Get USPS PS 6401 2004-2021

If you used a USPS money order, you need to visit a post office and fill out PS Form 6401, the Money Order Inquiry. 5 To complete that form, you need the receipt from your original purchase showing the money order number, amount, and information about the post office you purchased from.

Customers may file a money order inquiry at any time after purchasing the money order. For a domestic money order inquiry it may take up to 60 days to receive information.

This service is free. Another free and quick way to trace your money order is by phone. Call USPS at 1-866-974-2733. Select "Customer" option, then "Money Order Inquiry," and enter the serial number.

Visit your local post office and request PS Form 6401, Money Order Inquiry. The form requires such information as your name and contact details, money order serial number and amount, and your signature. ... The USPS will mail you a refund if the money order has not been cashed, and a copy of the cashed item if it was.

Take your money order receipt to any Post Office location. Talk to a retail associate at the counter to start a Money Order Inquiry. After starting the inquiry, you will be able to check the status of your money order and inquiry progress by visiting the Money Orders Application.

You can find out if your money order has been cashed online by clicking Money Order Status or by calling our automated line at 1-800-542-3590. You will need to enter your money order number and the exact dollar amount of your money order.

Customers wanting to find out if a money order has been cashed may go online to USPS.com to check the status. They will need to enter the money order serial number, Post Office number, and issued amount all printed on the money order receipt in order to obtain near real-time status information.