AppleInsider reports that tipsters are noting that “their local AT&T/Cingular wireless stores will temporarily close around 4:00 or 4:30 p.m. and not reopen until 6:00 p.m.”

The move is said to prevent large “mobs” of people crowding into stores prior to the iPhone launch.

“[AT&T stores] will be setting up roped queue lines for when they re-open at 6:00 p.m.,” reports an AppleInsider tipster. “They then plan on staying open till 10:00 p.m.”

AppleInsider notes that some stores in more populated areas are possibly going to open until midnight on June 29.