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 …

Step 2: Address the envelope: On the bottom center of the envelope, write the address you want your letter delivered to. Start by writing the recipient's name; on the next line, write their street …

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.

Find guidelines for addressing mailpieces, ensuring proper delivery and compliance with USPS standards.

Find examples of how to properly format different types of addresses on USPS.com FAQs.

(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 …

5-3 Dimensions and Shape Standards for Automation-compatible Enveloped Letters Containing Disc 5-4 Dimensions and Shape Standards for Automation-compatible (Unenveloped) Disc …

Whether it is mail for holidays or special occasions, or regular letters and packages, these helpful tips may come in handy: Type or neatly write the complete address of the recipient. Use a …

When a First-Class Mail letter is square, rigid or meets one or more of the nonmachinable characteristics it will be subject to a nonmachinable surcharge. Sometimes it's not important …