• California internet provider
  • Unlimited data
  • Fiber-optic network
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Sonic Overview

The best of California, Sonic ISP is a telecommunications provider serving residential and business customers in the San Francisco Bay Area, Sacramento, and Los Angeles. Touting unlimited data and ultra-fast fiber internet speeds up to 1000 Mbps, Sonic may be a great option for you. See what sets Sonic apart from other providers below.


Sonic Internet

  • Plans starting at $49.99/mo.
  • Speeds up to 1000 Mbps
  • Eero Extenders for WiFi

Sonic Phone

  • Unlimited calling 60+ countries
  • Free number transfers
  • Spam call blocking

Sonic Bundles

  • Bundles as low as $39.99/mo.
  • Combine Sonic internet + phone
  • DISH TV partner in select areas

Sonic Fiber Internet: No More Breaking the Bank

If you’re looking for cheap internet to offset the high cost of living in California, Sonic fiber internet may be an excellent choice for you and your family. Sonic internet runs on a mixed DSL and fiber-optic network, offering internet speeds up to 1000 Mbps with no data caps, limits, or throttling. Better yet, you can enjoy same-day installation with no add-on fees and options to bundle your internet service with a landline for complete connectivity.

No more breaking the bank for what you need. Sonic believes reliable, fast internet should be accessible to all. That’s why their plans start at just $49.99/mo. for a full gigabit of speeds fit for any digital lifestyle. Go one step further to bundle your internet and phone service and enjoy no contracts on Fusion DSL and Gigabit Fiber service plans. We did the research on Sonic for you to help you decide on the solution right for you.

Enter your zip code to see if Sonic is available near you

Sonic Coverage Area

A hyper-localized internet service provider, Sonic provides internet and phone services to select regions of California including the San Francisco Bay Area, Sacramento, Los Angeles, and their surrounding suburbs. Sonic began in Santa Rosa, CA, where CEO and then-college student, Dane Jasper, built a network in his back game room determined to get fast internet access. Sonic quickly grew to size in less than 20 years and is now on a  mission to provide ultra-fast internet options at ultra-affordable prices.


  • check_circleNo data caps, limits, or throttling
  • check_circleExtremely affordable fiber internet


  • cancelLimited availability
  • cancelEquipment rental costs

Sonic Company Details

Established in 1994, Sonic ISP was originally created in an effort to bring affordable internet access to students and staff at Santa Rosa Junior College where it is still headquartered to this day. Providing service in main metropolitan areas of California, Sonic offers fiber internet and phone plans to both residential and commercial customers. A leader in customer service and community supporter for over 26 years, Sonic is on a mission to revolutionize the telecommunications industry by making top-of-the-line communication services accessible to the masses. In 2018, Consumer Reports rated Sonic #1 in the West and #2 in the U.S. for best speeds, affordability, and customer service.

Sonic Customer Support

Highly rated, Sonic customer support is available 7 days a week from 8 AM PST – 10 PM PST to customers and general inquiries. For all sales-related questions or technical issues, you can reach a customer representative for assistance at 1-855-394-0100. All other general inquiries can be answered or filtered using the Sonic Knowledgebase center for support.

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Sonic FAQs

Sonic offers fiber and DSL internet and landline phone services to residential and business customers in California. To see what is available in your area, enter your zip code here for all current options.