Horizontal 911 Address Signs - Size vs Character Chart
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Dimensions (W x H) Character Sizes Allowed 3" Max. Characters Allowed 4" Max. Characters Allowed 5" Max. Characters Allowed 6" Max. Characters Allowed Illustration Recommended Mounting 12 x 6" 3", 4", 5" 7 5 4 ——— 
w/ 4″ CharactersMailbox, Stake, 4ft. U-channel Post 18 x 6" 3", 4", 5" 10 8 6 ——— 
w/ 4″ CharactersMailbox, 4ft. & 6ft. U-channel Post 24 x 6" 3", 4", 5" 14 10 9 ——— 
w/ 4″ CharactersMailbox, 4ft. & 6ft. U-channel Post 30 x 6" 3", 4", 5" 18 11 8 ——— 
w/ 4″ CharactersMailbox, 4ft. & 6ft. U-channel Post 36 x 6" 3", 4", 5" 21 13 10 ——— 
w/ 4″ CharactersMailbox, 4ft. & 6ft. U-channel Post 18 x 9" 5", 6" ——— ——— 7 6 
w/ 5″ CharactersMailbox, 4ft. & 6ft. U-channel Post 24 x 9" 5", 6" ——— ——— 9 7 
w/ 5″ CharactersMailbox, 4ft. & 6ft. U-channel Post 30 x 9" 5", 6" ——— ——— 11 9 
w/ 5″ CharactersMailbox, 4ft. & 6ft. U-channel Post
