Postage Rates 2024 Additional Ounce. Learn about the usps rate changes for mailing and shipping services in 2024, including the additional ounce stamps for priority mail and priority mail express. The price change is part of a 7.8 percent hike in mailing services product prices, subject to commission review.
Compare services, save with online shipping, and download price lists and files. 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.