SDN Delivery - Superior Delivery Network typically provides customer service during regular business hours, which are commonly Monday through Friday, from 8:00 AM to 5:00 PM. However, specific hours may vary based on location and other factors. For the most accurate and current information regarding customer service hours, it is advisable to visit the official website of SDN Delivery. The website usually contains detailed contact information and operational hours that can help customers find the assistance they need. Keep in mind that you may also find helpful resources and answers to frequently asked questions directly on the website, which can enhance your experience with SDN Delivery.