100% fiber-optic internet across the Golden State — from Los Angeles to San Francisco to San Diego. Symmetric speeds up to 5 GIG, no data caps, no annual contract. Check if your California address qualifies today.
AT&T Fiber is available across major California metros and growing communities. Here are the primary markets with fiber-optic coverage in the Golden State.
California's largest city and a major AT&T Fiber market. Speeds up to 5 GIG are available across many LA neighborhoods, with expansion continuing throughout the greater Los Angeles area.
Check Los Angeles addressThe Bay Area's cultural and tech hub features extensive AT&T Fiber coverage in the city and surrounding neighborhoods. Multi-gig fiber plans available across many San Francisco districts.
Check San Francisco addressCalifornia's capital city and a growing AT&T Fiber market. Sacramento residents benefit from symmetric multi-gig fiber with no data caps — ideal for government workers, students, and remote professionals.
Check Sacramento addressSouthern California's second-largest city and a strong AT&T Fiber market. Fiber-optic speeds up to 5 GIG are available in many San Diego neighborhoods, with continued expansion across the metro.
Check San Diego addressThe largest city in California's Central Valley, Fresno features growing AT&T Fiber availability. Residents and businesses benefit from symmetric fiber speeds with no data caps and no annual contract.
Check Fresno addressA major East Bay city with excellent AT&T Fiber coverage. Oakland residents enjoy symmetric fiber speeds, no data caps, and no annual contract — ideal for families, creatives, and remote workers.
Check Oakland addressDon't see your city? AT&T Fiber is expanding across California. Check your address to see if service is available.
AT&T is investing in fiber-optic infrastructure across the Golden State. Here's what you need to know about availability, expansion, and how to check your address.
AT&T Fiber availability in California varies by neighborhood — even within the same city. The quickest way to confirm service is to check your specific address. Use our availability checker or call a specialist at (800) 288-2020.
AT&T Fiber delivers a true fiber-optic connection directly to your home — not hybrid cable or DSL. That means symmetric upload and download speeds, low latency, and no data caps on any plan. In California, fiber is available in major metros like Los Angeles, San Francisco, and San Diego, with steady expansion into Sacramento, Fresno, Oakland, and suburban communities.
If AT&T Fiber isn't yet at your address, the network is expanding — check back regularly or sign up for updates. In the meantime, AT&T Internet (IPBB) may be available as an alternative, though fiber offers the best speeds and value when available.
Every plan includes unlimited data, symmetric speeds, and no annual contract. Prices below reflect AutoPay & paperless billing discounts.
All plans include a free Wi-Fi gateway. Speeds and availability vary by California address.
Yes. AT&T Fiber is widely available across California, including the Los Angeles, San Francisco, Sacramento, San Diego, Fresno, and Oakland metro areas. Coverage is expanding steadily as AT&T continues investing in fiber infrastructure. Enter your address in our availability checker or call (800) 288-2020 to confirm service at your specific location.
AT&T Fiber serves numerous California cities. Major markets with strong fiber coverage include Los Angeles, San Francisco, Sacramento, San Diego, Fresno, and Oakland. Smaller communities throughout the state are also gaining access as AT&T continues its fiber expansion across the Golden State.
AT&T Fiber offers speeds from 300 Mbps up to 5 GIG (5,000 Mbps) in California, with symmetric upload and download on every tier. Available plans include 300 Mbps ($35/mo), 500 Mbps ($45/mo), 1 GIG ($50/mo), and 5 GIG ($95/mo) with AutoPay and paperless billing. Actual speeds may vary by address.
No. AT&T Fiber plans in California include truly unlimited data with no caps, no overage fees, and no throttling on any plan. This applies statewide — whether you're in Los Angeles, San Diego, or a smaller California town. You can stream, game, and download without limits.
In many cases, yes. AT&T Fiber uses fiber-optic infrastructure that is separate from cable providers like Xfinity and Spectrum, so having one service does not prevent you from getting another. If AT&T Fiber has been installed in your California neighborhood, you can switch. Check availability at your address to find out.
No. AT&T Fiber plans in California are month-to-month with no annual contract and no early termination fee. You can change or cancel your plan at any time without penalty. This applies to all fiber speed tiers — 300 Mbps through 5 GIG.
Use our availability checker on this page or call (800) 288-2020. Enter your name, phone, email, and address, and a specialist will confirm whether AT&T Fiber is available at your California location and help you choose the right plan. The check is free with no obligation to buy.
One quick check tells you if AT&T Fiber is available where you live in California. If it is, you could switch today — no contract, no data cap, symmetric speeds up to 5 GIG.