Check Digit: United States Postal Money Order
 Please insert the first 10 digits of the 11-digit number to get the check digit (11th
 digit). Or you can enter 11 digits, and the last digit will be compared with the
 calculated check digit for the first 10 digits.
 Enter the number here:

Click on to submit the number.

Click on to clear the field.

 

 Check Digit: American Express Travellers Cheque
 Please insert the first 9 digits of the 10-digit number to get the check digit (10th
 digit). Or you can enter 10 digits, and the last digit will be compared with the
 calculated check digit for the first 9 digits.
 Enter the number here:

Click on to submit the number.

Click on to clear the field.