AT&T's official website, ATT.com, provides a phone service coverage map. The map also shows data and GoPhone coverage, Wi-Fi hotspots and AT&T store locations across the United States and internationally.
AT&T provides a number of wireless voice services including 3G, 4G and LTE coverage. In addition to wireless voice plans, AT&T Wireless also offers wireless data and Wi-Fi hotspots to subscribers and the public at participating providers. AT&T's official website features a store that sells AT&T Wireless compatible devices such as basic mobile phones, Google Android-powered smart phones and tablets, Apple iPhone and iPad and wearable smart technology like watches.
As of March 2015, AT&T's online store features the device manufacturers HTC, LG, Apple, ASUS, Samsung, Amazon, Blackberry, Kyocera, Microsoft, Motorola, Nokia, Pantech, ZTE, Sonim and NEC. The top-selling AT&T Wireless compatible devices include the Apple iPhone 6, Apple iPhone 6 Plus, LG G3, Samsung Galaxy S5, Samsung Galaxy Note 4 and Samsung Galaxy Alpha.
AT&T Wireless is compatible with a range of specially designed wireless hotspot devices also available for purchase through AT&T's website. An AT&T Wireless hotspot allows customers to connect any Wi-Fi capable smart phone, laptop, tablet or television to the Internet with a valid subscription plan.