Created with Sketch.
Top Shipping Guides
International Shipping for Beginners: The Basics
Choosing the Right Shipping Carrier
How Can I Save Money on Shipping?
Recent Shipping Guides
Why Is Priority Mail Cheaper Than Priority Mail Cubic Sometimes?
The Cheapest Way to Ship Cookies and Baked Goods
How to Ship to Federal Prisons in the United States
Browse all guides
Is It Legal to Ship Ammo With USPS?
Can I Use a Different Service for USPS Return Labels?
Can I Get a Priority Mail Express International Refund?
Can I Buy Shipping Labels for Multiple Addresses?
Can I Cut Down USPS Boxes to Get Cheaper Rates?
Can I Ship Fire Extinguishers With USPS?
How Much Does Special Handling Cost?
What Should I Charge for Shipping?
Does USPS Ship to Every Country in the World?
Browse all questions
What Do I Do if USPS Lost My Package?
If you believe that USPS lost your package after waiting 7 days or more, you can file a missing mail search request and potentially file an insurance claim.
What are the USPS Maximum Weight Limits?
Check out our list of the USPS maximum weight limits for each domestic mail class, including First Class Package Service, Priority Mail, and Retail Ground.
Do I Need Customs Forms to Ship to Military Addresses?
No matter if you use shipping software or ship at the Post Office, USPS requires you to fill out customs forms when shipping to and from military addresses.
Does USPS Insurance Cover the Cost of Postage?
Your USPS insurance will cover your postage as well as the value of the contents in your package, as long as your claim doesn't exceed the maximum coverage.
Can I Use Package Services to Send Flats with USPS?
You are unable to ship flats with USPS in order to obtain a tracking number, since USPS treats flats as envelopes that can only be sent through the mail.
What Are the Days USPS Does Not Deliver?
USPS does not deliver regular mail on Sundays, and on the ten federal holidays such as New Year's Day, Memorial Day, Columbus Day, Christmas Day and more.
Can I Ship Lighters with USPS?
You can ship lighters with USPS as long as you obtain prior written approval first. You'll also be restricted to using ground transportation services only.
How to Ship Meat and Perishables with USPS
The best way to ship meat and perishables with USPS is to ship them Priority Mail Express, and to make sure you include sufficient cooling packing material.
The Proposed USPS 2020 Rate Increases
See the proposed 2020 USPS rate increase for each mail class that will go into effect on January 26, 2020 if the Postal Regulatory Commission approves them.
Does USPS Track Every Package and Envelope?
All USPS services come with free tracking included, and each package and envelope sent with USPS has a unique tracking number printed on the shipping label.
How Do I Ship the Scotch Flex and Seal Shipping Roll?
Have you ever heard of the Scotch Flex and Seal Shipping Roll? If you haven’t, you could be missing out on one of the coolest packaging innovations in recent memory...
How Do I File a USPS Insurance Claim?
If you shipped your package with any of the USPS Priority Mail services, it includes built-in USPS insurance. Learn how to file a USPS insurance claim here.