WEST JORDAN, UT--(Marketwired - August 07, 2017) - Mountain America Credit Union is pleased to announce the grand opening celebration of its new Magna branch, located at 8349 West 3500 South. The event will be held on Saturday, August 12 from 11:00 a.m. to 1:00 p.m. There will be food, prizes, and activities for families to enjoy.