The United States Postal Service location at 400 Tenafly Rd is a well-organized and reliable post office that provides a variety of services, including mail and package delivery, retail services, and walk-in passport renewal. It serves over 157 million addresses across the US and manages a significant portion of the world's mail, with over 30,000 retail locations nationwide. Customers appreciate the fast and efficient service, especially for mailing packages and setting up PO Boxes, with staff generally being friendly and helpful. The post office offers extended hours, including Saturdays until 4 pm, making it convenient for many customers. Inside, there is a good selection of mailing materials and gifting supplies. Many reviewers highlight the professionalism and quick service of the staff, although some mention occasional attitude issues from certain employees. While most interactions are positive, a few customers have experienced rudeness from other customers, which can affect the overall experience. The location is also appreciated for its clean and neat environment and the helpfulness of staff, especially during passport renewal processes. Overall, it is viewed as a dependable place for mailing needs, with a friendly staff committed to providing good service despite some isolated negative encounters.