Usps 2025 Rate Chart. Usps rates 2025 per ounce carma cristal, priority mail express flat rate lets you ship packages up to 70 lbs to any state at the same price. Postal service mailing and shipping classes, effective july 14, 2025.

Postal service filed notice with the postal regulatory commission of mailing services price changes to take effect july 14,. The united states postal service has posted updated 2025 rate changes.