Since you can't buy them online, here is the standard process for getting one at the Post Office:
: Use the USPS Locator to find your nearest office. buy postal money order online
: Bring cash or a debit card; credit cards and personal checks are not accepted. Since you can't buy them online, here is
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 Since you can't buy them online
: This is your only proof of purchase and is required to track or replace a lost order. Online Alternatives
: You can buy domestic money orders for any amount up to $1,000.