Priority Mail  
Looking for something fast and affordable? Think Priority Mail®.
Fast, two-day service to most locations for both documents and packages. It’s one of the best values in shipping with competitive, economical prices.

The only two-day service that delivers to mailboxes, mail slots and P.O. Boxes.
Saturday delivery and residential delivery at no extra cost.
Convenient flat-rate boxes and envelopes.
No fuel surcharges.
Save when you print and pay for postage online.

View Priority Mail prices.
 
  Calculate your price
Get the cost of sending Priority Mail with our calculator.
Go to Calculate Postage

  Print a Shipping Label
Pay and print postage online.
Go to Print a Shipping Label


 
Flat Rate Shipping
Simplify your shipping with flat-rate boxes and envelopes.

Options
Priority Mail Flat Rate Envelopes can be used for both domestic and international shipping. Envelopes are 12-1/2" X 9-1/2".

Flat Rate Boxes are available in multiple sizes and shapes.

8-5/8" x 5-3/8" x 1-5/8" - Our "video box," one of our most popular sizes, now at a flat rate!
11" x 8-1/2" x 5-1/2" - Perfect for shipping a pair of shoes.
13-5/8" x 11-7/8" x 3-3/8" - Ideal for shipping a shirt or pair of pants.
12-1/4" x 12-1/4" x 6" - Our largest box, about 50 percent larger than the above two Flat Rate Boxes.

The Priority Mail Large Flat Rate Box ships for $2.00 less when sent to an overseas APO or FPO address. Price is based on qualifying ZIP Code.

A military-branded Priority Mail APO/FPO Flat Rate Box is available and can be ordered online.


Restrictions
Contents must reasonably fit within the Priority Mail packaging, and weigh less than 70 pounds.

Supplies
Get free Priority Mail shipping supplies online.

Extra Services
Extra services like Delivery Delivery Confirmation, Signature Confirmation, insurance, and other services are available for all Priority Mail shipping. Find out more.