Send mail and packages with USPS online shipping options. Choose your mail service by delivery speed, cost, and additional services like tracking and insurance. Skip to Main Content

Sizes for Parcels. If your mailpiece isn't a postcard, Letter, or a flat (large envelope), then it's a parcel. You may be surprised to find out that "parcels" are not just big boxes. Many mailers send small parcels in all classes of mail. Parcels offer some of the best value for your postage dollars. Parcel Dimensions

Purchase Priority Mail postage and shipping labels at a Post Office or online. Prices start at $9.35 at a Post Office. (Ship online with Click-N-Ship and get lower Commercial Rates.

Welcome to USPS.com. Track packages, pay and print postage with Click-N-Ship, schedule free package pickups, look up ZIP Codes, calculate postage prices, and find everything you need for sending mail and shipping packages.

Package Quality Noncompliance Fee. The Package Quality Noncompliance Fee (formerly the IMpb Noncompliance Fee) is a fee on packages shipped with the commercial mail classes and USPS Return services listed below.

If a package qualifies for the USPS Delivery Instructions™ service, you can tell USPS where to leave a package at your address, send it to a different address, or send it to your Post Office. Click Change Delivery Instructions on the tracking results page to leave your request.

For some shipping methods, like Media Mail ® service or sending live animals, you must bring your package to a Post Office™ counter. You can get free Priority Mail Express and Priority Mail Boxes and Envelopes ( even shipped to you for free!

Track your USPS packages and get delivery updates.

What It Means: The package has arrived at your Post Office and is being prepared for delivery. The package should arrive today or the next postal business day. What You Can Do: Please sign up to receive text or email tracking updates to follow the package on its journey.

You can check out the starting prices for many of our domestic and international mailing and shipping options below or visit the Postal Explorer ® website to review the full USPS ® Price List. Not sure which mailing service you need?