AT&T Inc. announced today that it plans to roll out 4G LTE wireless Internet coverage in Des Moines and West Des Moines by the end of the year. It is part of the company's plan to cover nearly 270 million people in more than 400 markets with 4G LTE by the end of the year. Des Moines currently has 4G coverage, and 4G LTE will give the area faster Internet speeds, said Beth Canuteson, regional vice president of AT&T Iowa, in a press release.