What size package will USPS ship? Stores & Services 29 April 2022 The maximum size for most mailpieces is 108 inches in combined length and girth. USPS Retail Ground pieces may measure…
Does USPS ship based on weight? Stores & Services 11 April 2022 USPS shipping costs are calculated based on weight and distance traveled. Packages weighing less than one pound start at $2.74…
