Here is a list of USPS holidays for 2023:

• New Year’s Day: Monday, Jan. 2 (observed)
• Martin Luther King Jr. Day: Monday, Jan. 16
• Presidents Day: Monday, Feb. 20
• Memorial Day: Monday, May 29
• Juneteenth National Independence Day: Monday, June 19
• Independence Day: Tuesday, July 4
• Labor Day: Monday, Sept. 4
• Columbus Day: Monday, Oct. 9
• Veterans Day: Saturday, Nov. 11
• Thanksgiving: Thursday, Nov. 23
• Christmas: Monday, Dec. 25

Note that post offices will be closed on these days, and the Postal Service will not deliver regular mail or packages on these dates. However, some post office services are available online 24/7, including on holidays. With a USPS.com account, you can order stamps, print shipping labels, order boxes and other mail supplies, and request package pickups.