usps overnight mail cutoff time

USPS overnight mail cutoff time refers to the latest time that you can drop off a package for it to be shipped out and delivered the next day. For USPS Priority Mail Express, the cutoff time varies by location and may be as early as 3 PM or 4 PM, depending on the post office. It’s important to check with your local post office or online to confirm the exact cutoff time for your area to ensure timely delivery.