With mailbox services at The UPS Store, you get a real street address, not a P.O. Box. If you’re a business owner, having a real street address for your business mailbox can provide you with a professional image for your business, and legitimacy with search engines. The UPS Store also offers many additional services for mailbox services customers, like package acceptance from all carriers, package notification and Call-in MailCheck — all aimed to save you valuable time.