Contact Us Premier Research Labs 3500 Wadley Place, Bldg. B Austin, TX 78728 USA Practitioner Order Line and Information: Phone (800) 325 7734 Local  (512) 238 7047 Fax     (512) 341 3931 Office Hours: 9:00 am to 6:00 pm (CST) Monday-Friday Email: info@prlabs.com