While USPS is the direct provider, you may find boxes at other retailers, though some may charge a nominal fee or require specific service usage:
: You cannot use your own box and claim the flat rate price; you must use the branded USPS Flat Rate container. where to buy flat rate boxes
: Flat rate boxes are intended for a single shipment and cannot be reused for subsequent mailings. While USPS is the direct provider, you may
: You can call the USPS Package Supply Center at 1-800-610-8734 to request free supplies by phone. Alternative and Retail Options Alternative and Retail Options : You can order
: You can order boxes in bulk (typically packs of 10 or 25) directly from the USPS Postal Store . They are shipped to your home or business at no cost, usually arriving within 2–5 business days.
: You can find listings for USPS boxes on Amazon , eBay, and Walmart . However, be cautious: these sellers often charge for the boxes or ship them for a fee, whereas they are completely free through USPS. Critical Usage Rules