usp office refers to a local USPS office, where customers can conduct various postal services such as sending mail, purchasing postage, and handling package deliveries. USPS offices are widespread across the United States, offering services like retail shipping, post office boxes, and passport applications. Customers can visit their local USPS office to access these services, get information about shipping rates, or resolve delivery issues. USPS offices also serve as key locations for receiving and sending packages, making them an essential part of the postal service network.