Usps Rates 2025 Packages 2025. You can send up to 4 lbs using. Postal service filed notice with the postal regulatory commission of mailing services price changes to take effect july 14, 2025.
However, usps will increase merchant discount prices for usps ground advantage and priority mail® services on july 1, 2025. Usps ground advantage™ service is an affordable and reliable way to send packages inside the u.s.