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.

Letters, bills, greeting cards, and other documents can be sent in standard white, manila, or recycled paper envelopes. Items needing extra protection can be sent in bubble-lined, padded paper, or …

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.

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.

Mail will only be forwarded to your new address, if you submit a Change of Address with the USPS. You can make the Change of Address process faster and easier by notifying everyone who sends you …

Mailers must enter the name and complete address of the person or firm to whom the mail is addressed...Information on Certified Mail®, refund eligibility and how to use the service.

Postal Addressing Standards for Puerto Rico and US Virgin Island (English)

213.2 Pound Sign (#) If the pound sign (#) is used, there must be a space between the pound sign and the secondary number. Note: Use of the pound sign might be prohibited when using a Commercial …

Let's start with the recipient's address. (Shows a Priority Mail envelope.) This is the central most important step, which should help you remember: The recipient's address goes in the center. When …

(If it's improperly addressed, it might get returned to you). Return Address Print or type your address in the upper-left corner on the front of the envelope. Delivery Address Print or type clearly the delivery …