A study by Scarborough Research has found that El Paso, Texas, is the top texting market in the U.S., where 57 percent of phone users over the age of 18 send text messages, compared to 48 percent of adults nationally. Salt Lake City, Dallas, Memphis, Tenn., and Cincinnati rounded out the top five markets. Release [1]
Links:
[1] http://www.fiercewireless.com/press-releases/el-paso-salt-lake-city-dallas-and-memphis-are-top-text-messaging-markets-u-s-0