Many grocery stores and check cashing establishments will cash a postal money order for a small fee. Postal money orders may also be cashed by bringing them into any post office; they do not charge a fee for this service. You will need valid photo identification such as a driver?s license or state issued identification card to cash your money order. To avoid any complications cashing your
. postal money order, wait to sign the money order in the presence of the post office employee. Alternatively, postal money orders may be cashed against, or deposited into your bank account.