiber's symmetrical upload speeds and low latency ensure smooth video conferencing and VPN connectivity on work-from-home days.

Explore More Internet Options in Antioch

Disclosure: InternetProviders.ai may earn commission from purchases made through links on this page. This does not influence our rankings or recommendations. Our editorial team independently evaluates providers based on speed, coverage, pricing, and customer satisfaction to help you make the best decision for your household. All prices and availability are subject to change. Data last verified February 2026.

About the Author

Pablo Mendoza is a Senior Telecom Analyst at InternetProviders.ai with over 8 years of experience covering broadband markets. He specializes in fiber internet deployment analysis and has reviewed internet service options in more than 1,000 U.S. cities. Pablo holds a degree in Communications Technology from the University of Texas and is committed to helping consumers find the best internet service for their needs.