Whats the biggest box you can ship USPS? Stores & Services 12 July 2022 The maximum size for most mailpieces is 108 inches in combined length and girth. USPS Retail Ground pieces may measure…
What does USPS consider an oversized package? Stores & Services 3 July 2022 Very large USPS Retail Ground or Parcel Select packages (over 108 inches but not more than 130 inches in combined…
