The Postal Service has recommended deadlines for the holiday mailing and shipping season. The suggestions,are for expected delivery by Dec. 25.
If you are shipping holiday cards and gifts for Hanukkah (Dec. 25–Jan. 2), Christmas (Dec. 25), Kwanzaa (Dec. 26–Jan. 1), or other holiday traditions, find the USPS recommended domestic, international, and military deadlines below The earlier you send, the better: Here are the deadlines for items being sent to addresses in the lower 48 states: -Wednesday, Dec. 18: USPS Ground Advantage -Wednesday, Dec. 18: First-Class Mail, including greeting cards -Thursday, Dec. 19: Priority Mail -Saturday, Dec. 21: Priority Mail Express Customers sending packages internationally, or to military addresses, can access the complete list of recommended mailing and shipping dates at usps.com.
Tips on preparing shipments, including packaging guidelines, ordering free shipping supplies and information on local Post Office location hours, can be found at about.usps.com.