usps overnight cut off time

usps overnight cut off time varies by location, but most post offices have a deadline between 3 p.m. and 5 p.m. for same-day drop-off. Meeting this cut-off is essential to ensure overnight delivery via USPS Priority Mail Express. Customers should check with their local branch or use the USPS locator tool for exact times. Proper planning, label printing, and package prep minimize the risk of missing the window and delaying urgent shipments.