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

Learn how to ship a package with USPS, from choosing the right mail service, packing your box, writing the address, calculating postage, and scheduling a pickup.

Other USPS Sites Business Customer Gateway Postal Inspectors Inspector General Postal Explorer National Postal Museum Resources for Developers PostalPro

View Dimensions Letter Large Envelope Package Large Package Any dimension over 12 inches (30.48 cm)

USPS Transit Time Map View expected delivery times for domestic shipping services based on USPS service standards. Exceptions apply and delivery time is not guaranteed.

Ship globally with USPS. Compare international mailing and shipping rates and delivery times from overnight to 6-10 business days.

Priority Mail Flat Rate ® products let you ship packages up to 70 lbs to any state at the same price. Ship from Post Office ™ locations or online from your home or business.

Priority Mail Express items, including Priority Mail Express Flat Rate shipping products, are delivered in 1-3 days to most U.S. locations. See USPS economical prices, free shipping …

Use Click-N-Ship to ship packages from your home or office. Learn about discounts when using enhanced Click-N-Ship service; order free boxes; print USPS Ground Advantage, Priority Mail, …

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