
Automated mail-processing machines read addresses on mailpieces from the bottom up and will look first for a city, state and ZIP Code. Include anything below the ZIP Code line.Print addresses in all capital letters if possible.Double-check each ZIP Code using the USPS ® ZIP Code lookup tool.
If the address includes a directional-for instance, “NW” for northwest-be sure to use it. Use a PO Box™ address or street address-but not both. Use black ink on white or light-colored paper. Leave one space between the city and state and two spaces between the state and ZIP Code™. Left-justify every line of the address. Use at least 10-point type, and keep in mind that simple fonts are preferred. Here are some simple dos and don’ts to help ensure your mail reaches its destination. Automated mail-processing machines will be reading your addresses, and they don’t leave much room for error. That’s why it’s so important to avoid address mistakes. You invest a lot of time and money in your direct mail campaigns. Accept Skip to content search close menu close For more information on the Postal Service’s cookie policies and how the Postal Service uses cookies to improve your experience on and its affiliated websites, including, please see our Privacy Policy.
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