: Use the USPS Locator to find your nearest office.
Since you can't buy them online, here is the standard process for getting one at the Post Office: buy postal money order online
If you need to send money digitally without visiting a physical location, consider these online-only services: Sending Money Orders - USPS : Use the USPS Locator to find your nearest office
You cannot buy a physical USPS postal money order online. You must purchase them in person at a Post Office location using cash or a debit card. How to Get a Money Order buy postal money order online
: Write the recipient's name immediately to prevent anyone else from cashing it if it's lost.