Effective 3 April (Sunday), USPS will begin surcharging for packages over certain
dimensions. See Notice 123 and the footnotes for the exact trigger measurements.
Two cubic feet and up is now surcharged.
USPS is moving to a twice a year general rate change schedule. Rates were not
changed in January 2022, but are expected to be revised in July 2022 and every
January / July thereafter.