You may think of your street address as mostly useful for the mailman, but first responders use it to locate you in a crisis.
It is recommended that those living on a country road mark their mailbox with numbers of contrasting colors and be visible from up to 50 feet away, reflective numbers are ideal. If your numbers are on the house it is best to purchase numbers that are a minimum of 3 inches high, in a contrasting color to the house and clearly visible from the road. Check that nothing blocks the numbers, and put an additional number on a structure or a sign post if your house is set back from the road.
In the case of an emergency every second counts.