Liberty Mail Center is always looking for ways to help our customers save money. Liberty Mail Center 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 Mailbox Rental, Notary Public, Professional Packing, Greeting Cards, Document Shredding, Document Scanning, Passport Photos, Direct Mail Marketing, Packaging Supplies and more!.