First Class Postage Rates 2024 Per Ounce. Here's how much usps rates increased on july 14, 2024 usps has increased postage rates effective july 14, 2024. Postal service filed notice with the postal regulatory commission of mailing services price changes to take effect july 14,.

Washington, dc — today, the united states postal service filed notice with the postal regulatory commission (prc) of mailing services price changes to take. Let us look at the postage you will have to pay for letters over one ounce with.