To call Best Buy customer support, the primary phone number is **1-888-BESTBUY (1-888-237-8289)**. This number connects you to general customer support, including help with computers, memberships, orders, or price match requests[1][2][3][5].

For Geek Squad support (technical help or repairs), you can also call **1-800-433-5778**, with 24/7 agent availability[4].

Additionally, Best Buy provides support through online chat, Facebook, and Twitter (@BestBuySupport) if you prefer digital contact options[1][5].

If you need specialized computer help and have a Best Buy Total Tech membership, be ready with your membership number and details about your issue when calling or visiting in person[3].