See the websites below that can provide you with the signs that comply with the following National Fire Protection Association Fire Code:

NFPA 1 Fire Code 2018: New and existing buildings shall have approved address numbers placed in a position to be plainly legible and visible from the street or road fronting the property. Address numbers shall be a minimum of 4 inches (100 mm) high with a minimum stroke width of 1/2 inches (13 mm)..

https://safetyhomeaddress.com/shop/

https://www.safetysign.com/911-address-signs

https://www.hallsigns.com/