USPS Fees For Incorrect Dimensions
From Sunday, April 3, 2022 USPS will start applying surcharges to shipments with the incorrect package sizes.
A fee of $1.50 will be applied to any packages when manifested dimensions are either incorrect or are not provided and the captured dimensions (length, width, height) have a length greater than 22 inches or volume greater than one cubic foot.
For more information on USPS Dimensional Noncompliance Fee please visit the USPS website.