The Priority Mail Regional Rate Box® - A1 is a low-cost shipping alternative for commercial and online customers who are currently using Priority Mail® or Merchandise Return Service. With more than one size to choose from, the boxes combine the speed and convenience of Priority Mail® shipping with zone pricing to reduce costs. Regional Rate Boxes A and B are best used for small, dense packages being shipped short distances.
Please Note: This product ships in packs of 10 or 25. An order of 1 equals 10 or 25 boxes depending on your selection under Format.
Each Priority Mail and Priority Mail Express shipment includes USPS Tracking®.
Note: When shipping packages, size and weight restrictions may apply and additional shipping rates may be required.
For the optimal postage and fees for your package deliveries, please access our new "How To Measure" video for tips on how to measure a package using Dimensional Weight and Cubic Volume.
The Postal Store® ships all in-stock orders with USPS Tracking™. Please allow 3-5 business days for in-stock items to be shipped with Default Shipping, or 1-2 business days for in-stock orders to be shipped with Priority Mail Express® service.
To view your order status and tracking information, sign in to your USPS.com® account, go to "Activity History", and select your Order#.
Orders from the Postal Store may be shipped from different distribution centers. If your order contains multiple items, they may be shipped separately.
Free Shipping Supplies Free shipping supplies are shipped with Parcel Select Ground® service within 2–8 business days. For your convenience, all orders will include a “Leave if No Response” release. This will allow your carrier to leave your order if you are not available.
Expedited Shipping Supplies Your local Post Office™ facility fulfills orders of Flat Rate Expedited Shipping Supplies. If your local Post Office cannot fulfill your order within 1–2 business days, our distribution center will fulfill your order within 2–8 business days.