
Both services offer FREE delivery confirmation and are approximately the same size. The boxes must be ordered from the website or by calling 1-80.įor example, a package to Ohio from Florida weighing 15 pounds or less in a regional rate A box would cost $7.83 for postage as compared to $10.50 for a medium flat rate Priority box. The Priority Mail Regional Flat Rate Box can not exceed the maximum weight limit and cannot be taken to a USPS Post Office for acceptance. Priority Mail Regional Flat Rate Boxes must not exceed the maximum weight requirements. The USPS-produced Priority Mail Regional Flat Rate Box must be used to qualify for Regional Rate Box prices. Specific size information for these boxes is available on or by calling 80.


Regional Flat Rate Boxes are best utilized for small, dense packages being shipped short distances that need to arrive in 2-3 days. This service combines the speed and convenience with pricing depending on the delivery destination zip code.

Priority Mail Regional Flat Rate Boxes are a low-cost shipping alternative for either Priority Mail or Merchandise Return Service. Postal Service has introduced new Regional Flat Rate Priority Mail Boxes for shippers who print their postage and shipping labels online, either from the click n ship program or from a PC postage vendor such as, , etc.
