Which service does UPS use for last-mile delivery to post office boxes?
UPS Mail Innovations and UPS SurePost
UPS Express Saver
UPS Ground
UPS Worldwide Express Freight
Answer
UPS uses UPS Mail Innovations and UPS SurePost for last-mile delivery to post office boxes. These services pass on packages to the United States Postal Service, which then handles the final delivery to the recipient.
Unboxing the United Parcel Service: How Well Do You Know America's Package Delivery Giant?