Sonic provides fiber-optic and DSL internet plans to residential customers in California. Fiber-optic plans are the clear winner for speed and reliability, making them ideal for data-heavy tasks like online gaming and video conferencing. DSL plans, while less expensive, offer lower speeds but can be a suitable choice for basic internet needs. Sonic is known for its transparent pricing and excellent customer service. Explore their website for plan details, data caps (if applicable) on DSL plans, pricing structures, and service availability in your California location.