USPS adds 6% peak-season surcharge from Oct 4 as FedEx, UPS set Q4 fees

Summary

The U.S. Postal Service will apply a 6% temporary peak-season surcharge from 4 October 2026 through 17 January 2027 across Priority Mail, USPS Ground Advantage and Parcel Select, with retail increases from $0.50 to $20.80 per piece. Combined with FedEx and UPS demand-surcharge programmes, end-of-year last-mile costs for e-commerce importers will rise broadly.