Usps Rates 2024 Packages And. Explore the usps postage rate shifts for postcards, flats, and letter sizes in 2024, and optimize your. Find out how usps is adjusting rates for priority mail and ground advantage in september 2024 and implementing a new technology standard called intelligent mail indicia.
The price changes include usps ground advantage,. Usps told its regulator, the postal regulatory commission, in a filing on.