Rite Aid 601 Chelsea Rd Perryman, MD 21130 Phone : (410) 297-6000 Harford County Sewage Plant 1212 Chelsea Rd Perryman, MD 21130 Phone : (410) 273-5617 Security Guards Inc 504 Advantage Ave Perryman, MD 21130 Phone : (410) 272-7361 Automated Postal Center - Perryman 428 Michaelsville Rd Perryman, MD 21130 Phone : (410) 272-5712 St Georges Episcopal Church Perryman Rd Perryman, MD 21130 Phone : (410) 272-6622 Post Office - Perryman 428 Michaelsville Rd Perryman, MD 21130 Phone : (410) 272-5712