Super Postal Center is always looking for ways to help our customers save money. Super Postal 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, Fax Services, Notary Public, Passport Photos, Digital Fingerprinting, Greeting Cards, UPS Shipping, FedEx Shipping, US Postal Service, Professional Packing and more!.