First-Class Mail is a fast, low-cost way to send envelopes and postcards. See First-Class Mail and Forever stamp prices for a letter and postcard.

USPS shows you how to send a letter or postcard in the U.S., from choosing an envelope, writing the address, buying and applying stamps, and finding a drop-off location.

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 …

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

Many mailers fold sheets of paper to form letter-size pieces or newsletters. Folded pieces, or folded self-mailers, can save time and money because you're not paying for or stuffing …

To have the Postal Service hold your mail up to 30 days, visit www.usps.com, call 1·800·ASK·USPS, or fill out a “Hold Mail” form at the Post Office. When you return, you can …

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.

Welcome to the U.S. Postal Service For more than 250 years our goal has been to serve all customers, and we will continue to connect people at home and abroad for generations to come.

Learn how to use USPS to send letters from the U.S. to other countries: What you can send, how to write addresses, ways to buy postage, and more.

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