AT&T offers the broadest international voice and data coverage of any U.S. carrier with voice in more than 220 countries, data in more than 205 countries and 3G network services in more than 145 countries. AT&T has the nation's largest Wi-Fi network with nearly 27,000 hotspots in the U.S. and access to more than 190,000 hotspots globally through roaming agreements. AT&T offers the broadest BlackBerry and Windows Phone selection and a leading Android portfolio. AT&T remains the only major U.S. wireless carrier to offer low-cost international messaging packages when traveling in more than 100 countries.