The Mail Box Store is always looking for ways to help our customers save money. The Mail Box Store coupons are a great way to make your visit more valuable and we’re constantly changing and updating our coupons, so check back regularly to find other fantastic savings on Digital Fingerprinting, Digital Mailbox Rental, Notary Public, U-Haul Rental, Mailbox Rental, DHL Shipping, FedEx Shipping, UPS Authorized Shipper Outlet, Packaging Supplies, Professional Packing and more!.