Contact Us Received Hearing Dynamics 3499 Canyon de Flores Sierra Vista, AZ 85650 Phone: (520) 378-1212 Fax: 520-378-7058 Email: E-mail office Mon – Thur: 9:00am – 4:30pm Friday: 9:00am – 12:30pm Sat – Sun: Closed Thank you for reaching out to us! We will get in touch with you during our business hours.