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USPS Holiday 2016 Shipping Deadlines

By Last updated on: January 11, 2019


The U.S. Postal Service announced the 2016 holiday mailing and shipping deadlines for domestic and international destinations. Prepare for the busy shopping and shipping season, USPS encourages to ship early.

To ensure timely delivery of cards, letters and packages within the United States by December 25th, the Postal Service recommends that customers ship their items by the following dates:

Mail by Dates — Domestic Services

  • Thursday, December 15 – USPS Retail Ground
    Ground service for less-than-urgent deliveries and oversized packages.
  • Tuesday, December 20 – 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.
  • Wednesday, December 21 – Priority Mail
    Domestic service in 1, 2 or 3 business days based on where the package is mailed and where it’s being sent.
  • Friday, December 23 – Priority Mail Express
    Fastest domestic service, guaranteed overnight scheduled delivery to most locations. Some restrictions and exceptions apply. Please note, Priority Mail Express postage refund eligibility is adjusted for shipments mailed between Dec. 22 and Dec. 25.

The Postal Service offers a wide variety of shipping supplies in multiple sizes at local Post Offices. Customers may also ship using their own materials. Complete military mailing deadlines to APO/FPO/DPO  destinations worldwide can be found at:

UPS and FedEx shipping deadlines will be coming to our site soon.  Let Refund Retriever track all of your UPS and FedEx packages!

Brian Gibbs

Author Brian Gibbs

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Brian Gibbs | President of Refund Retriever

Brian Gibbs founded Refund Retriever in 2006 while running his first eBay based business and seeing the shortcomings of other shipment auditing companies. Refund Retriever's primary focus is FedEx and UPS parcel invoice auditing. After graduating from Texas A&M University in 2001, he then graduated from the University of Houston in 2004 with a JD and MBA. Gibbs has been featured in Forbes, Entrepreneur and other publications discussing parcel auditing, shipping, e-commerce and more. Learn more at or call (800) 441-8085 for more information.

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