Postage Rates 2024 Per Ounce. Postal rates per ounce 2024 elena kettie, business reply. The new rates include a five.
See how new and upcoming postage rate changes will affect your shipping, including stamp costs, flat rates, and more. The postal regulatory commission (prc) has approved the next usps postage rate increases, which will take effect on sunday, july 14, 2024.