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.

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.

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.

Cost of First-Class™ Stamps Letter Stamps Standard-sized, rectangular envelopes From $0.78 Square, Oversized, or Unusual Envelopes From $1.27 Postcard Stamps Standard-sized, rectangular …

First-Class Mail International is our most affordable option for sending postcards, letters, and flats (large envelopes) to about 180 countries. Send 1 oz. letters or postcards around the world with one Global …

First-Class Mail International is a fast, low-cost way to ship lightweight packages and letters internationally. USPS sends mail to over 180 countries, including Canada and Australia. See delivery …

Learn how to properly address a postcard with USPS guidelines, including formatting tips and examples for accurate mail delivery.

First-Class Mail International® offers affordable international shipping for lightweight packages and letters to over 180 countries with various delivery options.

Send packages directly from your home (or office), using Click-N-Ship ® to do everything you need: Pay for postage, print shipping labels, and even Schedule a Pickup.

USPS free tools, resources, and sample packs show how to target your direct mail marketing campaigns. From postcards to enhanced marketing pieces, direct mail can engage your potential …