Usps Rates 2024 Calculator Excel. Starting september 16, 2024, usps will update its new shipping rates for over 17,000+ zip codes due to their market demands. Postage rates for zoned mail are based on.

Learn about the 2024 postage price change for usps services and products, and how it affects domestic and international mail. To put it simply, usps ground advantage prices will increase by 5.4%, priority mail.