Money-order verification sites can be found here ... If fraud is suspected, USPS advises the public to call the U.S. Postal Inspection Service at 1-877-876-2455. For those who received a money ...

Every money order includes a serial number for verification. For Postal Service money orders, visit this webpage to learn more about how to spot a fake. What to do if a money order is lost or ...

USPS. Use the USPS Money Orders Application to check the status of a money order using the serial number, post office number and dollar amount. You can’t stop payment on postal money orders ...

You will need to provide details of the check to the issuer and ... noting that the U.S. Postal Service doesn't allow stop payments on money orders. "Keep in mind there might be a fee for this ...