Preparing for a busy holiday shopping and shipping season is best done early, but if you have yet to send off those holiday presents (like most of us do), it's important to know what the holiday shipping deadlines are to ensure those presents arrive on our loved ones' doorsteps by December 25.

Domestic Mail-by Dates

December 15 - Standard Post: Ground service for less-than-urgent deliveries and oversized packages.

December 19 - First Class Mail: Service for standard-sized, single-piece envelopes and small packages weighing up to 13 ounces with delivery in 3 business days or less.

December 21 - Priority Mail: Domestic service in 1, 2, or 3 business days based on where your package starts and where it's being sent (variety of Flat Rate options).

December 23 - Priority Mail Express: Fastest domestic service, guaranteed overnight scheduled delivery to most locations. Some restrictions and exceptions apply. Note: Priority Mail Express postage refund eligibility is adjusted for shipments mailed December 22 through December 25.

International Mail-by Dates

Mexico

December 8 - First-Class Package International Service; Priority Mail International

December 15 - Priority Mail Express International

December 22 - Global Express Guaranteed

Europe

December 8 - First-Class Package International Service

December 11 - Priority Mail International

December 15 - Priority Mail Express International

December 21 - Global Express Guaranteed

Click HERE for mail-by dates for other Inernational desitnations. 

Military Mail-by Dates

APO/FPO/DPO AE Zips 090-092, 094-098

December 3 - Parcel Airlift Mail

December 10 - Priority Mail; First-Class Mail Letters and Cards

December 17 - Priority Mail Express Military Service

Zip 093

December 3 - Parcel Airlift Mail; Priority Mail; First-Class Mail Letters and Cards

Zips 340, 962-966

December 3 - Parcel Airlift Mail

December 10 - Priority Mail; First-Class Mail Letters and Cards

December 17 - Priority Mail Express Military Service

Click HERE for more information on holiday deliveries to diplomatic and military service members worldwide.