Address: Physical Address: 134 Sipe Avenue Hummelstown, PA 17036 Postal Address: PO BOX 770 Hershey, PA 17033-0770 Phone: (717) 533-5154 Fax: (717) 533-1442 E-Mail: This email address is being protected from spambots. You need JavaScript enabled to view it. Staff Contact Information  Hours: Monday - Friday 8:00 AM - 5:00 PM           Hours subject to change between January 1st and April 15th.