Priority Mail Regional Rate


With free shipping supplies that can only be ordered online, Priority Mail Regional Rate® is a low-cost shipping alternative for commercial and online customers currently using either Priority Mail or Merchandise Return Service. With more than one size to choose from, Priority Mail Regional Rate Boxes® combine the speed and convenience of Priority Mail shipping with zone pricing to reduce costs. Regional Rate Boxes are best used for small, dense packages being shipped short distances that need to arrive in 1, 2, or 3 business days1. Also get Package Pickup2 at your home or business, USPS Tracking™, and limited insurance coverage against loss or damage, at no additional charge.

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  • Includes up to $50 in insurance coverage for mailpieces with barcodes3
  • Delivery within 1, 2, or 3 business days1 based on where your package started and where it’s being sent
  • Free Package Pickup2
  • Includes USPS Tracking
  • Saturday delivery and residential delivery at no extra charge4
  • Zone pricing keeps costs low

Learn about Priority Mail Flat Rate® Boxes and Envelopes ›

Downloadable Pricing File
Priority Mail Regional Rate 

Compare other USPS® mailing and shipping services ›


1 Based on origin and destination. Expected delivery day printed on receipt or provided at checkout.
2 For details on free Package Pickup, go to
3 Some restrictions apply. Visit for details.
4 Except if Saturday is a national holiday. Priority Mail Express™ service may be available for an added charge.

Pricing Based on Box Size & Destination Zone
USPS®-produced packaging is required for Priority Mail Regional Rate® shipping.
Also see our price calculator ›


(length x width x height)

Weight Limit

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A1 – Top Loading

10 1/8” x 7 1/8" x 5"
10" x 7" x 4 3/4”

15 lbs

A2 – Side Loading

13 1/16” x 11 1/16” x 2 1/2”
12 13/16” x 10 15/16” x 2 3/8”

15 lbs

B1 – Top Loading

12 1/4” x 10 1/2” x 5 1/2"
12" x 10 1/4” x 5"

20 lbs

B2 – Side Loading

16 1/4” x 14 1/2” x 3”
15 7/8” x 14 3/8” x 2 7/8”

20 lbs

C – Top Loading

15” x 12” x 12”
14 3/4" x 11 3/4" x 11 1/2"

25 lbs

See Postal Zone Charts for exact zone information ›

Additional $0.75 if postage is paid at Retail

Addressing Tips. Make sure it gets there by addressing your shipment properly. Go. Image of mailing envelope and shipping box.Can You Ship It? Find out everything you need to know before shipping a package. Go. Image of a lamp on top of a shipping box.Calculate the Weight. Shop for scales. Image of USPS branded postage scale.