How long does a 30 digit tracking number from USPS take to arrive?

A 30-digit tracking number from USPS indicates that the item is being shipped using a service such as Priority Mail or Priority Mail Express. Delivery times can vary based on the service selected, distance, and other factors. Typically, Priority Mail takes 1-3 business days, while Priority Mail Express offers overnight delivery. For the most accurate estimate, it's best to check the specific tracking information provided by USPS.