Where To Buy Flat Rate Boxes Apr 2026

: You cannot use your own box and claim the flat rate price; you must use the branded USPS Flat Rate container.

: You cannot turn the boxes inside out or alter their shape. The box must close normally without bulging or using excessive tape to force it shut. where to buy flat rate boxes

: Local franchises like PostNet or Mail Boxes Etc. frequently keep flat rate boxes in stock for customer use. : You cannot use your own box and

You can obtain official USPS flat rate packaging through these official channels: where to buy flat rate boxes