is ups and usps the same thing UPS (United Parcel Service) and USPS (United States Postal Service) are two different companies that offer shipping services. USPS is a government-run entity that handles mail delivery for individuals and businesses in the U.S., including international shipping. UPS is a private courier company that offers parcel delivery services globally, including same-day and overnight shipping options. While both companies offer similar services, their pricing, delivery times, and service areas may differ.