Us Postage Rates 2024 Chart. The postal regulatory commission (prc) has approved the next usps postage rate increases, which will take effect on sunday, july 14, 2024. See how new and upcoming postage rate changes will affect your shipping, including stamp costs, flat rates, and more.

See how new and upcoming postage rate changes will affect your shipping, including stamp costs, flat rates, and more. The price changes will take effect on january 21, 2024.