1. Metro by T-Mobile 9125 Riggs Rd, Adelphi, MD 20783 Coordinate: 39.00466,-76.97056 Phone: (240) 641-5034
2. PCS Metro 9125 Riggs Rd, Adelphi, MD 20783 Coordinate: 39.00467,-76.97047 Phone: (240) 839-7999