T-Mobile - Hours and Locations. All listings of T-Mobile store locations and hours in all states. Please select your state below or refine by major cities.The easiest way to find a T-Mobile store near you is by using their online store locator. After downloading and launching the T-Mobile app on your smartphone, navigate to the store locator feature within the app. Similar to the online store locator,Want the latest phones? Need a new wireless data plan? Get directions, store hours, and phone number for an AT&T store near you.