

If that description isn’t a mouthful already, you should see the incredibly confusing and just plain frustrating wordage they use on the official USPS website in order to describe these boxes.

If you’ve ever shipped anything that was sold online from sites like Ebay or Etsy, or if you’ve had to ship anything in general, you probably have seen the option for “USPS Priority Mail Regional Rate Boxes” offered by the United States Postal Service. The guide below has been left unchanged for historical reference. For the official announcement, please read the USPS notice here. You can still use the boxes themselves, but they will be processed as weight and rate packages according to current USPS pricing rules. This means you will no longer be able to take advantage of regional rates.

Update: As of January 2023, USPS has discontinued Regional Rate boxes. How to Calculate a Regional Flat Rate Box Price.
