Shipping Basics

USPS lost my package
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.
USPS maximum weight limits
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.
military addresses require customs forms
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.
USPS Insurance
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.
ship flats with USPS
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.
USPS does not deliver regular mail on Sundays and major holidays
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.
ship lighters with USPS
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.
Ship meat with USPS
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.
2020 USPS rate increases
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?
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.
ship the Scotch Flex and Seal Shipping Roll
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...
File a USPS insurance claim
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.