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.

Aug 26, 2025 · USPS envelope addressing format (2025) with a clear example. Where to put the return address, recipient address, and stamp—plus ZIP+4 tips.

Aug 26, 2025 · To address or label an envelope, first write the return address on the front top left corner by including your name, your street address, and your city, state, and zip code.

This is how you write the recipient’s address on an envelope when the recipient just has a basic residential address. We’ll talk more about how to write more complicated addresses (like apartment …

Feb 16, 2025 · Proper etiquette for a variety of address types. Have you ever put a check or card in an envelope, then flipped it over and realized you’re not 100 percent sure what you need to write on the...

Jun 4, 2025 · It’s not complicated, but there are a few things that trip people up: where to put the apartment number, how to format a name with a title, what to do when you're mailing to someone …

Learn how to address an envelope correctly with our step-by-step guide. Discover how to write and mail a letter with ease and confidence.