What is the phone number for hershey medical center? Contact Number of Hershey Medical Center. The contact number of Hershey Medical Center is 717-531-8521.Is there a customer service phone number? AT&T Customer Service Phone Number 1-800-288-2747. AT&T is a communications giant that is the largest provider of mobile phone service and home phone service.Is hershey international? Hershey International Ltd. is located in Hershey, Pennsylvania. This organization primarily operates in the Business Activities At Non-commercial Site business / industry within the Business Services sector. This organization has been operating for approximately 102 years.Where are hershey factories located? The Hershey factory was built in the Derry Township, Pennsylvania. But Milton Hershey continued to expand and built a company town, which came to be known as Hershey, Pennsylvania. Today Hershey Inc., operates in 90 countries, though its presence is largest in United States.