DALLAS, July 20, 2018 /PRNewswire/ -- AT&T* plans to begin introducing mobile 5G to customers in a dozen cities this year, and today we're adding Charlotte and Raleigh, N.C. and Oklahoma City as the next three identified cities for our buildout. These cities will join our previously announced cities of Dallas, Atlanta, and Waco. We're deliberately launching with a mix of big and mid-sized cities. One competitor recently DALLAS, July 20, 2018 /PRNewswire/ -- AT&T* plans to begin introducing mobile 5G to customers in a dozen cities this year, and today we're adding Charlotte and Raleigh, N.C. and Oklahoma City as the next three identified cities for our buildout. These cities will join our previously announced cities of Dallas, Atlanta, and Waco. We're deliberately launching with a mix of big and mid-sized cities. One competitor recently