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.

Sometimes it's not important that your mailpiece reaches a specific customer, just that it reaches an address. One way to do this is to use a generic title such as "Postal Customer" or …

However, carriers are not required to check mailboxes for outgoing mail that do not have flags up if they do not have deliveries for that address that day. Outgoing mail may be handed to the …

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

Publication 28 - Postal Addressing Standards October 2024 PSN 7610-03-000-3688 Transmittal Letter 1 Introduction 11 Background 12 Overview 13 Address Information Systems Products …

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 …

Mail Service Alerts and Updates How to find information on suspensions and limitations of mailing and shipping services. This includes Priority Mail Express® embargoes and quarantines.

This addressing format applies to any item you mail. (Shows an example return and mailing address written on a large manila envelope.) Use the same addressing format for the return …

This document describes both standardized address formats and content — format describes how the various elements appear on a mailpiece or in an address record, and content describes …

Find tips for addressing mail properly to ensure timely and accurate delivery by USPS.