The United States Postal Service (USPS) at 6221 Eastern Ave is dedicated to providing secure, reliable, and affordable mail and package delivery to over 157 million addresses. While the location offers walk-in passport services and manages customer needs, experiences can vary. Some customers report issues with customer service, including problems accessing PO Boxes and staff demeanor. However, others have had positive encounters, noting helpful assistance with address changes. Overall, USPS continues to work on improving customer experiences while handling a significant portion of the world's mail.