Usps Postal Holidays 2025. The 2025 federal holidays that usps observes are also shown: Maybe now you’re wondering, “when does the post office close?” there are a handful of usps holidays sprinkled throughout the year, and.

As 2025 unfolds, keeping an eye on the usps postal holidays is a good idea to ensure your mail and packages land in the right hands at the right time. New year’s day (wednesday, jan.