US Post Office 166a Boston Tpke, Shrewsbury, MA01545 This is a satellite office of the Shrewsbury Post Office. The postmaster is not on site. This office can handle all…More regular postal needs including money orders, purchase of stamps and post office boxes. It can handle all your mailing needs including priority, registered mail, insured mail, express or overnight mail, as well as mail needing confirmation. It has a good selection of mailing materials and a small area of PO Boxes. Limited parking is available in front of building.