Verizon, an authorized retailer with stores in Massachusetts, New Hampshire, and Maine, is known for its excellence in cellphone retail and customer service. Customers have praised the staff's professionalism, patience, and willingness to assist with various issues, from setting up new phones to resolving complex problems. The stores are praised for their calm and relaxed atmosphere, which helps customers feel at ease. Erick, a particularly helpful employee, is commended for his efficient service, clear explanations, and availability for future assistance. Overall, Verizon's customer service is highly regarded, with customers appreciating the staff's efforts to provide a positive experience.