The upcoming holidays will change mail schedules and post office hours, according to the U.S. Postal Service.

All branches of the U.S. Post Office will be closed in observance of Christmas (Dec. 25) and New Year’s Day (Jan. 1, 2024). This closure will affect all postal services, including retail services, mail delivery and blue collection boxes.

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Christmas Eve and New Year’s Eve schedule

This year, Christmas Eve and New Year’s Eve each fall on Sunday, when post offices are already closed. There are currently no plans for limited hours on Saturday, Dec. 23 or Saturday, Dec. 30. Customers are encouraged to check with their local Post Office for hours of operation.

Also, there are currently no plans for early blue box collection times on Saturday, Dec. 23 or Saturday, Dec. 30.

Customers who are unable to mail items before the scheduled collection box pickup times on Dec. 23 and Dec. 30 should use the postal locator at tools.usps.com to find Post Office locations that may be open late.

Post offices will be closed on Monday, Dec. 25 and Monday, Jan. 1. Blue collection boxes won’t be served on those day and there will be no residential or business deliveries, except for Priority Mail Express which is delivered 365 days a year in select locations for an additional fee.

The post offices will be open and regular mail delivery will resume on Tuesday, Dec. 26 and Tuesday, Jan. 2.