Compare USPS mail services by starting retail prices, delivery speed, and more. Most services automatically include USPS Tracking ® (except First-Class Mail ® service), and you can add …

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

What's the Date you plan to mail the item? What's the Time you plan to mail the item?

Shape, weight, and size affect the price for large packages. If you have a large, lightweight package, instead of paying the normal postage price, you may be charged the balloon price, …

Packages greater than 15.999 oz are charged by the pound up to 70 lbs (rounded up). Pay for postage using stamps, a self-service kiosk, Click-N-Ship, or at a Post Office. Includes …

Priority Mail, including Priority Mail Flat Rate shipping products, has fast shipping times (2-3 days) with flexible prices. Get free flat rate boxes and print postage labels online.

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What's the Date you plan to mail the item? What's the Time you plan to mail the item?

Length is the longest side of the parcel. Girth is the measurement around the thickest part of the parcel. Length plus girth cannot exceed 108 inches. First-Class Package International Service …

Some parcels may be subject to specialized prices. USPS Retail Ground packages that are large but very light (less than 20 pounds) are charged the postage for a 20 pound package.