Definition
A box number typically refers to a private mailbox at a commercial mail receiving agency (CMRA). It's like renting a personal mailbox at a UPS Store or similar business. 📦 It provides a more secure and professional-looking mailing address than a PO Box. A box number often includes a street address followed by "#" and a number. This creates a street address format, which some services require. It offers privacy and can be used for business or personal mail.