USPS - New rates & surcharges. Click on the links for additional information. Additional 0.25 USD to 5.00 USD. Effective October 3, 2021 to December 26, 2021 Effective October 1, existing one-day to three-day service standards will change to one to five days for first-class mail. For other impacts to USPS delivery guarantees, refer to USPS updates.
