Priority Mail

Priority Mail Shipping Boxes

1-3 Business Days1

Get more for your money with fast domestic service in 1, 2, or 3 business days1 based on where your package starts and where it’s being sent. Plus, discounts off retail prices may be available when you buy the service online. Beginning at $5.05 online and $5.75 at Post Office™ locations.


Flat Rate Pricing2

No weighing or calculating needed up to 70 lbs. Flat Rate offers one rate to any state.

Ship Now Priority Mail Express

Features

  • Free Package Pickup3 service at your home or office
  • Includes USPS Tracking® when you ship online and at retail4
  • Delivery in 1 to 3 business days.
  • Includes up to $50 of insurance5 with most shipments6 (restrictions apply)
  • No surcharges for fuel or residential, rural, and regular Saturday7 delivery
  • Flat Rate, regional, and prepaid pricing (retail only) available

See Insurance and Extra Services Details

Pricing

Except for Priority Mail Flat Rate® supplies, Priority Mail® prices are based on weight and zone. And with Prepaid Forever® Priority Mail Flat Rate you get the same Flat Rate pricing with the added convenience of Forever postage.

Calculate expected domestic shipping costs for domestic shipments using the Price Calculators.
Calculate a Price

Additional Pricing Information

See Pricing Files
Calculate Volume Prices
Price List (Retail)
Price List (Online/Commercial Base)

Free Supplies8 Shipping Price Dimensions Great for...
Flat Rate Envelope $5.05 online (commercial base)

$5.75 Post Office (retail)
12 1/2" x 9 1/2" Letters
Documents
Manuscripts
Gift Card Flat Rate Envelope $5.05 online (commercial base)

$5.75 at Post Office (retail)
10" x 7" Oversized
Greeting
Cards
Gift Cards
Window Flat Rate Envelope $5.05 online (commercial base)

$5.75 at Post Office (retail)
10" x 5" Pre-addressed
Envelopes
Small Flat Rate Envelope $5.05 online (commercial base)

$5.75 at Post Office (retail)
10" x 6" Small
Documents
Passports
Padded Flat Rate Envelope $5.05 online (commercial base)

$6.10 at Post Office (retail)
12 1/2" x 9 1/2" Clothing
Books
Boxed Jewelry
Legal Flat Rate Envelope $5.25 online (commercial base)

$5.90 at Post Office (retail)
15" x 9 1/2" Legal
Documents
Small Flat Rate Box $5.25 online (commercial base)

$5.95 at Post Office (retail)
Outside:
8 11/16" x 5 7/16" x 1 3/4"
Inside:
8 5/8" x 5 3/8" x 1 5/8"
Brochures
Small
Electronics
Medium Flat Rate Box — 1
(top-loading)
$11.30 online (commercial base)

$12.65 at Post Office (retail)
Outside:
11 1/4" x 8 3/4" x 6"
Inside:
11" x 8 1/2" x 5 1/2"
Office
Supplies
Shoes
Medium Flat Rate Box — 2
(side-loading)
$11.30 online (commercial base)

$12.65 at Post Office (retail)
Outside:
14" x 12" x 3 1/2"
Inside:
13 5/8" x 11 7/8" x 3 3/8"
Office
Supplies
Shoes
Large Flat Rate Box $15.80 online (commercial base)

$17.90 at Post Office (retail)
Outside:
12 1/4" x 12 1/4" x 6"
Inside:
12" x 12" x 5 1/2"
Laptop
Computers
Gifts
etc.
APO/FPO/DPO Flat Rate Box $13.80 online (commercial base)

$15.90 at Post Office (retail)
Outside:
12 1/4" x 12 1/4" x 6"
Inside:
12" x 12" x 5 1/2"
Sending Gifts
to the troops
Large Flat Rate Board Game Box $15.80 online (commercial base)

$17.90 at Post Office (retail)
Outside:
24 1/16" x 11 7/8" x 3 1/8"
Inside:
23 11/16" x 11 3/4" x 3"
Board Games
Prepaid Forever® Priority Mail
Flat Rate® Packaging
$5.05 online (commercial base)

$5.75 at Post Office (retail)
Various sizes
available
Various
options

Priority Mail Regional Rate®

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 are best used for small, dense packages being shipped short distances.

Learn More

Priority Mail Open & Distribute®

Expedite the transportation of your bulk mailings with Priority Mail Open & Distribute. We use regular Priority Mail distance-based prices to quickly move your mailings at a reasonable cost. And with a special bar-coded label, you can track your shipment.

Learn More

Restrictions

Maximum weight is 70 lbs.

Maximum combined length and girth (girth is the distance around the thickest part) is 108".

When sealing a Flat Rate Envelope or Box, the container flaps must be able to close within the normal folds.

About Preparing Your Shipment

 

There are specific regulations and standards for mailing restricted, prohibited, and hazardous materials, including cigarettes and smokeless tobacco.

See All Restrictions

Packages shipped to a Military Post Office (APO/FPO/DPO) pay domestic prices, but require a customs form and have specific restrictions. In some cases, a Military Post Office may not be able to accept Priority Mail Express® packages.

Shipping to an APO/FPO/DPO Address

Disclaimers