At Optimum Flagstaff, AZ, we are not only a cell phone store but we also provide and service your Internet needs.. With the latest 5G mobile phones running on America's largest 5G network, you can stay connected with cutting-edge technology. Enjoy in-person support and shop with one of our Retail Specialists. Our high-speed Internet service provides reliable and fast connections for all your online activities. Explore Optimum's products, plans, and services, and see how Optimum can save you money on your Internet, TV, and Mobile bill. Our excellent customer service will help you find the perfect device and plan to meet your needs. Visit us today at Flagstaff, AZ.