Are Amazon, UPS, Others Prepared for USPS' Proposed Price Hike? - Zacks On Oct 11, U.S. Postal Service (USPS) proposed a price increase for its parcel select service. The proposed price hikes will be going into effect in January 2019 if approved by the Postal Regulatory Service. USPS’ parcel select service is used by Amazon.com, Inc. (AMZN - Free Report) and the likes of FedEx Corporation (FDX - Free Report) and United Parcel Service, Inc., the last and unarguably the most expensive step in the shipping process. In fact, President Donald Trump has had earlier criticized the e-commerce giant by saying that the USPS is losing billions of dollars every year by charging Amazon and others too little to deliver their packages.