AT&T - Internet Service Provider offers a reliable and efficient service, according to customer reviews. Despite some initial challenges, the company's staff demonstrated excellent customer service and problem-solving skills. Tiffany, Z, and Wafa were all praised for their knowledgeable, professional, and personable approaches, ensuring a positive experience for the customers. The reviews highlight the company's commitment to resolving issues and meeting the needs of both existing and new customers. Overall, AT&T - Internet Service Provider is described as a reliable and customer-focused service provider.