In an emergency, minutes, even seconds, can count. Police officers, firefighters, and paramedics can be delayed in reaching you if they have difficulty finding your home. The South Lake Minnetonka Police Department recommends that you display large, easy-to-read address numbers on your house. They should be at least 6 inches in height, in a color that contrasts the background. They should be clearly visible from the street. If your mailbox is located near the street, numbers should be displayed on the mailbox as well.