AutoZone Auto Parts, 2684 S A W Grimes Blvd, Auto Parts Round Rock TX, USA, ZIP: 78664 Phone: (512) 238-8395 Hours: Mon 7:30 AM-9:00 PM Tue 7:30 AM-9:00 PM Wed 7:30 AM-9:00 PM Thu 7:30 AM-9:00 PM Fri 7:30 AM-9:00 PM Sat 7:30 AM-9:00 PM Sun 8:00 AM-9:00 PM