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.

With USPS Marketing Mail, there is a little more flexibility -- there is no separate (lower) price for postcards, so you don't have to worry about your postcard being too big -- because you're paying …

Shop our selection of Postcards Cards & Envelopes products on the USPS.com Postal Store

Shop our selection of Stamped Cards, Postcards Cards & Envelopes products on the USPS.com Postal Store

Select from hundreds of designs for any occasion or create your own. Simply upload your photos, add your addresses, and press send. We’ll print, stuff, address, stamp, and mail your cards the next …

Postcards The Appalachian Trail Oversized Postcards Set of 15 | Stamps Included $27.95

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 …

Filter for products by a variety of themes, including Nature, History, Children and more. Filter for stamps by the value of the stamp, from 1¢ additional postage to Priority Mail Express Stamps. Browse …

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

USPS postage rates offer low-cost mailing and shipping prices for domestic & international customers. See Forever postage stamp prices and other postage rates.