New Usps Rates 2024 Chart. The postal regulatory commission (prc) has approved the next usps postage rate increases, which will take effect on sunday, january 21, 2024. Postal service filed notice with the postal regulatory commission of mailing services price changes to take effect july 14,.

On april 9th the postal service filed for market dominant price changes with the prc (postal regulatory.  — september 2024 rate change.