Usps Rates 2024 Per Ounce. Usps ground advantage prices would increase by 5.4 percent, priority mail service prices would. Explore the usps postage rate shifts for postcards, flats, and letter sizes in 2024, and optimize your mailing.
For certain services, discounted pricing is available for customers who purchase from online pc. Usps provides reliable and affordable international delivery to about 180 countries through priority mail international.
