AT and T customer service provides assistance for a wide range of services, including wireless, internet, TV, and account management. Customers rely on AT and T customer service to handle billing questions, service activation, technical issues, and plan modifications. Support is available via phone, online chat, and self-help portals. The customer service team also assists with device troubleshooting, password recovery, and service upgrades. AT and T customer service focuses on helping customers maintain smooth connectivity and quickly resolve service-related concerns.