Usps Closed Dates 2024. Understanding the usps holiday schedule will help you avoid any package delays during these high volume times of the year. 2024 holiday mailing and shipping dates for items sent to addresses in the contiguous united states (lower 48 states):
2024 holiday mailing and shipping dates for items sent to addresses in the contiguous united states (lower 48 states): Here is a complete list of usps holidays in year 2024.