United States Postal Service 8 S Main St, Marlboro, NJ07746 Located in Marlboro Mall where the Hot Wok and Chips Hair Salon are also located, this community's postal office handles…More all stamped and packaged mail. First-class, parcel post and priority mail are some of its shipping services, and a selection of flat rate boxes are free. Retail items include specialty print boxes, bubble envelopes and stamps. Its lobby and post office boxes are available only during its specific listed hours. This location does not have an automated postage center.